Quiz 5 Flashcards
Levantar ani is made up of
Puborectalis m
Pubococcygeus m
Iliococcygeus m
What structures pierce the pelvic diaphragm
Rectum + Urethra in males
Rectum, urethra, vagina
Openings of the ureterrs into the bladder
Ureteric orfices
Inferior angle of the trigone marks what
Marks the beginning of the urethra, known at the internal urethral meatus
Umbilical a
Proximal part is patent (blood flows thru)
Distal part is UMBILICAL LIGAMENT
Superior vesicle arteries
Several
Branches OF UMBILICAL ARTERIES
Internal pudendal a
Exits the pelvis through the greater sciatic foramen, winds around sacrospinous ligament, and passes thru lesser sciatic foramen to enter the perineum
Superior gluteal a
Usually from posterior division of internal iliac a
Pudendal nerve (S2-S4)
Follows course of internal pudendal a
Innervates muscles of pelvic diaphragm
Ends as dorsal nerve of the penis or clitoris
Parasympathetic innervation is from
the pelvic splanchnic nerves (S2-S4)
Sympathetic innervation is from
Sacral sympathetic ganglia via the sacral splanchnic nerves
Principal source of seminal fluid
Seminal vesicles
What forms the ejaculatory duct
Ampulla of the ductus deferens joins the duct of the seminal vesicle
Vaginal fornices
Recesses around the lateral, anterior and posterior surfaces of the cervix
Mesosalpinx
Mesentery attaching to the uterine tubes
Mesovarium
Mesentery attaching to the ovary
Mesometrium
Mesentery attaching to the body of the uterus
What maintains the 90 degree angle of the rectum
Puborectalis m
How many rectal valves? Where
3
2 on LEFT
1 on RIGHT
What does middle rectal vein drain into
Internal iliac vein
Inferior rectal vein drains into
Internal pudendal vein
What structures can be palpates in rectal exam in male
Prostate gland and seminal vesicles
Above Pectinate line
Blood supply: superior and middle rectal arteries
Innervation: visceral (autonomic) motor and sensory nerves
