Reproductive Anatomy Flashcards Preview

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Flashcards in Reproductive Anatomy Deck (60)
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1

What is the reproductive anatomy derived from?

Mesoderm

2

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

Mesonephric (Wolffian duct)

3

Where do the primitive ovary or testis develop from?

Mesoderm on top of the kidney

4

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

Paramesonephric (Mullerian duct)

5

Where are spermatozoa produced from?

Seminiferous tubules of the testis

6

What is testosterone secreted by?

Leydig cells under the influence of LH

7

Testosterone acts directly on what cells?

Sertoli cells

8

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

1 degree C

9

What thick fibrous capsule encloses the testis?

Tunica Albuginea

10

The tunica albuginea divide the testis into how many lobules?

300

11

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

1-4 seminiferous tubules

12

What do the seminiferous tubules empty into?

The straight tubules

13

What do the straight tubules empty into?

Rete testis

14

What do rete testis empty into?

The epididymis

15

What 7 layers cover the testis

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

16

Where do sperm mature?

The epididymis

17

What does the epididymis continue as?

Ductus deferens

18

The ductus deferens is joined by what?

The seminal duct

19

What is the joint ductus deferens and seminal duct called?

Ejaculatory duct

20

Where does the ejaculatory duct open?

Prostatic urethra

21

What are the 3 coverings of the spermatic cord?

External spermatic fascia
Cremasteric fascia
Internal spermatic fascia

22

What 3 arteries are in the spermatic cord?

Testicular, artery to the ductus deferens, and cremasteric artery

23

What 3 nerves are in the spermatic cord?

Testicular, genital branch of genitofemoral, and ilioinguinal nerve

24

What 3 structures also are contained in the spermaitc cord?

Ductus deferens, pampiniform plexus, testicular lymphatics

25

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

Corpora cavernosa

26

What lies inferior on the penis?

Corpus spongiosum

27

What are the corpora of the penis enclosed in?

Buck's fascia

28

What is contained within the corpus spongiosum?

The penile urethra

29

What is the expanded distal end of the copus spongiosum

Glans penis

30

What supplies blood to the penis?

The internal pudendal artery by deep penile and dorsal penile branches