Anatomy Flashcards
Spinal level of innervation to sigmoid colon
T12 / L1 (hindgut embryological origin)
Drainage of right ovary
Inferior vena cava
Narrowest part of male urethra
Membranous urethra
Which area of the hypothalamus releases vasopressin, somatostatin, oxytocin, thyrotropin releasing hormone, and corticotropin releasing hormone?
Paraventricular nucleus
3a tear involves..?
Laceration extending roughly 1/4 into external anal sphincter
What is the innermost layer of the testis?
Tunica vasculosa
Which spinal level innervates the anal sphincters?
S4 for both internal and external
Into what does the inferior mesenteric vein drain?
Splenic vein
Average oblique diameter of pelvic inlet
12cm
Ureteric epithelium is made of what kind of cell?
Transitional
5 contents of femoral triangle
Femoral nerve (and terminal branches)
Femoral sheath
Femoral artery (and branches)
Femoral vein (and contributories including SFJ)
Deep inguinal LN
What type of joint is pubic symphisis
Secondary cartilagenous
Innervation of bladder
Peeing:
Parasympathetic S2 - S4
Not peeing:
Sympathetic T10 - L2
Innervation of midgut
T10 / T11
5 structures contained within broad ligament
FOOUR
Fallopian tubes
Ovarian artery
Ovarian ligament
Uterine artery
Round ligament
Vaginal artery arises from which contributory artery?
Internal iliac
Uterine artery arises from which contributory artery?
Internal iliac
Anatomy of detrusor muscle
3 layers
Inner + outer layer = longditudinal smooth
Middle layer = circular smooth
Testicular artery origin
Aorta
Levator Ani blood supply
Inferior gluteal artery
Innervation of levator ani
Spinal root S3/S4 keeps pee and poo off the floor
Nerves required to allow detrusor contraction
Parasympathetic
S2 S3 S4
Midgut arterial supply
SMA
Foregut arterial supply
Coeliac trunk
Hind gut arterial supply
IMA
What type of joint is the sacroiliac joint
Synovial
Ureter epithelium
Columnar
Bladder epithelium
Transitional
Blood supply to jejunum
SMA
Which artery feeds the posterior scrotal artery?
Internal Pudendal
Autonomic supply to ureters from which spinal levels
T11 - L2
Spinal level of genitofemoral nerve
L1-L2
Spinal level that innervates testes
T10
Which nerve passes through the inguinal canal?
Ilioinguinal nerve
Which artery feeds anterior scrotal artery
External pudendal
Lymph drainage of cervix
External Iliac
Nerve supply to anterior area of labia
Ilioinguinal nerve
How many lobes per breast on average in human women
15-20 lobes
Spinal level of pudendal nerve
S2 S3 S4
Arterial supply lower 1/3 of rectum
Middle rectal artery
Medial border of femoral triangle
Adductor longus
Which ligament(s) attach vagina and cervix to pelvic wall
Cardinal
Uterosacral
Lymph drainage of fallopian tube
Para aortic LN
Normal bladder capacity when full
400-600mL
Middle rectal artery is a branch of the…
Internal iliac artery
Where in the brain is the hypothalamus?
Diencephalon
Epithelium of endometrium
Columnar
The plane of the pelvic inlet is at what angle to the horizontal?
60
Which spinal segment is ilioinguinal nerve from?
L1
What are the branches of the pudendal nerve in women?
Dorsal nerve of clitoris
Perineal
Inferior rectal
Lymph drainage of lower vagina
Inguinal LNs
Innervation of internal anal sphincter
Splanchnic
Lymph drainage of bladder
External, internal, common iliac LNs
Autonomic supply to uterus
T11-L2
Lymph drainage distal rectum
Internal iliac
Lymph drainage cervix
Internal iliac
Epithelium of vagina
Stratified squamous
(non keratinising)
Contents of medial umbilical fold
Umbilical artery obliterated - becomes medial umbilical ligament
Which anatomical space contains external urethral sphincter?
Deep perineal pouch
