Thursday, June 19, 2008

14 - superficial and deep perineal muscles

several questions are asked in this topic, so u gotta be thorough with them. recently a question was asked in the DNB CET june 2008 related to this topic and the question was as follows ;

question : which of the following is not a superficial perineal muscle ?

a. superficial transverse perinei
b. ischiocavernous
c. bulbospongiosus
d. sphincter urethrae

answer : d . sphincter urethrae .

so lets study the perineal muscles .

The superficial perineal muscles are three in number , they are :

1. superficial transverse perinei
2. bulbospongiosus
3. ischiocavernosus

The deep perineal muscles are two in number , they are ;

1. deep transverse perinei
2. sphincter urethrae

( there is an important point which u have to remember when u are answering questions related to this particular topic. most of these questions have ILIOCOCCYGEUS and PUBOCOCCYGEUS in them, these two are together called the LEVATOR ANI , which is a pelvic muscle and not a perineal muslce. it constitutes the pelvic diaphragm. so remember that iliococcygeus or pubococcygeus or levator ani , any of these are neither superficial nor deep perineal muscles ).

if u wanna have a look at the other anatomy mcqs asked in DNB june 2008 session. click here . the same site provides DNB JUNE 2008 session mcqs of other subjects too.

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