gill lamellae
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gill lamellae — (MOLLUSCA: Bivalvia) Thin plates making up a gill … Dictionary of invertebrate zoology
gill lamella — (plural gill lamellae)) the transverse vertical platelet on the gill filament, through which capillaries run. The primary gill lamellae carry numerous fine layers called secondary lamellae which are the actual regions of respiration and excretion … Dictionary of ichthyology
gill bar — (MOLLUSCA: Bivalvia) Dorsoventral rodlike thickenings of a gill lamellae … Dictionary of invertebrate zoology
gill — jil n either of two units of capacity: a) a British unit equal to 1/4 imperial pint or 8.669 cubic inches b) a U.S. liquid unit equal to 1/4 U.S. liquid pint or 7.218 cubic inches gill gil n 1) an organ (as of a fish) for obtaining oxygen from… … Medical dictionary
gill sinusoid — the wide, thin walled capillaries found in the secondary lamellae on the gill filaments. They are short and have large lumina … Dictionary of ichthyology
bacterial gill disease — a disease caused by unfaourable environmental conditions which then allow an invasion by myxobacteria; fish show a lack of appetite and cannot school properly. The gills show clubbing and fusion of lamellae a myxobacterial infection of juvenile… … Dictionary of ichthyology
respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… … Universalium
bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… … Universalium
Lamella (zoology) — A lamella is a thin plate like structure, often one amongst many lamellae very close to one another, with open space between. Aside from respiratory organs, they appear in other biological roles including filter feeding, the traction surfaces of… … Wikipedia
cephalopod — /sef euh leuh pod /, n. 1. any mollusk of the class Cephalopoda, having tentacles attached to the head, including the cuttlefish, squid, and octopus. adj. 2. Also, cephalopodic, cephalopodous /sef euh lop euh deuhs/. belonging or pertaining to… … Universalium
