Penis

The external reproductive organ of males. It is composed of a mass of erectile tissue enclosed in three cylindrical fibrous compartments. Two of the three compartments, the corpus cavernosa, are placed side-by-side along the upper part of the organ. The third compartment below, the corpus spongiosum, houses the urethra.

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Tree Number(s): A05.360.444.492

MeSH Unique ID: D010413

Entry Terms:

• Glans Penis
• Penis, Glans

All MeSH Categories
Anatomy Category
Urogenital System
Genitalia
Genitalia, Male
Penis
Foreskin
Urethra