Steeplechase Flashcards
Urinary bladder innervation:
Sympathetic nerve: Hypogastric nerve (T12-L2)
Parasympathetic Nerve: Pelvic Splanchnic nerve/nervi engentes (S2-S4)
Somatic Nerve: Pudendal Nerve(S2-S4)
Urinary bladder blood supply:
Superior part
Inferior part
Superior part:
Superior vesicular artery( from internal iliac artery)
Inferior part:
Inferior vesicular artery(in males)
Vaginal artery(in females)
Urethra blood supply in males:
Prostatic and pre-prostatic urethra by Inferior Vesical Artery from IIA
Membranous urethra- bulbourethral Artery- branch of internal pudendal artery
Spongy/Penile urethra- branches of internal pudendal artery
Urethra blood supply in females:
Internal pudendal arteries
Vaginal arteries
Inferior vesical artery of vaginal arteries
Prostate gland blood supply:
Middle rectal arteries
Prostatic arteries
Internal pudendal arteries
Prostate gland venous drainage:
Prostatic venous drainage
Prostatic gland innervation:
Sympathetic: Hypogastric Nerve
Parasympathetic: Pelvic Splanchnic Nerve
Blood supply to penis:
From Internal Pudendal Artery:
Dorsal artery of penis
Deep(cavernous) Artery of the penis
Bulbourethral Artery/Artery of the bulb
From External Pudendal Artery(Femoral Artery):
Superficial Dorsal Arteries
Venous drainage of penis
Deep Dorsal Vein of penis
Superficial Dorsal Veins
Innervation of Penis:
Parasympathetic Nerve(S2-S4)
Sympathetic Nerve (T11-L2): Dorsal Nerve of Penis
Somatic: Pudendal Nerve, Dorsal Nerve of Penis
Innervation to rectum:
Pelvic plexus- from inferior Hypogastric plexus
Sympathetic fibres: through superior Hypogastric nerves- lumbar Splanchnic nerve (L2-L4)
Parasympathetic fibres: Pelvic Splanchnic Nerve (S2-S4)
Blood supply to rectum:
Superior rectal arteries
Middle rectal arteries
Inferior rectal arteries
Median sacral artery
Innervation to skin around anus:
Inferior rectal nerve of pudendal nerve
Blood Supply to scrotum:
Anterior scrotal Artery
Cremasteric Artery
Posterior scrotal artery
Venous drainage of scrotum:
Scrotal veins- external pudendal nerves