salt gland


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Salt gland

A specialized gland located around the eyes and nasal passages in marine turtles, snakes, and lizards, and in birds such as the petrels, gulls, and albatrosses, which spend much time at sea. In the marine turtle it is an accessory lacrimal gland which opens into the conjunctival sac. In seagoing birds and in marine lizards it opens into the nasal passageway. Salt glands copiously secrete a watery fluid containing a high percentage of salt, higher than the salt content of urine in these species. As a consequence, these animals are able to drink salt-laden sea water without experiencing the dehydration necessary to eliminate the excess salt via the kidney route. See Gland

salt gland

[′sȯlt ‚gland]
(vertebrate zoology)
A compound tubular gland, located around the eyes and nasal passages in certain marine turtles, snakes, and birds, which copiously secretes a watery fluid containing a high percentage of salt.
References in periodicals archive ?
Increased activity and food intake, decrease of ocular discharge, reduced size of the corneal opacity, and reduced swelling of the salt glands were noted initially.
15-17) In ducklings (Anas platyrhynchos), halotolerant P aeruginosa were cultured from salt glands with granulomatous inflammation.
Pseudomonas aeruginosa infection should be considered a differential diagnosis in penguins with nonspecific illness or with clinical signs such as swelling of the salt glands, ocular discharge, oral and choanal inflammation, and central nervous signs.
Granulomatous inflammation of salt glands in ducklings (Anas platyrhynchos) associated with intralesional gram-negative bacteria.
cultivar 'Cavalier', a symplastic connection is observed between the salt gland and the neighboring epidermal cells, suggesting a role for the epidemial cells as a reservoir for salt storage before it is transported to the salt glands (Rao, 2011).
As in epidermal cells, salt gland microhairs have cutinized cell walls; the basal cell wall is thicker and more cutinized than the cap cell (Taleisnik & Anton, 1988).
Several hypotheses for salt gland secretion have been proposed, but up to now the mechanisms involved are still not clear (Shabala, 2013).
Although HKT, SOS1 and NI IX transporters have been studied and characterized in several different plant species, until recently no attempts had been made to associate the role of ion transporters with salt gland function.
Relative salinity tolerance([dagger]), salt gland (SG) density (gland number per 1.
Salt gland density and size varied according to species (Table 2).
secretion rate, salt gland density, salt gland length, and salt gland size (salt gland length x width), indicating a positive relationship between salinity tolerance and these parameters (Table 3).
The exclusiveness of salt glands in the Chloridoideae supports the contention that salt gland activity is an important salinity tolerance mechanism within this subfamily, and indicates that the Chloridoideae may have all evolved from a common halophytic ancestor.