Definitions for gill slit
gill slit

Princeton's WordNetRate this definition:0.0 / 0 votes

1. gill slit, branchial cleft, gill cleftnoun

   one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes

WiktionaryRate this definition:0.0 / 0 votes

1. gill slitnoun

   An individual opening to gills, which lacks an operculum; characteristic of Cartilaginous fish such as sharks.

ChatGPTRate this definition:0.0 / 0 votes

1. gill slit

   A gill slit is an opening or aperture in the body of aquatic animals, such as fish and amphibians, through which water is taken in and expelled, facilitating the oxygen-carbon dioxide gas exchange essential for respiration. These real or virtual openings are typically located on the sides of the body or on the underside of the body and are connected to gills where the gas exchange mainly occurs.

WikidataRate this definition:0.0 / 0 votes

1. Gill slit

   Gill slits are individual openings to gills, i.e., multiple gill arches, which lack a single outer cover. Such gills are characteristic of cartilaginous fish such as sharks, and rays. Most of these have five pairs, but a few species have 6 or 7 pairs. Shark gill slits are not covered, but lie in a row behind the head. The anterior edge of a gill slit is motile, moving outward to allow water to exit, but closing to prevent reverse flow. This modified slit, called a spiracle, lies just behind the eye, which assists the shark with taking in water during respiration and plays a major role in bottom–dwelling sharks. Spiracles are reduced or missing in active pelagic sharks. While the shark is moving, water passes through the mouth and over the gills in a process known as "ram ventilation". While at rest, most sharks pump water over their gills to ensure a constant supply of oxygenated water. A small number of species have lost the ability to pump water through their gills and must swim without rest. These species are obligate ram ventilators and would presumably asphyxiate if unable to move. Obligate ram ventilation is also true of some pelagic bony fish species. In contrast, bony fishes have a single outer bony gill covering called an operculum.

Matched Categories

1. • Structure

How to pronounce gill slit?

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Numerology

1. Chaldean Numerology

   The numerical value of gill slit in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of gill slit in Pythagorean Numerology is: 1

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=gill slit
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Gill_Slit
3. ^ ChatGPT
   https://chat.openai.com
4. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=gill slit