Term
are produced in a gland and target cells in different tissures |
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Definition
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Term
primarily regulate hormone secretion by certain other endocrine glands |
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Definition
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Term
the effective plasma concentration of a hormone can be influenced by the hormones: |
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Definition
rate of excretion, extent of binding to plasma proteins, rate of metabolic inactivation, rate of secretion |
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Term
hormone A stimulates hormone B; hormone B inhibits hormone A |
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Definition
represents negative feedback |
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Term
too little activity of a particulat hormone can arise from: |
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Definition
an abnormality within the endocrine gland that produces this hormone; a deficiency of this hormone's tropic hormone; an inborn lack of target-cell receptors for this hormone; deficient target-cell receptors |
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Term
The ____ is the target for ACTH |
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Definition
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Term
a ____ system exists between the hypothalamus and anterior pituitary |
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Definition
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Term
it is produced in the hypothalamus, it increases kidney reabsorption of water, it is a potent anteriolar vasoconstrictor, it is released when the osmolarity of the plasma increases |
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Definition
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Term
hormones produced in the _____ are made in distinct populations of cells, may be tropic or nontropic, are secreted into the blood, are released in response to certain hormones |
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Definition
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Term
which pituitary hormones have roles inthe reproductive physiology |
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Definition
FSH, LH, oxytocin, prolactin |
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Term
which hormone exerts its effects on bones via somatomedin release |
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Definition
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Term
deep sleep, exercise, stress, low blood glucose level ______ growth hormone secretion |
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Definition
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Term
masculinizing homones produced from the adrenal gland |
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Definition
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Term
derivatives of the amino acid tyrosine |
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Definition
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Term
calcium ions serve a messengers, often in combination with the intracellular protein __ |
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Definition
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Term
hormones can operate on the ___ level of organization |
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Definition
cellular, tissue, organ, organismic |
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Term
The functional organization of the nervous system parallels that of the __ system in many ways |
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Definition
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Term
hormonal actions of cells include those that affect |
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Definition
quantities, activities, and synthesis of enzymes; gating of ion channels |
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Term
if adenyl cyclase activity of liver cells were missing, which of these hormones could no longer stimulate the release of glucose |
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Definition
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Term
destruction of the supraoptic nucleus of the hypothalamuc woud result in the loss of _____ |
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Definition
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Term
changes in blood osmotic pressure would most affect the secretion of |
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Definition
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Term
The hypothalamus controls secretion by the adenohypophysis by |
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Definition
secreting releasing and inhibiting facors into a tiny portal system |
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Term
Excess secretion of growth hormone during early development will cause |
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Definition
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Term
which hormone may lead to acromegaly if hypersecreted after closure of the epiphyseal plates |
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Definition
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Term
which hormone promotes bone growth and muscle growth; is glucose sparing, promotes amino acit uptake by cells |
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Definition
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Term
excess production of urine |
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Definition
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Term
melanocyte-stimulating hormone is secreted by the human pars intermedia in |
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Definition
pregnany women, very young children, fetal development, some disease processes |
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Term
mental and physical sluggishness and low body temperature may be signs of |
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Definition
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Term
this hormone stimulates osteoclast activity, inhibits osteoblast activity, stimulates the formation and secretion of calcitriol at the kidneys, enhances the reabsorption of calcium at the kidneys |
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Definition
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Term
the zona reticularis of the suprarenal cortex produces |
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Definition
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Term
The suprarenal medulla produces |
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Definition
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Term
The ___ gland is a component of the epithalamus; secretes melatonin, containes pinealocytes, responds to light and darkness |
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Definition
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Term
the exocrine portion of the pancreas produces |
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Definition
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Term
the corpus luteum secretes |
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Definition
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Term
the hormone that dominates during the alarm phase of the general adaptation syndrome is |
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Definition
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Term
Lipid reserves are mobilized during the ______ phase of the general adaptation syndrome |
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Definition
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Term
what happens to most of the secreted T4 |
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Definition
It is converted to T3 after being peripherally stripped of one of its iodine atoms |
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Term
what are the plasma proteins to which thyroid hormone is bound in circulation |
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Definition
albumin and thyroxine-binding globulin |
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Term
this hormone increases the overall metabolic rate, it exerts a calorigenic effect, enhances glycogenolysis and lipolysis, causes a proliferation of specific catecholamine target-cell receptors |
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Definition
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Term
too much TRH and TSH, too much T4 or T3, and thyroid stimulating immunoglobin can all contribute to |
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Definition
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Term
occurs secondarily to anterior pituitary failure, occurs due to inadepquate dietary supply of iodine, due to failure of thyroid gland istelf, occurs due to inadequate dietary supply of iodine and be due to failure of the thyroid gland itself |
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Definition
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Term
decreases the calcium concentration in the blood |
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Definition
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Term
hormone that enhances the ability of the kidneys to eliminate excess K+ |
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Definition
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Term
an increase in plasma levels of ACTH leads to increased plasma ___ levels |
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Definition
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Term
this hormone has an anti-inflammatory chemical and it results in potassium excretion |
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Definition
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Term
A student experienceing psychological and emotional stress will secrete CRH, ACTH and Cortisol at ___ levels; may experience a greater risk of infections due to immune system suppression |
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Definition
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Term
this hormone exhibits a marked diurnal variation in secretion |
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Definition
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Term
___ occurs with glucocorticoidsand is related to the sleep-awake cycle |
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Definition
diurnal variation in secretion |
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Term
andrenocorticotropic hormone is controlled in part by |
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Definition
CRH from the hypothalamus |
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Term
carbohydrate conservation, protein degradtion, mobilization of fats for energy, anti-inflammatory and immunosuppressive effects at pharmacological levels are caused by |
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Definition
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Term
marked Na+ loss in the urine
lowered blood glucose levels
K+ retention
poor response to stress
are seen in |
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Definition
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Term
hormones secreted during stress |
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Definition
cortisol
epinephrine
aldosterone
vasopressin |
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Term
hormone secretion stimulated by an increase in blood glucose |
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Definition
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Term
plyuria, acidosis, polydipsia, and hyperglycemia characterize: |
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Definition
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Term
coma (severely depressed CNS activity) may result from untreated |
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Definition
hyperthyroidism and diabetes mellitus |
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Term
____ occurring in diabetes mellitus arise as a resuly of depression of the brain due to acidosis produced by excessive fate metabolism and ketone accumulation |
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Definition
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Term
___ is secreted in response to a fall in blood glucose |
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Definition
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Term
___ is secreted by the C cells of the thyroid gland |
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Definition
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Term
by signaling the ______, the skin is an endocrine gland and vitamin D is a hormone |
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Definition
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Term
production of estrogen, testosterone, progesterone, gametogenesis are functions of the |
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Definition
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Term
___ develop into a male reproductive tract under the influence of testosterone |
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Definition
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Term
An XY combination of sex chromosomes is a genetic ___; the secretion of ___ by fetal gonads induces the development of male external genitalia and reproductive tract |
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Definition
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Term
its secretion is stimulated by LH, it stimulates spermatogenesis, it promotes closure of the epiphyseal place, it stimulates protein synthesis and promotes bone growth |
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Definition
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Term
sperm cells are stored for maturation in the |
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Definition
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Term
spermatogenesis is controlled by |
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Definition
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Term
Which female structure has a similar tissue composistion as the penis |
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Definition
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Term
providing a blood-testes barrier, phagocytizing cytoplasm extruded from sperm during their development, secreting androgen-binding protein, providing nourishment for developing sperm |
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Definition
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Term
stimulates both FSH and LH secretion, is inhibited by testosterone, has low-level activity during the prepubertal period |
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Definition
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Term
__ supply fructose to be utilized by the sperm for energy |
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Definition
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Term
during oogenesis; one primary oocyte produces ___ mature ovum |
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Definition
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Term
reinitiating meiosis in the oocytes of developing follicles, halting estrogen synthesis by the follicular cells, triggering ovulation, formation of the corpus luteum |
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Definition
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Term
occurs during the secretory, or progestational, phase of the mentrual cycle |
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Definition
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Term
during the secretory phase the corpus luteum secretes high levels of |
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Definition
estrogen and progesterone |
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Term
responsible for accomplishing implantation and destined to become the fetal portion of the placenta |
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Definition
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Term
secreted by the plactenta, maintains the corpus luteum, its presence in the urine is the basis of pregnancy diagnosis tests, secreted primarily during the first ten weeks of gestation |
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Definition
human chorionic gonadotropin |
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Term
exerts a strong inhibitory influence on the uterine musculature |
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Definition
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Term
straight tubules originate at the seminigerous tubules and form a network of passageways called the |
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Definition
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Term
which muscles move the testes toward the body |
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Definition
the cremaster ad the dartos muscles |
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Term
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Definition
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Term
the small paired structures at the base of the penis that secrete a think, alkaline mucus are the |
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Definition
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Term
spermatozoa, seminal fluid, prostaglandins, spermatogonia make up |
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Definition
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Term
the paired erectile bodies in the penis are |
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Definition
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Term
the male reproductive system is most closely associated with which of the following systems |
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Definition
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Term
blood vessels, nerves, lymphatic vessels, and the ductus deferens can be found inside |
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Definition
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Term
during meiosis I, maternal and paternal chromosomes fuse together during the process called ___ to form a ___ |
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Definition
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Term
secrete mullerian inhibiting factor, coordinate spermiogenesis, support meiosis, serve as a blood testes barrier |
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Definition
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Term
in mature human spermatozoa the head contains ____ chromosomes |
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Definition
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Term
contraction of the ____ tightens the scrotal sac |
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Definition
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Term
the inferior portion of the uterus that projects into the vagina is the |
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Definition
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Term
serves as a passageway for the elimination of menstrual fluids, recieves the penis during coitus, holds spermatozoa prio to their passage to the uterus, forms the lower portion of the birth canal |
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Definition
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Term
the region of the uterine tube captures the ovum |
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Definition
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Term
structure that extends fromthe lateral surface of the ovary, past the open end of the uterine tube, to the pelvic wall |
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Definition
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Term
stimulates amturation fo primordial follicles in the ovary |
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Definition
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Term
a mature follicle releases an ovum in response to a surge in |
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Definition
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