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Anatomy Exam 2 > Anatomy (Pelvis) > Flashcards

Anatomy (Pelvis) Flashcards

1
Q

False vs True Pelvis

A

False - (greater pelvis) above pelvis inlet

True - (lesser pelvis) between pelvic inlet & outlet

  • Rectum goes from Flase to True across Inlet
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2
Q

Pelvis Outlet

A
  • Keeps organs from squirting out of pelvis
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3
Q

Male vs Female Pelvis

A

Inlet - Heart (male) vs Oval (female)

Outlet - Narrow (male) vs Rounded (female)

Cavity - Cone (male) vs Column (female)

Subpelvic Angle - Less broad like 2nd & 3rd fingers vs More broad like 1st & 2nd fingers

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4
Q

Obstetric (true) vs Diagonal Conjugate Lines vs Midpelvic (transverse) Diameter

A

Obstertric - from sacral promontory to pubic symphysis & 2cm shorter than diagonal due to width of pubic symphysis

Diagonal - from sacral promontory to inferior aspect of pubic symphysis & measured with fingers

Midpelvic - between ischial spines & shortest

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5
Q

Perineal Body

A
  • Anchoring strucutre that stuff attaches to so no organs prolapse
  • Between anterior & posterior gap
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6
Q

Pelvic Diaphragm & Its Deficits

A
  • Closes off most of the pelvic outlet
  • Deficits allow passage of urogenital & digestive structures into perineum
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7
Q

Systems from Anterior to Posterior in Pelvis

A
  • Urinary
  • Reproductive
  • Digestive
  • True for males & females
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8
Q

Anal Canal

A
  • Passes pelvic diaphragm
  • In perineum, not pelvis
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9
Q

Blood Supply for Perineum

A
  • Internal Pudendal Artery
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10
Q

Superior vs Middle vs Inferior Rectal Vein Drainage

A

Hepatic Portal Venous System - Superior

Internal Iliac into Inferior Vena Cava - Middle & Inferior

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11
Q

Parasympathetic vs Sympathetic Innervation of Rectum

A

Parasympathetic - preganglionic fibers from S2, S3, S4 to postganglionic fibers in organ wall

Sympathetic - preganglionic fibers from IML to internal anal sphincter & prevertebral ganglion in lumbrosacral plexus

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12
Q

Anal Canal Innervation

A
  • Somatomotor & somatosensory
  • Pudenal nerve innervates anal canal & external anal sphincter
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13
Q

Controlling Defication (3)

A

Internal anal sphicter - smooth muscle controlled by sympathetic NS

External anal sphincter - skeletal muscle controlled by pudendal nerve

Puborectalis muscle - contracts to kink rectum

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14
Q

Female vs Male Ureter

A

Female - crossed superiorly by uterine artery

Male - crossed superiorly by ductus deferens

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15
Q

Trigone

A
  • only portion of interior bladder walls with smooth muscle
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16
Q

Location of Empty vs Full Bladder

A

Empty - within true pelvis

Full - balloons into abdominal cavity

17
Q

Ureters Orientation & Function

A
  • Enters bladder obliquely
  • Prevents back flow of unrine during bladder contraction
18
Q

How to Fill vs Empty Bladder

A

Filling - detrusor muscle relaxes & sympathetic fibers contract the internal urethral sphincter

Emptying - visceral afferent fibers carry bladder stretch information to S2, S3, S4, parasympathetic fibers contract detrusor muscle & internal urethral sphincter

19
Q

Atonic vs Spastic Bladder

A

Atonic - inability to empty bladder due to lesion of parasympathetic portion at S2, S3, S4

Spastic - inability to fill bladder due to lesion of sympathetic portion above sacral spinal nerves

20
Q

Male Urethra Divisions from Superior to Inferior

A
  • Prostatic
  • Membranous
  • Spongy
21
Q

Catheterization of Bladder Complication

A
  • Membranous urethra can rupture since it’s curved and surrounded by external urethral sphincter
22
Q

Sphincter Between Bladder & Prostate

A
  • Contracts to prevent semen from going into bladder
23
Q

Bulbourethral Gland

A
  • Sits in membranous urethra but deposits contents into spongy urethra
24
Q

Benign Prostatic Hypertrophy

A
  • Enlarged prostate prevents flow of urine through the prostatic urethra
25
Q

Rectouterine Space (4)

A
  • Most inferior part of female peritoneal cavity
  • Site to drain peritoneal cavity
  • Site to do transvaginal surgery without damaging organs
  • Site that can be breach peritoneal cavity accidentaly during abortions
26
Q

Anteverted vs Anteflexed Uterus

A

Anteverted - right angle to vagina in more inferior portion of uterus

Anteflexed- bent more towards vaginal in more superior portion of uterus

27
Q

Proper Ovarian Ligament

A
  • Attaches lower pole of ovary to uterus
  • Only provides structural support
28
Q

Uterine Tube Parts from Ovary to Uterus

A
  • Infundibulum
  • Ampulla
  • Isthmus
29
Q

Cervix Function

A

Plugs with mucus to close off uterus so fetus can live safely

30
Q

Broad Ligament

A
  • Peritoneum that drapes over both sides of the female reproductive structures
31
Q

Transverse Cervial Ligaments

A
  • Uterine artery & vein pass in this ligament

Anatomy Exam 2 (15 decks)

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