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The coxal gland is thought to be homologous with the antennal gland of crustaceans. The gland consists of an end sac (saccule), a long duct (labyrinth) and a terminal bladder (reservoir). [2] There is generally only one pair (two in some spiders), and they open on the coxae of the walking legs [1] or at the base of the second antennae in the ...
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.
Antennae (sg.: antenna) (sometimes referred to as "feelers") are paired appendages used for sensing in arthropods. Antennae are connected to the first one or two segments of the arthropod head. They vary widely in form but are always made of one or more jointed segments.
Human bites are the third most frequent type of bite after dog and cat bites. [6] Dog bites are commonplace, with children the most commonly bitten and the face and scalp the most common target. [14] About 4.7 million dog bites are reported annually in the United States. [15] The US estimated annual count of animal bites is 250,000 human bites ...
A dog in West Virginia is thriving after a suspected snake bite which left him with an extremely swollen head.. The story of the dog's plight recently went viral following a Reddit mention, but ...
Its innervation from the rear of the brain has suggested to some workers that, if an appendage, it is the appendage of the tritocerebral segment; a point disputed by others who argue that the presence of a well-developed appendage in at least crustaceans in this segment (i.e., the second antenna, corresponding to the intercalary segment of ...
A couple in Australia have been accused of faking their young son's cancer diagnosis "It will be alleged that the accused shaved their 6-year-old child’s head, eyebrows, placed him in a ...
Bumble Bee Joins Endangered Species List Suckley’s cuckoo bumble bee may be classified as endangered under the Endangered Species Act after a recommendation from the U.S. Fish and Wildlife Service.