Ameloblastoma

Part of speech: noun

Definitions

1. A rare benign neoplasm developing from the enamel-forming cells in the jaws, which may result in local bone damage
2. This formation is a non-malignant tumor that emerges from the cells responsible for enamel production, potentially leading to dental issues
3. A non-cancerous tumor originating from the enamel-producing cells in the jawbone, which can cause localized destruction of surrounding tissues

Etymology: Ameloblastoma is a compound built from two Greek-derived parts, and the first is a quiet clue to its meaning. "Amelo-" comes from the Greek "amelos", meaning "without limb," a usage that in medical Latin and Greek terminology became attached to enamel, the hard outer layer of teeth, through the "ameloblast," the cell that produces enamel. "Blastoma" is a modern tumour-forming suffix built on the Greek "blastos," meaning "germ" or "sprout," which in pathology denotes a growth arising from primitive or embryonic-type tissue. Put together, the name describes a tumour that grows from the cells responsible for making enamel. Because these cells are part of the tooth-forming tissue of the jaw, the growth tends to arise there, and although it is benign, it can expand slowly enough to erode the surrounding bone.