“glans penis”造句，怎麼用glans penis造句

An abnormal constriction of the foreskin that prevents it from being drawn back to uncover the glans penis.

"Three long columns of tissue extend through its length, covered by elastic tissue and a thin layer of skin. One expands at the tip into a mushroom-shaped structure (glans penis) and contains the urethra (see urinary system), which ends in a slitlike opening."