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Dibotryon morbosum or Apiosporina morbosa is a plant pathogen, which is the causal agent of black knot. [1] [2] It affects members of the Prunus genus such as; cherry, plum, apricot, and chokecherry trees in North America. The disease produces rough, black growths that encircle and kill the infested parts, and provide habitat for insects.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 February 2025. Disease caused by Yersinia pestis bacterium This article is about the disease caused by Yersinia pestis. For other uses, see Plague. Medical condition Plague Yersinia pestis seen at 200× magnification with a fluorescent label. Specialty Infectious disease Symptoms Fever, weakness ...
Mucormycosis, also known as black fungus, [3] [4] is a severe fungal infection [11] that comes under fulminant fungal sinusitis, [12] usually in people who are immunocompromised. [ 9 ] [ 13 ] It is curable only when diagnosed early. [ 12 ]
Apocynum cannabinum grows up to 1 m (3 ft 3 in) tall. The stems are reddish and contain a milky latex.The leaves are opposite, simple, broad, and lanceolate, 7–15 cm (2 + 3 ⁄ 4 –6 in) long and 3–5 cm (1 + 1 ⁄ 4 –2 in) broad, entire, and smooth on top with white hairs on the underside.
In areas where marijuana becomes legal and easier to access, Volkow’s concern is the ease with which products can be mixed, leading to a high total dose of marijuana consumed.
Symptoms can overlap across causal agents, however differing signs and symptoms of certain pathogens can lead to the diagnosis of the type of leaf spot disease. Prolonged wet and humid conditions promote leaf spot disease and most pathogens are spread by wind, splashing rain or irrigation that carry the disease to other leaves.
Urushiol causes an eczematous contact dermatitis characterized by redness, swelling, papules, vesicles, blisters, and streaking. [ 4 ] [ 5 ] People vary greatly in their sensitivity to urushiol. In approximately 15% [ 6 ] to 30% [ 7 ] of people, urushiol does not trigger an immune system response, while at least 25% of people have a very strong ...
For years, a man from Bangladesh lived with "tree man" syndrome. Abul Bajandar's hands and feet grew foot-long "roots" that left him unable to feed himself, move around, work or wear normal clothing.