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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.
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.
White spot syndrome (WSS) is a viral infection of penaeid shrimp.The disease is highly lethal and contagious, killing shrimp quickly. Outbreaks of this disease have wiped out the entire populations of many shrimp farms within a few days, in places throughout the world.
The tarsus of insects corresponds to the penultimate segment of a generalized arthropod limb, which is the segment called the propodite in Crustacea. In adult insects, it is commonly subdivided into two to five subsegments, or tarsomeres, but in the Protura, some Collembola, and most holometabolous insect larvae it preserves the primitive form ...
Unlike many other crustaceans, the body is not clearly divided into segments. Most species have completely or partly lost their trunk segmentation, and there are no boundaries between the thorax and abdomen, and it has therefore been impossible to tell if the first pair of limbs after the maxillae belongs to the head or the thorax.
Eccrine carcinoma is a rare skin condition characterized by a plaque or nodule on the scalp, trunk, or extremities. [1]: 669 It originates from the eccrine sweat glands of the skin, accounting for less than 0.01% of diagnosed cutaneous malignancies. [2]
Dead and/or distant crustaceans cannot be analyzed for parasitic infections. Young crabs and mature female crabs are often overlooked as well. Scientists have used several methods in the diagnosis of Hematodinium sp. in crustacean hosts. These include visual examination, wet smears, neutral red staining, histology, and molecular detection. [6]
Sudoriparous glands, Boerhaave's glands skin: 39 Sigmund's glands: epitrochlear lymph nodes of axilla: 40 Suzanne's gland: mouth, beneath the alveolo-lingual groove [1] mucous 41 Tiedmann's glands, Bartholin's glands, vulvovaginal glands vulva, vagina: 42 Tubarial glands: posterior nasopharynx, over the torus tubarius [2] saliva 43 Uterine ...