Mesocoracoid - A

A

• Abdomen: belly
• Abdominal: pertaining to the belly
• Actinosts: a series of bones at the base of the pectoral rays.
• Acuminate: tapering gradually to a point
• Acute: sharp, pointed
• Adipose fin: a small fleshy fin which lacks fin rays.
• Adnate: joined together
• Adpressed: pressed against the body
• Anal fin: the fin on the median line behind the vent
• Anal fin origin: the most anterior point of the anal fin base
• Andropodium: a modification of the anal fin of males of certain live-bearing species in the family Goodeidae. It is used to transfer reproductive products to the female during mating.
• Ankylosed: grown firmly together
• Anterior: relating to the front portion
• Antrose: turned forward
• Approximate: placed close together
• Asperity: roughness of surface
• Asymmetrical: without symmetry
• Attenuate: tapering to a point, usually in reference to a tail
• Axillary: pertaining to the axilla or upper angle of the pectoral fin
• Axillary process: an enlarged, pointed scale projecting from the insertion of the pectoral or pelvic fin.)