. The American journal of anatomy. Fig. , C. M. Jackson 75 extending in from the tunica albuginea (Fig. 4). The appearance ofthe corpora cavernosa in this region is in striking contrast to that ofthe corpus spongiosum, especially in injected specimens. Still morestriking is the appearance of a specimen stained with osmic acid, inwhich the corpora cavernosa are stained jet black. Passing from thedistal extremity, the corpora cavernosa gradually enlarge, and becomemore fibrous and vascular. The vessels are irregular venous channels,best developed in the center of each corpus, so that the adipose
. The American journal of anatomy. Fig. , C. M. Jackson 75 extending in from the tunica albuginea (Fig. 4). The appearance ofthe corpora cavernosa in this region is in striking contrast to that ofthe corpus spongiosum, especially in injected specimens. Still morestriking is the appearance of a specimen stained with osmic acid, inwhich the corpora cavernosa are stained jet black. Passing from thedistal extremity, the corpora cavernosa gradually enlarge, and becomemore fibrous and vascular. The vessels are irregular venous channels,best developed in the center of each corpus, so that the adipose tissue. Fig. 3. Cross-section tbrough irlaiis penis of a cat, near external meatus, vesselsinjected. x 40. Stained with haematoxylin. ep, epidermis; ur, urethra; o, stripof epithelium connecting urethra with surface epithelium; sp, superficial integu-mentary plexus of vessels; dp, deep venous plexus, forming the cavernous tissue ofthe glands; op, os penis. I appears to become gradually crowded toward the periphery (Fig. 5).Toward the base of the penis the cavernous tissue increases steadily inamount, and the adipose tissue correspondingly decreases. In theproximal third, as a rule, a very slight amount of adipose tissue ispresent in the form of a few groups of fat cells, forming an imperfectperipheral layer, especially on the ventral side. Adipose tissue is neveientirely absent. The cavernous tissue in this region is composed oftypical irregular venous spaces, separated by fibrous trabeculge in whichthe smaller arteries enter. The cavernous tissue diifers from that of 76 Corpora Cavernosa in
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1901
