Can you identify the three cylindrical cavernous bodies corpora - a pair of corpora cavernosa , and the corpus spongiosum that surrounds the urethra, ending in the glans penis. Penile skin moves freely over the underlying tissues due to the loose hypodermis - can you identify this? Unless circumcised, it extends over the glans as the prepuce foreskin a retractable protective fold of skin. Can you identify the tough fibrous sheath, or tunica albuginea that surrounds each of the corpora?
Sexual intercourse | Zanzu
The Dorsal Artery of the Penis is a branch of the internal pudendal artery which ascends between the crus penis and the pubic symphysis , and, piercing the inferior fascia of the urogenital diaphragm , passes between the two layers of the suspensory ligament of the penis , and runs forward on the dorsum of the penis to the glans , where it divides into two branches, which supply the glans and prepuce. The dorsal arteries do give perforators to the corpora cavernosa, however their contribution to erectile function is inconsistent. Through retrograde flow they help supply the distal shaft skin. Additionally, they give branches to the circumflex arteries which supply the corpus spongiosum. The major clinical relevance is in the case of traumatic amputation of the penis, failure to perform re-anastomosis of the dorsal arteries leads to skin loss. On the penis, it lies between the dorsal nerve and deep dorsal vein , the former being on its lateral side.
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Just hold on for one second while we crash a wrecking ball into your childhood and any positive associations you might have had with the cute animal we all know as turtles. You'll notice, watching the various trailers and footage for this weekend's "Teenage Mutant Ninja Turtles," that the camera rarely wanders below our reptilian heroes' hypothetical navels. Turtles don't have belly buttons either.