Search results
Results from the WOW.Com Content Network
Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas. [1]
Bubonic plague is one of three types of plague caused by the bacterium Yersinia pestis. [1] One to seven days after exposure to the bacteria, flu-like symptoms develop. [1] These symptoms include fever, headaches, and vomiting, [1] as well as swollen and painful lymph nodes occurring in the area closest to where the bacteria entered the skin. [2]
Several possible causes have been advanced for the Black Death; the most prevalent is the bubonic plague theory. [3] Efficient transmission of Yersinia pestis is generally thought to occur only through the bites of fleas whose mid guts become obstructed by replicating Y. pestis several days after feeding on an infected host.
Melasma affects up to 33 percent of men and women. Read on to learn what causes the chronic skin condition and what you can do to keep it at bay.
Acral necrosis is a symptom common in bubonic plague.The striking black discoloration of skin and tissue, primarily on the extremities ("acral"), is commonly thought to have given rise to the name "Black Death," associated both with the disease and the pandemic which occurred in the 14th century.
The distinctive solid black colour of the Ayam Cemani (rooster shown) chicken breed is due to hyperpigmentation, with the bird's feathers, skin, beak and internal organs all being affected. Hyperpigmentation can be caused by sun damage, inflammation, or other skin injuries, including those related to acne vulgaris.
The cause of death of a Black man found hanging ... namely because the hyoid neck bone was missing from the body after it was sent to the family. ... To me the suit is the part of a long precedent ...
Neck pain causes can be anything from sleeping in an uncomfortable position to serious neurological concerns. Experts explain causes, diagnosis, and treatments.