Anatomy Repro Flashcards
what type of joint is the sacroiliac joint?
synovial
what type of joint is the PS joint?
secondary cartilaginous
what is the action of the obturator internus and piriformis?
external rotation (+ abduction)
what is the action of the coccygeus? innervation?
pulls coccyx forward after defectation
pudendal
two functions of the pelvic diaphragm/floor?
support pelvic viscera
maintain continence
branches of what distribute most of the blood to the pelvic organs?
right and left internal iliac artery
what is the drainage of the rectum?
upper 2/3 into portal circulation
lower 1/3 into systemic circulation
what does the ilioinguinal nerve supply and what is it’s origin?
skin at root of penis and labia
L1 (superficial inguinal ring)
where does the genitofemoral nerve originate?
L1-2 (deep inguinal ring)
what structures in male are supplied by the genital branch of the genito-femoral nerve?
cremaster and scrotal skin
reflex
what supplies the vas deferens, prostate and epididymis in males?
sympathetic fibres from L1/2 via the hypogastric plexus
what innervates erectile tissue in male and female?
parasympathetic fibres from S2-4 via the hypogastric plexus
what can happen if the pudendal nerve is damaged?
failure of ejaculation
what are the main contents of the spermatic cord?
pampiniform plexus
testicular artery
vas deferens
what are the two layers of the tunica vaginalis? what material is present between them?
visceral and parietal lamina
mesothelial cells