Term
testies with seminiferous tubules function |
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Definition
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Term
collecting ducts function |
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Definition
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Term
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Definition
transport, maturation, and ejaculation |
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Term
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Definition
transport and ejaculation |
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Term
seminal vesicles function |
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Definition
secrete thick liquid to transport sprem |
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Term
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Definition
secretes thin alkaline solution to neutralise urine and female system |
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Term
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Definition
secretes may lubricate, flush out urine or form a gelatinous plug |
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Term
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Definition
passage for urine and sperm |
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Term
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Definition
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Term
male urinary bladder and urethra length |
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Definition
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Term
male urinary bladder and urethra travels through |
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Definition
corpus spongiosum, also the entry point from the urethral gland |
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Term
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Definition
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Term
Narrowest part of the urethra |
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Definition
external urethral sphincter; located in the deep perineal pouch |
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Term
The suspended scrotum will keep the temperature of the testes |
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Definition
3 degrees Celsius cooler than core body temperature |
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Term
Lower testes temperature is required for |
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Definition
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Term
Raising the temperature of testes will |
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Definition
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Term
Scrotum has a muscular wall and in cold weather it will |
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Definition
contract to keep the temperature from getting too low |
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Term
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Definition
when the testes fail to descend into the scrotum; 1 or both |
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Term
Cryptorchidism represents the failure of the testies to |
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Definition
move or descend during fetal development from an abdominal position through the inguinal canal into the ipsilateral scrotum |
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Term
Percentage of full term and premature infant boys born with undescended tesis |
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Definition
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Term
The most common birth defect of the male genitalia |
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Definition
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Term
Siminiferous tubules contain receptor proteins for |
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Definition
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Term
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Definition
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Term
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Definition
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Term
Leydig cells, LH stimulates the secretion of |
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Definition
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Term
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Definition
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Term
Spermatogenesis proceeds from the surface of the tubule to the |
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Definition
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Term
The blood testes barrier is formed by |
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Definition
Stertoli cells joined by tight junctions |
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Term
Sertoli cells support and protect |
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Definition
developing spermatic cells |
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Term
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Definition
androgen binding protein and inhibin |
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Term
Sertoli cells mediate the effects of |
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Definition
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Term
Substances must pass through the Sertoli cells before they can reach the |
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Definition
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Term
The Sertoli cells prevent an |
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Definition
immune response against the antigens on the sperm cell's surface |
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Term
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Definition
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Term
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Definition
sperm producing cells in the testes |
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Term
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Definition
testosterone producing cells in the testes |
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Term
Testosterone and sperm producing cells will |
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Definition
regulate sperm production |
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Term
Spermatogenesis is the process by which |
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Definition
spermatogonia develop into mature spermatozoa |
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Term
Spermatogenesis occurs in the |
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Definition
testes (seminiferous tubule) and epididymis in a stepwise fashion |
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Term
Spermatogenesis takes approximately |
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Definition
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Term
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Definition
2 secondary spermatocytes |
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Term
Lumen spermatogenesis creates |
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Definition
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Term
Each primary spermatocytes goes through the first meiotic division, meiosis I, to produce |
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Definition
two secondary spermatocytes, |
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Term
Meiosis 1 produces chromosomes |
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Definition
each with 23 chromosomes (haploid). Just prior to this division, the genetic material is replicated |
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Term
During meiosis I, one chromosome, goes to |
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Definition
each secondary spermatocyte. |
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Term
In the second meiotic division, meiosis II, each secondary spermatocyte divides to produce |
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Definition
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Term
Replication during Meiosis 2 |
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Definition
There is no replication of genetic material in this division, but a single-stranded chromatid goes to each cell. |
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Term
As a result of the two meiotic divisions, each primary spermatocyte produces |
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Definition
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Term
Chromosome amount of each spermatid |
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Definition
has 23 chromosomes (haploid), one from each pair in the original primary spermatocyte. |
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Term
Spermiogenesis is the metamorphosis of |
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Definition
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Term
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Definition
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Term
Spermiogenesis changes are primarily in |
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Definition
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Term
Spermiogenesis stage takes |
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Definition
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Term
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Definition
package of enzymes at top of sperm; allows penetration of the eggs for fertilization |
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Term
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Definition
- positioned in "head" of sperm along just behind acrosome; allows for delivery of DNA to egg |
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Term
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Definition
microtubules arrange to form "flagellum" for locomotion |
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Term
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Definition
located around the base of the tail; provide ATP for the swimming motion |
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Term
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Definition
excess cytoplasm in "sloughed off" |
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Term
1st meiotic division produces |
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Definition
2 secondary spermatocytes. |
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Term
2nd meiotic division produces |
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Definition
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Term
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Definition
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Term
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Definition
(Contains the 23 chromosomes) |
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Term
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Definition
contain enzymes that are needed to penetrate the egg |
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Term
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Definition
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Term
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Definition
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Term
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Definition
a flagellum, propels the sperm |
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Term
Sperm are produced within the |
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Definition
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Term
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Definition
support and nourish the other cells. Interspersed within the tubules are large cells |
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Term
The vas deferens empties into the |
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Definition
the ejculatory duct at the level of the prostrate gland |
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Term
3 glands near the ejaculatory duct and prostate gland |
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Definition
seminal vesicle prostate gland bulbourethral (Cowper's) gland |
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Term
Functions of The Seminal Vesicles |
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Definition
Fructose-rich fluid Prostaglandins |
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Term
Fructose-rich fluid in seminal vesicles |
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Definition
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Term
Prostaglandins function is |
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Definition
Reacting to the cervix mucus and make it more receptive to sperm movement. Initiate reverse peristaltic muscle contractions to move the sperm closer to the ovaries. |
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Term
Functions of the Prostrate Gland: |
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Definition
Produce Alkaline (basic) fluid: neutralizes the acidity of the vagina. |
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Term
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Definition
(pH of 6.0 to 6.5 is needed for the motility of the sperm) |
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Term
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Definition
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Term
An ejaculation releases about |
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Definition
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Term
% that Vas Deferens contributes to semen |
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Definition
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Term
% Seminal vesicles contributes to semen |
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Definition
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Term
% prostate gland contributes to semen to make it more alkaline |
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Definition
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Term
Substances that promote fertilization |
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Definition
fructose, prostaglandins, zinc, ascorbic acid |
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Term
In penile erection the arterioles |
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Definition
dilate and allow special vascular chambers to fill with blood |
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Term
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Definition
(2) Corpora Cavernosa, Corpus spongiosum |
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Term
Nervous system involved in the stimulation of an erection |
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Definition
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Term
After the parasympathetic stimulation of the penis dilates |
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Definition
the arterioles of corpus cavernosum |
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Term
Once the corpus cavernosum dilates blood engorges |
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Definition
the ventral surface of the penis |
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Term
The corpus spongiosum provides |
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Definition
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Term
Engorgement of blood will compress |
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Definition
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Term
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Definition
the inabilitiy to attain/maintain erections |
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Term
Ejaculation of sperm requires activation from the nervous system of |
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Definition
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Term
Sympathetic activation of the testes tubules causes |
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Definition
reproductive glands/ducts to contract peristaltically and bladder sphincter muscle to constrict |
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Term
When bulbospongiosus muscles contract it will |
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Definition
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Term
Erections are controlled by the |
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Definition
hypothalamus and the spinal cord |
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Term
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Definition
vasodilation of the arterioles |
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Term
Erections are caused by the |
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Definition
parasympathetic nervous system |
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Term
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Definition
forcible expulsion of semen from the urethra out of the penis |
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Term
Ejaculation is stimulated by the |
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Definition
sympathetic nervous system |
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Term
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Definition
maturation of haploid spermatids into sperm |
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Term
Spermatogenesis begins around age |
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Definition
14 in males and continues throughout life |
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Term
900 seminiferous tubules empty into the |
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Definition
epididymis that leads to the vas deferens that enlarges into the deferens ampulla before it joins the body of the prostate |
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Term
Two seminal vesicles empty into the |
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Definition
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Term
all vesicles pass into the |
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Definition
ejaculatory duct to the internal urethra |
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Term
The glands that produce mucus throughout the urethral length is |
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Definition
two Bulbourethral Cowper’s glands |
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Term
At puberty the hypothalamus releases |
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Definition
gonadotropin releasing hormone GnRH |
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Term
GnRH stimulates and produces |
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Definition
the pituitary and produces LH and FSH |
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Term
LH causes the increase of testosterone through the |
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Definition
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Term
If FSH was suppressed and the LH was continued the man would be |
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Definition
infertile but not impotent |
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Term
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Definition
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Term
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Definition
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Term
Testosterone is produced by |
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Definition
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Term
Leydig cells are essential for |
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Definition
growth and division of germinal cells |
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Term
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Definition
the Sertoli cells to convert spermatids into sperm |
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Term
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Definition
testosterone by Sertoli cells |
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Term
Sertoli cells are essential for |
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Definition
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Term
LH stimulates the production testosterone by |
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Definition
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Term
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Definition
hyaluronidase and proteolytic enzymes |
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Term
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Definition
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Term
30 min after the sperm adheres to the zona pellucida the head of the sperm will |
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Definition
fuse with the oocyte to form one cell (fertilization) |
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Term
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Definition
60-150 million sperm/ml semen |
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Term
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Definition
sperm count of <20 million/ml semen |
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Term
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Definition
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Term
Half abnormal sperm morphology and motility will equal |
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Definition
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Term
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Definition
no sperm cells and mutiple WBC |
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Term
Normal semen motility percentage |
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Definition
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Term
Normal semen morphology percentage is |
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Definition
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Term
Vasectomy is considered a |
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Definition
permanent method of birth control |
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Term
Vasectomy is the cutting and tying of |
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Definition
each ductus (vas) deferens |
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Term
Vasectomy will interfere with |
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Definition
sperm transport and may develop anti sperm antibodies |
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Term
Male sex hormones androgens are |
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Definition
testosterone, dihydrotostesterone, androstenedione |
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Term
Testosterone is responsible for |
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Definition
distinguishing characteristics of the masculine body |
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Term
In fetal life (7th week) genital ridge produces |
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Definition
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Term
Testosterone will develop the |
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Definition
primary and secondary sexual characteristics |
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Term
Sperm production starts in boys at |
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Definition
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Term
Spermatogenesis occurs in the |
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Definition
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Term
Spermatogonia cells start to |
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Definition
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Term
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Definition
nourish the developing sperms |
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Term
Interstitial cells outside the tubules produce |
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Definition
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Term
Spermiogenesis is involved in the |
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Definition
maturation of haploid spermatids into sperm |
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Term
Spermatogenesis begins around age |
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Definition
14 and continues throughout life |
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Term
First primary spermatocyte gives |
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Definition
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Term
First meiotic division occurs in |
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Definition
meiosis 1 during spermatogenesis (24 days) |
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Term
2nd meiotic division occurs in |
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Definition
meiosis 2 during spermatogenesis (24 days) |
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Term
Spermatogenesis occurs in |
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Definition
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Term
Sperm containing fructose and prostaglandin comes from |
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Definition
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Term
Blood testis barrier is formed by |
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Definition
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Term
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Definition
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Term
Testicular cancer with gynaecomastia |
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Definition
Interstitial Leydig cell tumor |
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Term
Alpha feto protein tumor marker present in |
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Definition
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Term
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Definition
patient processes vaginalis |
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Term
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Definition
tumor associated with human chorionic gonadotrophin hormone |
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Term
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Definition
the most common testicular cancer |
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Term
if FSH was suppressed and LH continued |
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Definition
the man would be infertile but not impotent |
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Term
Sperm production starts in boys at |
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Definition
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Term
In the 7th week of fetal life the genital ridge produces |
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Definition
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Term
In regards to uncorrected cryptorchidism the testes will not be able to produce sperm, but are able to produce |
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Definition
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Term
The main function of the interstitial cells of Leydig is to produce |
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Definition
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Term
The main function of inhibin produced by the sertoli cells is to inhibit |
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Definition
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Term
Is division involved with the metamorphosis of spermatid into sperm |
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Definition
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