n.
(Anat.) Same as
Pseudobranch
| Dictionary: Pseu·do·branch |
| 5min Related Video: Pseudobranch |
| Wikipedia: Pseudobranch |
The pseudobranch, also pseudobranchia is the reduced first gill arch of a fish (on the inner surface of the opercle, near the junction of the preopercle).
In teleost fish, the pseudobranchs are mostly without respiratory function, and in elasmobranchs they are the gill arch of the spiracle. The function of the pseudobranch is unknown, but it is believed that it supplies highly oxygenated blood to the optic choroid and retina and may have baroreceptor (pressure) and thermoregulation functions. It may also be a site of oxygen chemoreception.
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 | Dictionary. Webster 1913 Dictionary edited by Patrick J. Cassidy Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Pseudobranch". Read more |
