5.2 Pelvis and Perineum Flashcards

1
Q

Pelvis that is superior to the pelvic inlet

A

False pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pelvis that is between the pelvic inlet snd pelvic outlet

A

True pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Linea terminals is formed by

A

Arcuate line + pectinate line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Functions to guide the fetus towards the lesser pelvis during laboe

A

False pelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Part that is of the least pelvic dimensions

A

Midpelvis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Narrowest AP diameter of pelvic inlet and it’s measurement

A

Obstetric diameter (10 cms)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Narrowest transverse diameter

A

Interspinous diameter (10 cms)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

AP diameter from sacral promontory to superior border pf pubis symphysis

A

True ap diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

AP diameter of pelvic inlet from sacral promotory to inferior border of pubis

A

Diagonal AP diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

AP diameter from sacral promontory to middle portion of pubis

A

Obstetric AP diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Weak areas of the pelvis

A

Pubic ramiAcetabulumRegion of sacroiliac jointAlae of ilium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Pelvic diaphragm is formed hy

A

Levator ani musclesCoccygeus muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Levator ani muscles

A

Puborectalis- maintaining fecal continenceIliococcygeus-supports anal canalCoccygeus-assist levayores ani

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Pouch between anterior wall pf uterus and the urinary bladder

A

Vesicouterine pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Pocket formed between uterus and rectum

A

Rectouterine pouch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Pelvic fascia continuous with transversalis and iliipsoas fascia

A

Parietal pelvic fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Pelvic fascia providingn passage for blood vessels

A

Condensed endopelvic fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Arterial supply to the pelvisnis mainly given by

A

Internal iliac artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

6 main arteries entering the lesser pelvis of females

A

Paired internal iliac aa. Paired ovarian aaMedian sacral a. Superior rectal a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Branches of the anterior division of internal iliac artery

A

UmbilicalObturatorInferior vesicalUterineMiddle rectalInternal pudendalInferior gluteal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Branches of the posterior division of the internal iliac artery

A

IliolumbarLateral sacralSuperior gluteal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The artery that is direct continuation if the inferior mesenteric artery that supplies the revtum and anal canal

A

Superior rectal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Artery that is the direct branch of the abdominal aorta and crosses the external iliac vessels them anastamoses with uterine artery

A

Ovarian artery

24
Q

Internal iliac vein and external iliac veins merge to form common iliac vein. Right and left common iliac veins merge at the level of __ to form the __.

A

L4 or L5IVC

25
Q

All pelvic organs are supplied by branches of the internal iliac artey except the __ and the __

A

Ovaries and the upper third of rectum

26
Q

The obturator nerve supplies

A

Medial thigh muscles

27
Q

Largest nerve in the body supplying the posterior aspect of the thigh and the entire left leg and foot

A

Sciatic nerve

28
Q

Main nerve of the perineum and the chief sensory nerve of external genitalia

A

Pudendal nerve

29
Q

Parasympathetic fibers to pelvic fascia arising from s2-s4

A

Pelvic splanchnic nerves

30
Q

Provide sympathetic innervation to lower limbs

A

Sacral stmpathetic trunks

31
Q

Walls of bladder are composed of (muscle)

A

Detrusor muscle

32
Q

Muscle at the neck of the male bladder which contracts to prevent retrograde ejaculation of semen into the bladder during ejaculation

A

Internal urethral sphincter

33
Q

Arterial supply of the bladder

A

Superior vesical aa. - anterosuperior partInferior vesical aa. - fundus and neck in malesVaginal aa. - posteroinferiorBranches of obturator and inferior gluteal aa.

34
Q

Rectosigmoid junction lies at level of __ vertebra

A

s3

35
Q

Shallow diamond-shaped area bounded perioherally by the pelvic outlet and deeply by pelvic diaphragm

A

Perineum

36
Q

Triangular musclofascial diaphragm in anterior part if perineum between ischiopubic rami, formed by sphincter urethrae and deep transverse perineal muscle; enclosed by perineal membrane inferiorly

A

Urogenital diaphragm

37
Q

Superficial perineal pouch between perineal fascia and perineal membrane

A

Superficial perineal pouch

38
Q

Muscle which empties the urethra or urine or semen and assist in erection of penis

A

Bulbospongiosus muscle

39
Q

Covers crura of the penis, maintains erection of penis by compressing outflow of veins

A

Ischiocavernosus muscle

40
Q

Deep space that is contained between thw superficial and deep layers of fascia

A

Deep perineal pouch

41
Q

Irregular mass coontaining collagenous, elastic fibers and both skeletal and smooth muscles; site of convergence and interlacing of fibers of muscles including bulbospongiosus, external anal sphincter, superficial and deep transverse perineal muscles

A

Perineal body

42
Q

Perineal fascia which is the continuation of the anterior abdominal wall containing a fatty and a membranous layer

A

Superficial perineal fascia

43
Q

Layer of superficial eprineal fascia containing colle’s fascia;Continuous with dartos fascia of penis and scrotumContinuous with the membranous layer of the subcutaneous tissue of abdomen

A

Membranous layer of superficial eprineal fascia

44
Q

Perineal which becomes buck’s fascia at the level of the penis

A

Deep perineal fascia (investing or gallaudet fascia)

45
Q

Collective name for female external genitalia

A

Vulva

46
Q

Blood aupply of vulva

A

Branches of external and internal pudendal arteries

47
Q

Alcock’s / pudendal canal

A

Anal/posterior triangle

48
Q

Nerve supply of the skin of psoterior triangle

A

Inferior rectal nerve

49
Q

Ischioanal fossa contains

A

Ischioanal fatPudendal nerveInferior rectal vessels

50
Q

Arterial supply of anal canal

A

Superior rectal artery-area superior to pectinate linaInferior rectal aa. -inferior to pectinate lineMiddle rectal aa. - anastamose with superior and inferior rectal aa

51
Q

Nerve supply to the anal anal superior to the pectinate line

A

Visceral innervation from the inferior hypogastric plexus

52
Q

Main nerve of the perineum and chief sensory to the external genitalia; anterior rami of sacral plexus (s2-s4)

A

Pudendal nerve

53
Q

The pudendal nerve leaves the pelvis via

A

Greater sciatic foramen

54
Q

3 branches of pudendal nerve

A

Inferior hemorrhoidal nerve: external anal sphincter and perianal skinPerineal nerve: muscle in urogenital triangle and skin in posterior surface of scrotumDorsal nerve to clitoris or penis

55
Q

Nerve supply of the levator ani muscles

A

4th sacral nerve and pudendal nerve