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► Med - Anatomy & Physiology > Pelvis > Flashcards

Pelvis Flashcards

1
Q

What are the anatomical spaces in the female pelvis?

A
  1. Vesicounterine pouch.

2. Rectouterine pouch.

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2
Q

What are the anatomical spaces in the male pelvis?

A

Rectovesical pouch

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3
Q

What are the branches of the internal iliac artery?

A 
Parietal branches:
1. Superior/inferior gluteal arteries (buttocks)
2. Obturator artery (inner leg)
3. Internal pudendal arteries (perineum)
Visceral branches:
1. Superior/inferior vesical arteries (bladder)
2. Middle rectal artery
3. Uterine artery (uterus)
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4
Q

What is the arterial supply to the bladder?

A
  • Superior/inferior vesical arteries

- Uterine arteries (females)

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5
Q

What is the venous drainage of the bladder?

A

Vesical plexus

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6
Q

What is the name of the muscle making up the walls of the bladder?

A

Detrusor muscle

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7
Q

What is the innervation of the bladder?

A
  • Sympathetic: L1-2 (ejaculation, males)

- Parasympathetic: Pelvic splanchnic nerve (S2-4)

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8
Q

What is the arterial supply to the rectum?

A
  • Superior rectal artery

- Middle rectal artery

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9
Q

At what level does the rectum start?

A

S3

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10
Q

What is the innervation of the rectum?

A 
Sympathetic: 
- Pre-ganglionic: L1-2
- Post-ganglionic: Coeliac/hypogastric plexuses
Parasympathetic:
- Pelvic splanchnic nerve (S2-4)
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11
Q

What are the openings found in the verumontanum of the prostate?

A
  • Prostatic ducts
  • Prostatic utricle
  • Ejaculatory duct
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12
Q

What is the arterial supply to the prostate?

A
  • Inferior vesical artery
  • Middle rectal artery
  • Internal pudendal artery
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13
Q

What is the venous drainage of the prostate?

A

Preprostatic plexus

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14
Q

What structure does the vas diferens pass on along its path?

A
  • Inguinal canal (superficial/deep ring, in spermatic cord)
  • Inferior epigastric vessels (anterior)
  • External iliac vessels (posterior)
  • Medial umbilical ligament (posterior)
  • Obturator neurovascular bundle
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15
Q

What is the arterial supply to the vas diferens?

A

Artery to the vas (branch of superior vesical artery)

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16
Q

What is the arterial supply to the seminal vesicles?

A

Inferior vesical artery

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17
Q

What is the innervation of the vas diferens?

A
  • Intrapelvic: Same as bladder.

- Spermatic cord: Same as testes.

18
Q

What are the layers of fascia covering the testes?

A
  • Tunica vaginalis (parietal/visceral)

- Tunica albuginea

19
Q

What is the arterial supply to the testes?

A

Testicular arteries

20
Q

What is the venous supply to the testes?

A

Pampiniform plexus (drains into testicular veins)

21
Q

What are the structural components of the uterus?

A
  • Fundus
  • Body
  • Cornua
  • Isthmus
  • Cervix
  • Internal os
  • External os
  • Fornix
22
Q

What is the arterial supply to the uterus?

A
  • Uterine arteries

- Branches of ovarian arteries

23
Q

What is the innervation of the uterus?

A 
Sympathetic:
- Pre-ganglionic: T10-L1
- Post-ganglionic: Hypogastic plexuses
Parasympathetic:
- Pelvic splanchnic nerve (S2-4)
24
Q

What are the ligaments of the uterus?

A
  • Broad ligament (Body of uterus - Parietal peritoneum)
  • Round ligament (Junction of uterus/fallopian tube - Labia majora)
  • Ligament of the ovary (Junction of uterus/fallopian tube - ovary)
  • Pubocervical ligament (pubis - cervix)
  • Cardinal ligament (Junction of cervix/vagina - lateral pelvic wall)
  • Uterosacral ligament (Isthmus - sacrum)
25
Q

What are the ligaments of the ovaries?

A
  • Ligament of the ovary
  • Mesovarium (part of broad ligament)
  • Suspensory ligament of the ovary (Pelvis - ovaries)
26
Q

What is the arterial supply to the ovaries?

A

Ovarian arteries

27
Q

What is the venous drainage of the ovaries?

A

Ovarian veins

28
Q

What is the innervation of the ovaries?

A 
Sympathetic:
- Pre-ganglionic: T10
- Post-ganglionic: Para-aortic ganglia
Parasympathetic:
- None
29
Q

What are the bones that make up the pelvis?

A
  • Ilium
  • Sacrum
  • Coccyx
  • Pubis
  • Ischium
30
Q

What are the origins and insertions of piriformis?

A
  • Origin: Middle 3 pieces of the sacrum

- Insertion: Upper greater trochanter of the femur

31
Q

What is the function of piriformis?

A

Lateral rotation of extended hip joint

32
Q

What are the origins and insertions of obturator internus?

A

Origin: Membrane and margins of obturator foraman.
Insertion: Medial surface of greater trochanter.

33
Q

What are the muscles that make up levator ani?

A
  • Puborectalis
  • Pubococcygeus (puboprostaticus/vaginalis, puboanalis)
  • Iliococcygeus
34
Q

What are the origins and insertions of puborectalis?

A
  • Origin: Posterior surface of pubis

- Insertion: None (sling)

35
Q

What are the origins and insertions of pubococcygeus?

A
  • Origin: Posterior surface of pubis

- Insertion: Anococcygeal raphé

36
Q

What are the origins and insertions of iliococcygeus?

A
  • Origin: White line (obturator internus)

- Insertion: Anococcygeal raphé

37
Q

What are the contents of the deep perineal pouch?

A
  • Membranous urethra
  • External urethral sphinctrer
  • Bulbourethral glands
  • Deep transverse perineal muscle
38
Q

What are the parts of the penis?

A
  • Roots
  • Body
  • Glans
39
Q

What are the attachments of the roots of the penis?

A
  • Ischiopubic rami (by the crura)

- Pubic symphysis (by the suspensory ligaments)

40
Q

What are the parts of the urethra?

A
  • Prostatic urethra
  • Membranous urethra
  • Penile urethra
41
Q

What are the major plexuses in the perineum?

A
  • Sacral plexus (L5-S4)

- Coccygeal plexus (S4-S5)

42
Q

What are the main branches of pudendal nerve (S2-4)?

A 
Inferior rectal nerve:
- External anal sphincter
- Perianal skin
- Levator ani
Perineal nerve:
- Scrotal branches: Scrotum
- Muscular branches: Transverse perineal muscles, ischiocavernosus, bulbospongeosus, external urethral sphinctre, external anal sphincter, levator ani.
- Nerve to bulb: Bulb of penis
Dorsal nerve of the penis:
- Skin of penis 
- Glans

► Med - Anatomy & Physiology (130 decks)

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