Protuberance
Protuberance is a noun describing any part that bulges, extends, or projects outward from a surface. The word comes from Latin roots meaning to swell forward, and it is used across disciplines as a general, non-technical term for a visible outward extension or bump.
In anatomy and medicine, protuberances appear as anatomical landmarks or outgrowths. Examples include bony prominences such
In biology and microbiology, protuberances describe outward projections of cells. Amoeboid cells form pseudopods or other
In geology and geography, protuberances refer to projections of rock, soil, or landforms that extend beyond
In astronomy, protuberances or prominences are luminous extensions seen at the edge of the Sun, caused by
Overall, protuberance is a versatile descriptor for any outward projection or bump on a surface.