immature teratoma

Pronunciation: (IH-muh-CHOOR TAYR-uh-TOH-muh)

A rare type of germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs). Immature teratomas often contain several different types of tissue such as hair, muscle, and bone.

Source: NCI Dictionary of Cancer Terms

2006-04-14 Date last modified: 2011-10-05