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Sporotrichosis, also known as rose handler's disease, [2] is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. [2] [4] It presents with firm painless nodules that later ulcerate. [3] Following initial exposure to Sporothrix schenckii, the disease typically progresses over a period of a week to several ...
In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
Sporothrix schenckii, a fungus that can be found worldwide in the environment, is named for medical student Benjamin Schenck, who in 1896 was the first to isolate it from a human specimen. [1] The species is present in soil as well as in and on living and decomposing plant material such as peat moss. It can infect humans as well as animals and ...
In spanish is the same, coloquially we use "espina" and "espinoso" in a very broad sense, but botanists distinguish between espina (caulinar = thorn, foliar = spine) and aguijón (= prickle). It looks like botanists agree much more about the spanish terms than about the english ones. -- RoRo ( talk) 16:15, 25 September 2013 (UTC) [ reply ...
Spinous cells, or prickle cells, are keratin producing epidermal cells owing their prickly appearance to their numerous intracellular connections. They make up the stratum spinosum (prickly layer) of the epidermis and provide a continuous net-like layer of protection for underlying tissue. They are susceptible to mutations caused by sunlight ...
The stratum spinosum (or spinous layer/prickle cell layer) [1] is a layer of the epidermis found between the stratum granulosum and stratum basale. [2] This layer is composed of polyhedral keratinocytes. [3][4] These are joined with desmosomes. [3] Their spiny (Latin, spinosum) appearance is due to shrinking of the microfilaments between ...
The word porcupine comes from the Latin porcus ' pig ' + spina ' spine, quill ', from Old Italian porcospino, ' thorn-pig '. [4] [5] A regional American name for the animal is quill-pig. [6] A baby porcupine is a porcupette. When born, a porcupette's quills are soft hair; they harden within a few days, forming the sharp quills of adults. [7]
Note the irregularly shaped, non-circular cells in the image. Acanthocyte (from the Greek word ἄκανθα acantha, meaning 'thorn'), in biology and medicine, refers to an abnormal form of red blood cell that has a spiked cell membrane, due to thorny projections. [1][2] A similar term is spur cells. Often they may be confused with echinocytes ...