Mesocoracoid - M

M

• Maxilla, Maxillary: the upper jaw, or pertaining thereto
• Maxillae, Maxillaries: the hindmost bones of the upper jaw; preceded by the premaxillaries
• Median, medially: pertaining to the middle
• Median fins: fins located on the median line of the fish; the dorsal, anal and caudal fins
• Mediolateral: between the middle and the sides
• Mesocoracoid: a bone of the pectoral arch or shoulder girdle
• Mesopelagic: refers to the region of the open ocean between 200 m and 1000 m in depth
• Mesopelagic fishes: fishes that live in the mesopelagic zone
• Midwater: the middle stratum of water, well below the surface and well above the seabed. See also mesopelagic.
• Midwater fishes: fishes that live in the midwater
• Molars: blunt and rounded grinding teeth
• Morphology: form and structure of an organism
• Muciferous: producing or containing mucous or slime
• Myotomes: blocks of lateral trunk muscles