4 Collum glandis. Neck ofglans. Constricted portion behind the corona. A
5 Prepuce (foreskin) of penis. Preputium penis. Double layer ofskin over the glans. A
6 Frenulum of prepuce. Frenulum preputii. Reflected fold passing from the prepuce to the underside of the glans. A
17 Raphe penis. Seam on the skin on the underside ofthe penis that forms during development. B
8 Corpus cavernosum penis. Cavernous body divided into two halves by the septum of the penis. AB D
9 Corpus spongiosum penis.Cavernousbodysur-
rounding the urethra. AB D
10 Bulb of penis. Bulbus penis. Posterior thickened end of the corpus spongiosum. D
11 Tunica albuginea of corpora cavernosa. Tunica albuginea corporum cavernosorum. Tough connective tissue covering of the corpora cavernosa. B
12 Tunica albuginea of corpus spongiosum.
Tunica albuginea corporis spongiosi. Less firm connective tissue covering of the corpus spon-giosum. B
13 Septum of penis. Septum penis [[septum pec-tiniforme]]. Pectinate partition between the right and left corpus cavernosum. Gaps are present. B
14 Trabeculae corporum cavernosorum. Connec-tivetissuetractswithinthecorporacavernosain-terspersed with smooth muscle. A B D
15 Trabeculae corporis spongiosi. Connective tissue tracts within the corpus spongiosum interspersed with smooth muscle. B
16 Cavernae corporum cavernosorum. Wide-meshed, blood-filled spaces within the corpora cavernosa. B D
17 Cavernae corporis spongiosi Blood-filled, finely meshed spongy network within the corpus spongiosum. AB
18 Helicine arteries. Arteriae helicinae. Coiled branchesofthe deep artery of the penis. D
19 Cavernous veins. Vena cavernosae. Dilated veins in the cavernous bodies.
20 Superficial fascia of penis. Fascia penis superfi-cialis. Delicate subcutaneous fascia with individual smooth muscle fibers, continuous with the tunica dartos of the scrotum. B
21 Deep fascia of penis. Fascia penis profunda. Deeper, somewhat tougher fascia surrounding the three cavernous bodies. B
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