Hints for Slide CRR 04.  

General hints for all slides.

SAQ Slide Index.

Hopefully, you have recognized that the bulk of this specimen consists of skeletal muscle, with individual fibers cut in cross section. You should also be able to find some nerves within the specimen.  (There is even a muscle spindle.)   The two long surfaces of this specimen are covered by serous membranes (i.e., mesothelium supported by connective tissue). Mesothelium is very delicate, easily damaged by handling.  It is only visible here and there along these surfaces.   Note that cross-sectioned muscle fibers of this specimen indicate that the shape of this muscle is a flat sheet (rather than, say, a tapered cylinder).   Where in the human body can you find a sheet of skeletal muscle with a serosal surface on either side? (Hint:  It helps with breathing.) No more hints.

 

Comments and questions: dgking@siu.edu

SIUC / School of Medicine / Anatomy / David King

http://www.siumed.edu/~dking2/crr/SAQcrr04.htm
Last updated:  13 September 2005 / dgk