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Coxal gland and its components. The coxal gland is a gland found in some arthropods, for collecting and excreting urine. They are found in all arachnids (with the exception of some Acari), and in other chelicerates, such as horseshoe crabs. [1] The coxal gland is thought to be homologous with the antennal gland of crustaceans.
Antennal fibrillae play an important role in Culex pipiens mating practices. The erection of these fibrillae is considered to be the first stage in reproduction. These fibrillae serve different functions across the sexes. As antennal fibrillae are used by female C. pipiens to locate hosts to feed on, male C. pipiens utilize them to locate ...
An ionocyte (formerly called a chloride cell) is a mitochondrion-rich cell within ionoregulatory organs of animals, such as teleost fish gill, insect Malpighian tubules, crustacean gills, antennal glands and maxillary glands, and copepod Crusalis organs. [1]
In Crustacea, the saccate metanephridia are associated with the antennae and form the antennal gland. In freshwater crustacea, the saccate metanephridia are especially large due to their role in osmoregulation; crustacea must remove large amounts of water from the tissues, as the cells are hypertonic to the surrounding water.
A tripartite structure is recorded from near the antennae, consisting of elevated walls arranged in a semicircle (likely to enlarge the surface for an excretory organ as in modern crustaceans), a pore representing an opening of the “antennal gland” (the purpose of which is unknown) and a sickle-shaped furrow surrounding this pore.
Crustaceans portal; Asellota is a suborder of isopod crustaceans found in marine and freshwater environments. [2] Roughly one-quarter of all marine isopods belong to this suborder. [3] Members of this suborder are readily distinguished from other isopods by their complex copulatory apparatus.
Alejandra Silva, 41, a Spanish socialite and activist, married the "Pretty Woman" actor in 2018, and six years later, the couple decide to relocate their family in Spain.
[1] [2] Also known as the Florida crangonyx, Crangonyx floridanus is a small omnivorous, freshwater amphipod. [3] These freshwater amphipods originated from North America. [ 4 ] They have a high invasion potential due to their high growth rate and wide ecological amplitude. [ 5 ]