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Anatomy II Exam 1 > Lecture 3: Pelvic Cavity 2 > Flashcards

Lecture 3: Pelvic Cavity 2 Flashcards

1
Q

List the male and female portions of the following external reproductive primordia:

  1. unpaired genital tubercle
  2. paired genital folds
  3. paired genital swellings
A
  1. M-glans penis F-clit
  2. M:shaft of penis F:labia minora
  3. M: scrotum F: labia majora
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2
Q

What are the male internal reproductive structures?

A
  1. spermatic cord
  2. prostate gland
  3. seminal vesicles
  4. bulubourethral glands
  5. ejaculatory ducts
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3
Q

Define penile raphe

A

raised ridge between the glans penis and the scrotum; line of fusion

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4
Q

Define scrotal raphe

A

between penile raphe and perineal raphe

line of fusion between the genital swelling

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5
Q

Define the perineal raphe

A

between the scrotal raphe and the anus

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6
Q

Describe the 3 columns of the erectile tissue in the shaft of the penis

A
  1. paired corporal cavernosa (2): extensions of the crura, dorsal to the third column; surrounds a deep artery
  2. corpus spongiosum: houses the urethra
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7
Q

What are the layers of tissue surrounding the penis?

A

Dartos fascia
Buck’s fascia
Deep fascia

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8
Q

List the layers of the scrotum

A
  1. skin
  2. dartos fascia and muscle
  3. external spermatic fascia
  4. cremasteric fascia
  5. internal spermatic fascia
  6. parietal tunica vaginalis
  7. visceral tunica vaginalis
  8. tunica albuginea
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9
Q

Describe the where sperm is produced and how it gets to where it is stored

A

Sperm is produced in the testes and then it travels through the rete testes and the efferent ductules to get to the epididymis where the sperm matures and is stored

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10
Q

Describe the spermatic cord including its function and contents

A

function: suspend the testes in scrotum
contains:
ductus deferens, testicular artery and artery of the ductus deferens, cremasteric artery. pampiniform plexus, sympathetic fibers, genital branch of genitofemoral nerve (L1)

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11
Q

Define the ductus deferens

A

muscular tune that takes the sperm form the epididymis to the ejaculatory duct

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12
Q

Define the testicular artery

A

from the aorta via the gonadal artery; supplies the testes and epididymis

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13
Q

Define the pampiniform plexus

A

drains to the testicular vein to the inferior vena cava or the renal vein

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14
Q

Describe the prostate gland

A

located under urethra from bladder

produces prostatic fluid

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15
Q

Describe the seminal vesicles

A

elongated structures between the urinary bladder and the rectum; secrete alkaline fluid

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16
Q

Describe the bulbourethral glands

A

pea sized glands that are located posterolaterally to the membranous urethra; produce mucous like secretion in arousal

17
Q

Where do the ejaculatory ducts begin and converge?

A

Begin at the union of theductus deferens and seminal vesicle near the neck of the urinary bladder

converge at the seminal colliculus at the prostatic utricle

18
Q

Describe the urethra in terms of

  1. preprostatic
  2. prostatic
  3. membranosus
  4. spongy
A
  1. very short; extends to the prostate gland
  2. passes through the prostate
  3. passes through the urogenital diaphragm
  4. passes through the corpus spongiosum
19
Q

List the female external genitalia

A 
pudendal cleft 
mons pubis 
labia majora 
labia minora 
clitoris
20
Q

List the female internal reproductive organs

A

vagina
uterus
oviducts
ovaries

21
Q

Define the pudendal cleft

A

cleft between the anterior parts of the labia majora

22
Q

Define the mons pubis

A

rounded, fatty prominence anterior to the pubic symphysis

23
Q

Define the labia majora

A

prominent skin folds protecting the external urethra and the vaginal orificies

24
Q

Define the labia minora

A

fat free, hairless skin folds; enclosed within pudendal cleft and labia majora

25
Q

Describe the clitoris

A

erectile structure; consists of the glans covered by prepuce, angle, body, and paired crura

26
Q

What are the parts of the uterus?

A

funds
body
isthmus
cervix

27
Q

What are the layers of the uterine wall?

A
  1. perimetrium
  2. myometrium (most vascular)
  3. endometrium
28
Q

What are the three openings into the uterus?

A

os cervix and the paired (2) oviduct openings

29
Q

What is the function of the broad ligament?

A

suspended the uterus and support it during pregnancy

30
Q

Define the mesovarium

A

attaches to the ovaries

31
Q

Define the mesosalpinx

A

attaches to the uterine tubes

32
Q

What are the ligamentous structures of the female reproductive organs?

A

round ligament: attaches the lateral aspects of the uterus to the labia majora (passes through the inguinal canal)

transverse cervical ligament- attaches to the lateral pelvic wall to the cervix and the lateral fornix

uterosacral ligament: attaches middle sacrum to cervix

suspensory ligament of the ovary: extends from the lateral pelvic wall to the ovary

33
Q

What are the uterine pouches?

A

vesiculouterine pouch: between the urinary bladder and the uterus

rectouterine pouch: between the sigmoid colon, rectum, and uterus

34
Q

What is the order of the uterine tubes from the ovary to the uterus?

A

infundibulum
ampulla
isthmus
intramural

35
Q

What are the characteristics of the ovaries?

A

small, almond shaped, suspended by mesovarium, produce and expel egg follicles

36
Q

Describe the rectum

A

begins at S3

consists of transverse folds, anorectal flexure, and the ampulla

37
Q

What are the portions of the anal canal?

A

internal anal ring sphincter
external anal ring sphincter
anal columns
anal valves

38
Q

Describe the pectinate line

A
  • marks the junction between the endoderm and ectoderm portions of the anal canal
  • marks divisions between the arterial, venous, lymphatic, and nerve supply
39
Q

What is the arterial supply of the anal canal?

A

inferior rectal artery

Anatomy II Exam 1 (7 decks)

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