Anatomy Flashcards
Structure lateral to internal iliac artery
Ureter
Lateral border of ischiorectal fossa
Obturator internus fascia
Structure which runs under the inguinal ligament on the medial side of the ASIS
Lateral cutaneous nerve of the thigh
Appendicular artery is a branch of which artery
Ileocolic (posterior caecal)
Structures leaving through the lesser sciatic foramen
Internal pudendal artery and vein, obturator internus tendon nerve to obturator internus, pudendal nerve
Level of bifurcation of the aorta
L4
The inferior vena cava originates from the common iliac veins at the level of
L5
Which nerve arises from ventral rami of lumbar plexus and emerges from the medial border of psoas major muscle?
Obturator nerve
Which nerve pierces the internal oblique muscle and passes through the inguinal canal?
Ilio-inguinal
The level at which the ovarian artery arises from the descending aorta
L2
Crosses the floor of the ovarian fossa
Obturator nerve and ureter
Forms the medial wall of the ischio-rectal fossa
Anal canal and levator ani muscles
Contents of ischiorectal fossa
pudendal nerve and internal pudendal vessels within the pudendal canal on the lateral wall
Blood supply to Bartholin’s gland
External pudendal artery (branch of the femoral artery)
Blood supply to mons pubis
Inferior epigastric artery
Innervation of external genitalia
Pudendal nerve (S2-S4)
Nerve supply to ischiorectal fossa and anal area
Inferior rectal nerve
Innervation of medial and lateral aspects of vulvar skin
Ilioinguinal (L1) and genital branch of genitofemoral (L1-2) respectively
Post-ganglionic sympathetic fibres supplying the urinary bladder originate from
The inferior mesenteric ganglion
Pre-ganglionic sympathetic fibres supplying the urinary bladder originate from
T10 – L2 spinal cord segments
The dorsal nerve of the clitoris is a terminal branch of the
Pudendal nerve
Which artery supplies the anorectal canal superior to the pectinate line?
Inferior mesenteric artery
boundary between endodermal and ectodermal origin of anal canal
Dentate line
Lowest platelet count to allow epidural
80
Contents of the femoral triangle
Femoral nerve and terminal branches.
Femoral sheath.
Femoral artery and branches.
Femoral vein and its proximal tributaries inc SFJ
Deep inguinal lymph nodes & lymphatic vessels
Narrowest part of male urethra
Membranous urethra
Borders of the femoral triangle
Superior: Inguinal ligament
Medial: Medial border of the adductor longus
Lateral: Medial border of the sartorius
Floor: Pectineus, Adductor longus and Iliopsoas muscles
Roof: Fascia Lata
Branches of the pudendal nerve
Dorsal nerve of clitoris/penis
Perineal nerves
Inferior rectal nerve
Typical number of lobes per breast
15-20
Arterial supply to testis
Testicular arteries (branch of aorta)
Cremasteric artery (branch of inferior hypogastric)
Artery to vas deferens (branch of internal iliac)
The hypothalamus is located in which part of bart of the brain
Diencephalon
Inferior hypogastric plexus parasympathetic components come from which three nerve roots
S2-4 (pelvic splanchnic nerves)
Another name for Bartholin’s gland
Greater vestibular gland
Blood supply of pelvic ureter
Superior and inferior vesical arteries
Blood supply to abdominal ureter
Renal artery, ovarian artery and aorta
Lymphatic drainage of bladder, urethra, fallopian tubes, uterine fundus, cervix
Bladder: external iliac
Urethra: internal iliac
Fallopian tubes and fundus: external iliac, superficial iliac nodes (via round ligament)
Cervix: external, internal iliac, rectal and sacral nodes
Which testicular cells are located outside the blood/testis barrier?
Leydig cells
What type of cells are sertoli cells?
Tall columnar
The layer between theca cells and the mural granulosa?
Basal lamina
Artery supplying the portal system between the hypothalamus and the anterior pituitary
Superior hypophyseal artery
Which pelvic muscle is the sacrospinous ligament part of?
Coccygeus
Which muscle does the deep part of the external anal sphincter blend with?
Puborectalis
Nerve roots that supply the levator ani
S3 and S4
What is the dermatome at the level of the transverse suprapubic incision?
L1
Which nerve pierces the psoas major muscle?
Genitofemoral
Arterial supply to rectum and anal canal
Upper 2/3 rectum = superior rectal artery (branch of IMA)
Lower 1/3 rectum = middle rectal (branch of internal iliac)
Anal canal = inferior rectal (branch of internal pudendal)