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Pediculosis pubis (also known as "crabs" and "pubic lice") is an infestation by the pubic louse, Pthirus pubis, a wingless insect which feeds on blood and lays its eggs (nits) on mainly pubic hair. Less commonly, hair near the anus, armpit, beard, eyebrows, moustache, and eyelashes may be involved.
Cancer pagurus, commonly known as the edible crab or brown crab, is a species of crab found in the North Sea, North Atlantic Ocean, and perhaps the Mediterranean Sea. It is a robust crab of a reddish-brown colour, having an oval carapace with a characteristic "pie crust" edge and black tips to the claws.
Cancer is a genus of marine crabs in the family Cancridae. It includes eight extant species and three extinct species, including familiar crabs of the littoral zone , such as the European edible crab ( Cancer pagurus ), the Jonah crab ( Cancer borealis ) and the red rock crab ( Cancer productus ).
7 silent cancer symptoms everybody needs to know about. Lisa Salmon. February 3, 2023 at 12:15 AM. ... especially for women who are on their period or going through the menopause, says Oliver. ...
The crab louse or pubic louse (Pthirus pubis) is an insect that is an obligate ectoparasite of humans, feeding exclusively on blood. [2] The crab louse usually is found in the person's pubic hair . Although the louse cannot jump, it can also live in other areas of the body that are covered with coarse hair, such as the perianal area , the ...
The female Sacculina then forces the crab's body to release hormones, causing it to act like a female crab, even to the point of performing female mating dances. If the parasite is removed from the host, female crabs will normally regenerate new ovarian tissue, while males usually develop complete or partial ovaries instead of testes.
Black spot disease in crustaceans, commonly studied on the edible brachyuran crab Cancer pagurus, is a progressive degradation of the carapace cuticle and expresses itself by discoloration of the carapace. [1] The disease has been observed on a variety of crustacean species including crabs, lobster, and shrimp. [2]
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