- Crus of penis
Crus of penis The constituent cavernous cylinders of the penis. (Crus labeled at bottom left.) Vertical section of bladder, penis, and urethra. (Crus penis labeled at bottom center.) Latin crus penis Gray's subject #262 1248 Lymph superficial inguinal lymph nodes
For their anterior three-fourths the corpora cavernosa penis lie in intimate apposition with one another, but behind they diverge in the form of two tapering processes, known as the crura, which are firmly connected to the ischial rami.
Traced from behind forward, each crus begins by a blunt-pointed process in front of the tuberosity of the ischium, along the perineal surface of the conjoined (ischiopubic) ramus.
Just before it meets its fellow it presents a slight enlargement, named by Georg Ludwig Kobelt (1804-1857) the bulb of the corpus cavernosum penis.
Beyond this point the crus undergoes a constriction and merges into the corpus cavernosum proper, which retains a uniform diameter to its anterior end.
Male reproductive system (TA A09.3–4, TH H3.07.02, GA 11.1236) InternalOtherAccessory
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