Term
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Definition
| the skeletal muscles of the pelvic floor form a bowl-like arrangement creating a sling that helps support the.. |
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Term
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Definition
| the pelvic visceral organs muscle layer is referred to as the.. |
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Term
| anterior urogenital triangle and the posterior anal triangle |
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Definition
| the pelvic diaphragm can be further divided into the.. |
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Term
| levator ani muscle group and coccygeus muscle |
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Definition
| the deep pelvic muscles are the.. |
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Term
| external urinary (urethral) sphincter and the external anal sphincter |
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Definition
| the urethra, rectum, and vagina pass through the pelvic diaphragm muscles with the muscles contributing to the formation of the.. |
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Term
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Definition
| the superficial (external) surface of the pelvic diaphragm is referred to as the.. |
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Term
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Definition
| a layer of dense connective tissue covering the skeletal muscle |
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Term
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Definition
| dense connective tissue in areas where organs need anchoring and support but is looser and contains fat in areas where expansion of organs is needed, like the bladder and rectum |
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Term
sacral and coccygeal spinal nerves
sympathetic nerves to visceral organs
pelvic splanchnic nerve (parasympathetic innervation ot visceral nerves) |
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Definition
| nerve supply to these pelvic structures |
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Term
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Definition
| gonads: production of germ cells |
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Term
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Definition
| gonads: production of hormones |
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Term
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Definition
| tubular system that fxns in transport of germ cells |
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Term
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Definition
| mainly in male, produce secretions that support and facilitate transport of germ cells |
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Term
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Definition
| develop in the abdominal cavity; primordial germ cells migrate from the yolk sac into developing "these" and differentiate into spermatogonia or oogonia |
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Term
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Definition
| both male and female embryos have the same primitive structures which have the capacity to develop into either male or female "these" |
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Term
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Definition
| determine which gonads will develop |
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Term
| presence or absence of testosterone |
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Definition
| determine the development of the duct system and external genitalia |
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Term
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Definition
| production of gametes or germ cells |
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Term
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Definition
| in males, the germ cells are sperm and the production of sperm is referred to as.. |
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Term
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Definition
| in females, the germ cells are ova, and the production of ova is referred to as.. |
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Term
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Definition
| during gametogenesis, cells undergo two.. |
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Term
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Definition
| prior to meiosis, cells.. |
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Term
| chromosome pairs separate into 2 daughter cells with 23 chromosomes and half the DNA complement |
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Definition
| during the 1st meiotic division.. |
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Term
| the chromatids making up each chromosome separate resulting in 2 daughter cells each containing 23 chromosomes but half the DNA |
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Definition
| during the 2nd meiotic division |
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Term
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Definition
| the germ cells also differentiate or change and mature during.. |
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Term
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Definition
| outer mesothelium; CT capsule (tunica albuginea) and septa, posterior thickening = mediastinum; seminiferous tubules; interstitium: CT, myoid cells, interstitial cells of leydig |
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Term
| spermatogenic cells, sertoli cells |
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Definition
| types of seminiferous tubules: germinal epithelium on basal lamina |
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Term
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Definition
| meiotic division as well as the end stage of differentiation referred to as.. |
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Term
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Definition
| spermatogenesis where testes contain only resting spermatogonia, sertoli cells, and leydig cells |
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Term
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Definition
| spermatogenesis where luteinizing hormone (LH) secretion from the pituitary stimulates onset of spermatogenesis |
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Term
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Definition
| process by which spermatids differentiate into spermatozoa |
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Term
development of acrosome
formation of the flagella
excess cytoplasm is shed |
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Definition
| main structural changes during spermiogenesis |
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Term
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Definition
| mature but _____ spermatozoa are released into the lumen of the seminiferous tubules |
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Term
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Definition
| mature spermatozoa components |
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Term
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Definition
| mature spermatozoa head components |
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Term
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Definition
| mature spermatozoa neck components |
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Term
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Definition
| elaborate intercellular jxns; blood-testis barrier; support and nutritional regulation of developing spermatogenic cells; phagocytosis; secretion |
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Term
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Definition
| protects maturing sperm from toxic injury and immunological attack; sertoli zonula occludens form a barrier which secregates the germinal epithelium into a basal compartment; jxns break down and re-form allowing maturing spermatogenic cells to move up towards lumen of seminiferous tubule |
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Term
| mullerian inhibiting factor |
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Definition
| only secreted by fetal sertoli cells |
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Term
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Definition
| myoid cells make up the.. |
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Term
| interstitial cells of leydig |
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Definition
| these are found in testosterone |
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Term
| fetal testosterone secretion |
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Definition
| male duct development; converst to dihydrotestosterone which stimulates development of external genitalia; influences development of other systems |
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Term
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Definition
| when LH secretion stimulates rise in testosterone secretion; testosterone stimulates spermatogenesis, development of secondary sex characteristics, and fxn of accessory glands |
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Term
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Definition
| located in testis mediastinum, fxn in absorption of testicular fluid and transport of sperm |
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Term
tubuli recti
rete testis
efferent ducts |
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Definition
| types of intratesticular ducts |
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Term
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Definition
| highly coiled tube on posterior aspect of testis |
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Term
| pseudostratified columnar |
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Definition
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Term
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Definition
| columnar cells with steriocilia |
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Term
| site of final maturation of sperm and they acquire forward motility |
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Definition
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Term
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Definition
| extends form scrotum up through inguinal canal as part of spermatic cord; curves over and extends along the posteriour aspect of the urinary bladder and joins with the duct of the seminal vesicle to form the ejaculatory duct which empties into the prostatic urethra |
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Term
| pseudostratified columnar epithelium with steriocilia |
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Definition
| cells that line the ductus deferens |
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Term
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Definition
| receives duct from seminal vesicle to form ejactulatory duct |
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Term
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Definition
| secretes major fluid volume of semen |
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Term
| pseudostratified columnar epithelium with ciliated cells and secretory cells |
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Definition
| cells that line the seminal vesicle |
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Term
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Definition
| branched tubuloacinar gland; fibromuscular stroma; glands arranged concentrically around urethra |
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Term
| smooth muscle in epididymis, ductus deferens, seminal vesicle, and prostate |
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Definition
| during ejaculation, sympathetic nervous stimulation causes contraction of.. |
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Term
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Definition
| mucous-secreting tubuloacinar, ducts empty into penile urethra |
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Term
| skin, dartos tunic, colle's fascia, mesothelium, potential space btwn scrotal sac and testis |
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Definition
| layers outer to inner of scrotum |
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Term
| glans prepuce, epidermis, dermis, hypodermia, fibroelastic CT, erectile tissue |
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Definition
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Term
| corpora cavernosa, corpora spongiosum, vascular sinuses |
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Definition
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Term
| arousal, emission/ejaculation, remission |
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Definition
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Term
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Definition
| parasympathetic stimulation causes dilation of helicine arteries increasing blood flow into erectile tissue; arteriovenous anastomoses are compressed and vemous outflow is inhibited |
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Term
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Definition
| sympathhetic stimulation causes smooth muscle constriction in male reproductive ducts propelling spermatozoa and seminal fluid into the urethra |
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Term
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Definition
| venous drainage of erectile tissue and return to resting state |
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Term
| orchitis, torsion, intratubular germ cell neoplasms |
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Definition
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Term
| benign nodular hyperplasia, invasive carcinoma |
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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
| viral or bacterial; granulomatous is trauma |
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Term
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Definition
| result in infarct and necrosis |
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Term
| intratubular germ cell neoplasms |
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Definition
| may arise from sperm, embryonic or extraembryonic tissue |
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Term
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Definition
| arises from glandular cells, most often in peripheral zone |
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Term
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Definition
| usually found in glans or prepuce |
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