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The lunula is the white crescent-shaped area at the base of a nail. The lunula, or ( pl.: lunulae; from Latin 'little moon'), is the crescent-shaped whitish area of the bed of a fingernail or toenail . In humans, it appears by week 14 [1] of gestation, and has a primary structural role in defining the free edge of the distal nail plate (the ...
Trichophagia is a form of disordered eating in which persons with the disorder suck on, chew, swallow, or otherwise eat hair. [1] The term is derived from ancient Greek θρίξ, thrix ("hair") and φαγεῖν, phagein ("to eat"). [2] Tricho- phagy refers only to the chewing of hair, whereas tricho- phagia is ingestion of hair, but many texts ...
Around 90% of the cassowary diet consists of fruit, although all species are opportunistic omnivores, and take a range of other plant foods, including shoots and grass seeds, in addition to fungi, invertebrates, eggs, carrion, fish, and small vertebrates like rodents, small birds, frogs, lizards, and snakes.
Aside from humans (genus Homo ), the macaques are the most widespread primate genus, ranging from Japan to the Indian subcontinent, and in the case of the Barbary macaque ( Macaca sylvanus ), to North Africa and Southern Europe. Twenty-three macaque species are currently recognized. Macaques are robust primates whose arms and legs are about the ...
Hyponychium. The hyponychium ( IPA: / ˌhaɪpoʊˈnɪkiəm /) [1] [2] is the area of epithelium, particularly the thickened portion, underlying the free edge of the nail plate on the nail. Its proximal border is immediately distal to distal limit of nail bed—a.k.a. the onychodermal band (the line along the interface of the nail bed and the ...
Angular cheilitis – a fissure running in the corner of the mouth with reddened, irritated facial skin adjacent. A fairly mild case of angular cheilitis extending onto the facial skin in a young person (affected area is within the black oval). Angular cheilitis is a fairly non specific term which describes the presence of an inflammatory ...
Human anatomy Anatomy of the basic parts of a human nail. In human anatomy, "cuticle" can refer to several structures, but it is used in general parlance, and even by medical professionals, to refer to the thickened layer of skin surrounding fingernails and toenails (the eponychium), and to refer to the superficial layer of overlapping cells covering the hair shaft (cuticula pili), consisting ...
Etymology. The word skin originally only referred to dressed and tanned animal hide and the usual word for human skin was hide. Skin is a borrowing from Old Norse skinn "animal hide, fur", ultimately from the Proto-Indo-European root *sek-, meaning "to cut" (probably a reference to the fact that in those times animal hide was commonly cut off to be used as garment).