- external gills
- Fisheriesபுறச் செவுள்கள்; வெளிச் செவுள்கள்
English-Tamil dictionary. 2014.
external gills
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External gills — are the gills of an animal, most typically an amphibian, that are exposed to the environment, rather than set inside the pharynx and covered by gill slits, as they are in most fishes. Instead, the respiratory organs are set on a frill of stalks… … Wikipedia
Gills Bay — Gills Bay, which is situated some 3mls. (5k.) West of John o Groats with the community of Gills close by, has one of the longest stretches of low lying rock coast on the northern shores of Caithness. Its main features are a small harbour and the… … Wikipedia
Gills Rock, Wisconsin — Gills Rock is an unincorporated community located on Highway 42 at the very northern tip of the Door Peninsula in Door County, Wisconsin, United States. It is within the town of Liberty Grove and was formerly known as Hedgehog Harbor. HistoryThe… … Wikipedia
external respiration — n. exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms: cf. INTERNAL RESPIRATION * * * … Universalium
external respiration — n. exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms: cf. INTERNAL RESPIRATION … English World dictionary
caudal gills — (ARTHROPODA: Insecta) In Odonata, the three external gills extending from the end of the body of zygopteran larvae … Dictionary of invertebrate zoology
Artificial gills (human) — Artificial gills are devices that exist in science fiction, and being developed in reality, to extract oxygen dissolved in water, thus allowing humans to survive underwater.It is generally thought that they would be unwieldy and bulky, because of … Wikipedia
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
Caudata — ▪ amphibian order Introduction also called Urodela, one of the major extant orders of the class Amphibia. It includes salamanders (salamander) and newts (newt). The relatively small and inconspicuous salamanders are important members of… … Universalium
Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… … Wikipedia
Temnospondyli — Temnospondyls Temporal range: Early Carboniferous Early Cretaceous, 330–120 Ma Possible descendant taxon Lissamphibia survives to present … Wikipedia
