Aboral
Aboral
Aboral (pronounced: /æbˈɔːrəl/) is a term used in anatomy and zoology to describe a position that is opposite to or away from the mouth. The term is derived from the Latin words 'ab', meaning 'away from', and 'os', meaning 'mouth'.
Etymology
The term 'Aboral' is derived from the Latin 'ab-', a prefix meaning 'away from', and 'os', the Latin word for 'mouth'. It is used in anatomical nomenclature to denote a position that is farther from the mouth.
Usage
In anatomy, the term 'Aboral' is used to describe a position that is away from or opposite to the mouth. For example, in a gastrointestinal tract, the aboral end is the end that is farthest from the mouth.
In zoology, 'Aboral' is used to describe the surface of a radially symmetrical animal, such as a starfish or jellyfish, that is opposite the mouth. The aboral surface is typically the upper surface, facing away from the substrate.
Related Terms
- Oral: Pertaining to the mouth; opposite of aboral.
- Anterior: Situated before or at the front of; opposite of posterior.
- Posterior: Situated behind or at the rear of; opposite of anterior.
- Dorsal: Pertaining to the back or upper surface of an organism; opposite of ventral.
- Ventral: Pertaining to the underside or lower surface of an organism; opposite of dorsal.
See Also
External links
- Medical encyclopedia article on Aboral
- Wikipedia's article - Aboral
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