Blastoma

Part of speech: noun

Pronunciation: /blæstˈoʊmə/

Definitions

1. A type of cancer characterized by the rapid growth of immature cells, often affecting the tissues of organs such as the brain or kidneys
2. A malignant tumor that arises from primitive or developing tissues, commonly seen in children, and may occur in various locations in the body
3. A neoplasm that originates from embryonic stem cells, often leading to aggressive tumor growth in specific areas like the nervous system or soft tissues

Etymology: "Blastoma" is built from two Greek-derived pieces. The first, "blast-", comes from Greek "blastos," meaning a sprout, bud, or germ, and in medical usage it refers to an early, immature stage of living tissue. The second, "-oma," is the Greek suffix used to form names of tumors, as in "carcinoma" or "lymphoma." Joined together, the parts describe a growth built from primitive cells that have not yet matured into their final form. The "blast-" element is the same one found in "blastocyst," the early embryo, and in "meristem" and related plant terms, where it marks tissue still capable of producing new growth. The suffix "-oma" carries no inherent meaning beyond "tumor," so the word's sense rests almost entirely on the idea of immature, budding tissue. Medical writers used this pattern to name a whole family of cancers by the kind of cell they seemed to arise from.