Anatomy: Male reproductive system NOT FINISHED

Question 1

perineum

Answer 1

located between the thighs
most inferior part of the pelvic outlet
separated from the pelvic cavity by the pelvic floor superiorly
contains sutrcutres supporting urogenital and gastrointestinal systems
diamond shaped

Question 2

surface and anatomical borders of the perineum

Answer 2

Question 3

splitting the perineum via transverse line between the ischial tuberosities

Answer 3

2 triangles
anterior urogenital
posterior anal

Question 4

contents of the anal triangle

Answer 4

Question 5

contents of the anterior urogenital triangle

Answer 5

Question 6

perineal body

Answer 6

irregular fibromuscular mass
central point of perineum
contains skeletal, smooth, collagenous and elastic muscle fibres

Question 7

nerve supply to the perineum

Answer 7

pudenal nerve S2-4
internal pudenal

travel along the inner surface of ischial tuberosities through Alcocks canal

Question 8

what are the 2 groups of pelvic floor muscles

Answer 8

anterior group= levator ani
posterior group= coccygeus

Question 9

what innervates muscles of the pelvis floor

Answer 9

S2-4

Question 10

function of the pelvic floor muscles

Answer 10

maintain fecal contents
support pelvic viscera
resist intra-abdominal pressure

Question 11

contents of the levator ani group

Answer 11

puborectalis
pubococcygeus
ileococcygeus

Question 12

puborectalis

Answer 12

originates from the ischiopubic bone
pass posteriorly
converge with fibres of contralateral muscles of the anal sphincter
sling around anus at the anal rectal junction to form the anal-rectal angle