5 LE Pelvic Viscera (Reproductive System)

Question 1

rectum

Answer 1

end of digestive system

• begins S3
• ends @ tip of coccyx
• becomes anal canal below pelvic diaphragm
• blood supply: rectal artery

Question 2

distal urinary system

Answer 2

ureters
urinary bladder
urethra

Question 3

ureters

Answer 3

connects kidneys to urinary bladder

Question 4

urinary bladder

Answer 4

holds urine b4 urination

• detrucer muscle
• blood supply: vesical arteries
• N: SNS (L1-L2) + PNS (S2-S4)

**adult bladder holds up to 1 liter of urine

**important for bladder control in spinal cord injury

Question 5

location of urinary bladder in children (

Answer 5

completely in abdomen

Question 6

location of urinary bladder in adults (empty)

Answer 6

in pelvis

Question 7

location of urinary bladder in adults (full)

Answer 7

rises in greater pelvis + hypogastric region

Question 8

female urethra

Answer 8

btwn clitoris + vagina

- 4cm long

Question 9

male urethra

Answer 9

neck of bladder to external urethral orifice

• 18-22cm long
• parts: prostatic, membranous, spongy

Question 10

scrotum

Answer 10

sac that encloses the testes

• “hangs” from the spermatic cord
• FCN: keeps tests @ 35˚ C (body T = 37˚ C)

Question 11

spermatic cord

Answer 11

passes through inguinal canal to testes

Question 12

scrotum contains

Answer 12

ductus defereus
testicular artery
lymphatic vessels
dartos + cremaster muscle
pampiniform venous plexus

Question 13

cremaster y dartos muscles

Answer 13

contract when cold
relax when warm

**testes closer to or farther from body

Question 14

pampiniform plexus

Answer 14

counteract heat exchanger so that blood to testes is 35˚ C

Question 15

creation + passage of sperm

Answer 15

(1) testes - male gonads
(2) seminiferous tubules
(3) rete testis
(4) efferent ductules
(5) epididymis
(6) ductus (vas) deferens

Question 16

male gonads

Answer 16

product sperm y testerone

- located in testes

Question 17

vasectomy

Answer 17

cut ductus (vas) deferens

• severed + tied
• reversible but increases success if

Question 18

cell types in testes

Answer 18

Leydig (interstitial) cells

Sertoli cells

Question 19

descent of testes

Answer 19

from internal abdominal oblique to cremaster muscle

- gubernaculum

Question 20

gubernaculum

Answer 20

tough cord that anchors testes in scrotal sac

**equivalent to (female) round ligament of uterus

Question 21

seminal vesicles (2)

Answer 21

(male accessory structure) posterior to bladder

• oriented obliquely to prostrate
• joins ductus deferens to form ejaculatory duct

Question 22

prostate

Answer 22

(male accessory structure) largest accessory gland

• btwn bladder neck + deep transverse perineal muscle
• size of walnut
• surrounds prostatic urethra

Question 23

bulborethral (Cowper’s) glands

Answer 23

male accessory structure

Question 24

penis

Answer 24

copulatory organ

• outlet for urine + semen
• blood supply: internal iliac artery (branches)
• N: pudendal nerve

Question 25

erectile tissues of the penis (3)

Answer 25

``` corpus spongiosum (1) corpus cavernosa (2) ```

Question 26

parts of the penis

Answer 26

root bulb shaft glans

Question 27

female external genitalia

Answer 27

``` mons pubs labia majora labia minora clitoris vaginal orifice vestibular bulbs vestibular glands paraurethral glands ```

Question 28

female internal genitalia

Answer 28

ovaries uterine tubes uterus vagina **enclosed in pelvic cavity

Question 29

ovary

Answer 29

- size of almond - female gonads (produce eggs/estrogen/progesterone) - blood supply: ovarian artery

Question 30

ovarian ligaments (3)

Answer 30

- suspensory ligament of ovary - broad ligament of uterus (mesovarium) - ligament of ovary

Question 31

suspensory ligament of ovary

Answer 31

connects ovary to pelvic wall | - contains VAN

Question 32

broad ligament of uterus (mesovarium)

Answer 32

connects ovary to uterus + uterine tube

Question 33

ligament of ovary

Answer 33

connects ovary to uterus

Question 34

uterine tubes (2)

Answer 34

fallopian tubes - 10cm long - upper border of broad ligament - 4 parts - blood supply: ovarian + uterine artery

Question 35

uterine tube parts (4)

Answer 35

infundibulum (fibibriae) ampulla isthmus uterine

Question 36

most common fertilization cite

Answer 36

junction btwn ampulla + isthmus b/c very narrow

Question 37

uterus

Answer 37

womb - (empty) walnut - (full term) watermelon - 3 parts - 3 layers - blood supply: uterine supply

Question 38

parts of the uterus

Answer 38

fundus (cap) body cervix (neck)

Question 39

layers of the uterus

Answer 39

perimetrium myometrium (muscle) endometrium (sheds during menstrual cycle)

Question 40

uterus support (3)

Answer 40

levator ani muscle broad ligament round ligament

Question 41

round ligament

Answer 41

anchors uterus into labia majora | - homolog of (male) gubernaculum

Question 42

vagina

Answer 42

copulatory organ - distal portion of birth canal - upper 1/2 = above pelvic floor - greater/lesser vestibular glands - blood supply: vaginal artery

Question 43

greater + lesser vestibular glands

Answer 43

(vagina) secrete lubricating mucus