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39 Cards in this Set
- Front
- Back
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Sperm delivered via |
Epididymus > ductus deferens > ejaculatory duct > urethra |
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Testes |
Cont. In Fibrous capsule called tunica albuginea. Divided into lobules. |
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Each lobule cont. |
2-3 seminiferous tubules |
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Ea. Seminiferous tubule cont. |
Sertoli cells Spermatogonia and spermatocytes Leydig cells THIS IS WHERE SPERMATOGENESIS OCCURS |
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Spermatocytes |
Prim. Spermatocytes > meiosis > 2ndry spermatocytes |
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Sertoli cells |
Mechanical supp. & prot. for dev. germ cells. Secrete inhibin |
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Inhibin |
Hormone that influences rate of maturation and release of mature spermatozoa |
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Leydig cells |
Cells that lay outzide seminiferous tubules, prod. Androgen (TESTOSTERONE) |
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FSH (males) |
Initiates/promotes spermatogenesis in seminiferous tubules |
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LH (males) |
Stim. Leydig cells to prod./release Testosterone |
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Spermatogonium |
Germ cell that has 46 chrom, the meiosis into 2×23 (primary spermatocyte) |
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Seminal vesicles |
Prod. Viscous alkaline seminal fluid (70% of semen) |
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Prostate |
Secretes milky fluid, plays role in activation of sperm |
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Bulbourethral glands |
Prod. Thick, clear mucus |
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Ovarian ligament |
Anchors ovary medially to the uterus |
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Suspensary ligament |
Anchors ovary laterally to pelvic wall |
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Broad ligament |
Supports uterine tubes, utera and vagina. Cont. suspensory ligament and mesovarium |
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Ampulla (in Fallopian tubes) |
Distal exp. W. Infundibulum near ovary, usual site of fert. |
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Ciliated fibriae (pt. Of Fallopian tube) |
Create currents to move oocyte into uterine tube Oocyte carrued along by peristalsis |
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Isthmus (pt. Of fallopian tube) |
Constricted region when tube joins uterus |
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3 layers of uterine wall |
Perimetrium Myometrium Endometrium |
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Perimetrium |
Serous layer (visceral peritoneum) |
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Myometrium |
Interlacing layers of smooth muscle |
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Endometrium |
Mucosal lining |
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Layers of endometrium |
Stratum functionalis Stratum basalis |
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Stratum functionalis |
Changes in response to ovarian hormone cycles Shed during period. |
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Stratum basalis |
Forms new functionalis Unresponsive to ovarian hormones |
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Layers of vagina |
Fibroelastic adventitia Smooth muscle muscularis Stratified squamous mucosa with rugae |
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Vaginal fornix |
Upper end of the vagina surrounding the cervix |
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Oogenesis |
Oogonium (46) > oogonia (23) > Prim. Oocyte > 1st polar body + 2ndry oocyte > oocyte bursts out of follicle > if egg not fertilised, becomes corpus luteum > corpus albicans |
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Follicular phase |
Days 1-14 |
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Luteal phase |
Days 14-28 |
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Corpus luteum |
Secretes L amounts of progesterone and little oestrogen |
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Stages fron fertilisation > birth |
Fertilisation Implantation Placental dev. Fetal dev. Gestation Labor Parturition (birth) |
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Ectopic pregnancy |
Dev. Of embryo outside the uterus |
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Hormones of pregnancy |
Chorion: day 8 - 4 months secretes hCG (keeps corpus luteum active) |
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Placenta |
By 4th month, placenta prod. Enough progesterone and oestrogen that corpus luteum is no longer needs. Also prod. Relaxin and hCS |
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Relaxin |
Relaxes CT of pelvis and cervix |
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hCS |
Helps prepare mammary glands for lactation |
