Reproductive Anatomy Flashcards

1
Q

What is the reproductive anatomy derived from?

A

Mesoderm

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2
Q

What do the seminal vesicle, epididymis, ejaculatory duct, and ductus deferens arise from?

A

Mesonephric (Wolffian duct)

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3
Q

Where do the primitive ovary or testis develop from?

A

Mesoderm on top of the kidney

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4
Q

Where does the uterus and upper 1/3 of the vagina develop from?

A

Paramesonephric (Mullerian duct)

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5
Q

Where are spermatozoa produced from?

A

Seminiferous tubules of the testis

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6
Q

What is testosterone secreted by?

A

Leydig cells under the influence of LH

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7
Q

Testosterone acts directly on what cells?

A

Sertoli cells

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8
Q

The scrotum is approximately how much cooler than the rest of the body?

A

1 degree C

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9
Q

What thick fibrous capsule encloses the testis?

A

Tunica Albuginea

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10
Q

The tunica albuginea divide the testis into how many lobules?

A

300

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11
Q

How many seminiferous tubules does each lobule of the testis contain?

A

1-4 seminiferous tubules

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12
Q

What do the seminiferous tubules empty into?

A

The straight tubules

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13
Q

What do the straight tubules empty into?

A

Rete testis

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14
Q

What do rete testis empty into?

A

The epididymis

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15
Q

What 7 layers cover the testis

A

Skin, dartos muscle (within colles fascia), external spermatic fascia, cremasteric muscle, internal spermatic fascia, parietal layer of tunica vaginalis (from the peritoneum), visceral layer of the tunica vaginalis

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16
Q

Where do sperm mature?

A

The epididymis

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17
Q

What does the epididymis continue as?

A

Ductus deferens

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18
Q

The ductus deferens is joined by what?

A

The seminal duct

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19
Q

What is the joint ductus deferens and seminal duct called?

A

Ejaculatory duct

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20
Q

Where does the ejaculatory duct open?

A

Prostatic urethra

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21
Q

What are the 3 coverings of the spermatic cord?

A

External spermatic fascia
Cremasteric fascia
Internal spermatic fascia

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22
Q

What 3 arteries are in the spermatic cord?

A

Testicular, artery to the ductus deferens, and cremasteric artery

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23
Q

What 3 nerves are in the spermatic cord?

A

Testicular, genital branch of genitofemoral, and ilioinguinal nerve

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24
Q

What 3 structures also are contained in the spermaitc cord?

A

Ductus deferens, pampiniform plexus, testicular lymphatics

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25
Q

What lies dorsally on both sides of the penis and is full of blood?

A

Corpora cavernosa

26
Q

What lies inferior on the penis?

A

Corpus spongiosum

27
Q

What are the corpora of the penis enclosed in?

A

Buck’s fascia

28
Q

What is contained within the corpus spongiosum?

A

The penile urethra

29
Q

What is the expanded distal end of the copus spongiosum

A

Glans penis

30
Q

What supplies blood to the penis?

A

The internal pudendal artery by deep penile and dorsal penile branches

31
Q

What innervates the penis?

A

Pudendal nerve and pelvic splanchnic nerves S2-4

32
Q

What is the hair bearing fat pad covering the symphysis pubis in females?

A

Mons pubis

33
Q

What are the two longitudinal folds of skins that extend posteriorly from the mons pubis?

A

Labia majora

34
Q

What two smaller folds lie between the labia majora?

A

Labia minora

35
Q

The lateral portion of the labia minora fuses above the clitoris to form what?

A

The prepuce

36
Q

The medial portion of the labia minora fuses below the clitoris to form what?

A

The frenulum

37
Q

What kind of the tissue is the clitoris made of?

A

Erectile tissue

38
Q

What are the parts of the clitoris?

A

Two crura and a glans

39
Q

What is the space between the labia minora with the urethral and vaginal orifices?

A

Vestibule

40
Q

What does the vagina develop from?

A

Urogenital sinus

41
Q

Where does the vagina extend from?

A

Vestibule to cervix

42
Q

The lower portion of the cervix that protrudes into the upper upper part of the vagina forms what?

A

Anterior, posterior, and lateral fornices

43
Q

What are the anatomical parts of the uterus?

A

Fundus, body, and cervix

44
Q

What is the normal orientation of the cervix?

A

Anteverted (angled toward the vagina) and Anteflexed (body bent forwards to the cervix)

45
Q

How is the uterus attached to the ovary?

A

Ligament of the ovary

46
Q

How is the uterus attached to the labia majora?

A

Round ligament

47
Q

What other ligament is attached to the uterus?

A

Broad ligament

48
Q

What supplies blood to the uterus?

A

Named branches of the of the anterior division of the internal iliac artery

49
Q

Where is the ovary?

A

In the ovarian fossa

50
Q

What vessels do the ovaries lie between?

A

The external and internal illiac arteries

51
Q

What structures attach to the ovary?

A

Posterior aspect of the broad ligament (by mesovarium), Suspensory ligament to the pelvic wall, Ligament of the ovary to the uterus

52
Q

What supplies blood to the ovary?

A

Ovarian artery a branch of the abdominal aorta at L2

53
Q

What drains blood from the right ovary?

A

IVC

54
Q

What drains blood from the left ovary?

A

Left renal vein

55
Q

What is the broad ligament made of?

A

A double layer of peritoneum

56
Q

What does the broad ligament cover?

A

Mesometrium and uterine tubes

57
Q

What two ligaments are contained in the broad ligament?

A

Ligament of the ovary

Round ligament

58
Q

What is the round ligament a female equivalent of?

A

Gubernaculums testes in males

59
Q

What is the part of the broad ligament that contains the uterine tube?

A

Mesosalpinx

60
Q

How is the male pelvis different from the female pelvis?

A

Heavier, Smaller heart-shaped inlet, Narrower subpubic angle, Ischial spines are inverted, sacrum is more curved