for the light microscopic study , the urinary bladder , the vas deferens and the penis ( corpora cavernosa and corpus spongiosum ) were studied in the rat , cat , dog , monkey and man using a glyoxylic acid ( ga ) method modified for peripheral adrenergic nerve fibers , and a thiocholine method for acetylcholinesterase ( ache ) .
C0030851
penis
C0227937
corpora cavernosa