髓樣瘤
Encephaloid \En*ceph"a*loid\, a. [Gr. ? + -oid.] Resembling the material of the brain; cerebriform. {Encephaloid cancer} (Med.), a very malignant form of cancer of brainlike consistency. See under {Cancer}. Encephaloid \En*ceph"a*loid\, n. An encephaloid cancer.