Anatomy Flashcards

1
Q

what forms the pelvic inlet

A

sacral promontory, SIJs, iliopectineal line, pubic rami, pubic symph

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2
Q

conjugates -

A

true
obstetric
diagonal

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3
Q

pudendal nerve arises from

A

anterior rami of S2, 3 and 4

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4
Q

Pudendal nerve leads to

A

branch - inferior rectal

terminal - dorsal branch of the clitoris, perineal

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5
Q

pelvic splanchnic nerves arise from

and control

A

arise from ventral primary rami of S2-4

control micturition, defecation and erection

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6
Q

rectal plexus from..

A

posterior division of the hypogastric plexus

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7
Q

ilioinguinal nerve derived from

branches

A

L1

anterior labial nerve - vulval skin

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8
Q

Pudendal veins drain to

A

Internal -> internal iliac

External -> great saphenous

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9
Q

sciatic nerve arises from:

A

L4-S3

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10
Q

Tibial nerve from:

A

L4-S3 (anterior)

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11
Q

Femoral nerve from:

A

L2-L4

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12
Q

Anal canal cell types and arterial supply

A

Upper two thirds - cuboidal and superior rectal artery
Lower third - squamous non-keratin. inferior rectal
Pectinate line /dentate line between these

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13
Q

Hilton’s line

A

Keratinised to non-keratinised squamous at anal opening - white line

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14
Q

which muscle has fibres which connect with the internal anal sphincter

A

pubococcygeus

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15
Q

blood supply to the bladder

A

superior and inferior vesicle arteries - branches of the trunk of the internal iliac

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16
Q

nerves to bladder

A

detrusor S2-S4 but mainly S3. mostly parasympathetic from the hypogastric plexus and splanchnic nerves

17
Q

coatings on testicle

A

tunica albuginea, then tunica vaginalis

18
Q

Length of a ureter

A

25cm long

19
Q

length of a vagina - and anterior and posterior portions

A

10cm long
anterior 7cm
posterior 9 cm

20
Q

cell types of vagina

A

non-keratinised stratified squamous.

21
Q

blood supply of vagina

A

superior - uterine artery
middle to inferior - vaginal artery

vein: vaginal artery

22
Q

Lymph drainage of vagina

A

Superior - internal iliac nodes

Inferior - inguinal nodes (superficial)

23
Q

Blood supply of urethra

A

upper third - pudendal artery (same as bladder)

lower two thirds - vaginal artery (same as clitoris and anterior vaginal wall)

24
Q

Adrenal glands - 4 zones

A

CORTEX

  1. zona glomerulosa - mineralocorticoids
  2. z fascilulata - glucocorticoids
  3. z reticularis - androgens

GMFGRAMA

Medulla - adr/noradr

25
Q

Inguinal ligament landmarks
deep ring
superficial ring

A

ASIS to pubic tubercle
deep ring : 1/2 inch above mid point of ligament
superficial ring: 1cm sup/lat to pubic tubercle

26
Q

contents of inguinal canal

A

round ligament, branch of genitofemoral nerve, ilioinguinal nerve

27
Q

boundaries of fem triangle

contents

A

superior: inguinal ligament
medial: medial border or adductor longus
lateral: sartorius
floor: adductor longus

femoral nerve, artery, vein, fat and lymph

28
Q

Femoral sheath

A

artery, vein and lymph

nerve is lateral