Webbpigmentation should be related to specific environments such as habitat structure and/or water transparency, as a mechanism acting on a long-term basis, whereas behavioural and/or physiological related pigmentation is of short-term basis. We tried to distinguish between long-term (phenotypic plasticity) and short-term changes in Webbpigmented goats. The data obtained in this experiment support the hypothesis that unpigmented goats are more adversely affected by climatic stress, likely due to their decreased activity and increased water consumption, as demonstrated by previous studies. (Key Words : Skin Pigmentation, Heat Stress, Physiological Factors, Grazing, Behaviour …
Classification of oral pigmented lesions: A review
Webb31 jan. 2024 · Physiological oral melanin pigmentation is genetically determined, more frequently affecting people with darker skin. It can involve any oral mucosal site, but predominantly the gingiva. The aim of the present study was to determine the prevalence and to characterize the clinical features of physiological oral melanin pigmentation in a … WebbIn 1980, Bruce Shields described a pigmented crescent of the optic disc which appeared to be located within the substance of the optic nerve head and termed this the grey crescent. 1 The precise nature of this crescent … 頭痛 ズキンズキン
Gingival pigmentation (cause, treatment and histological …
WebbInherited pigmentary disorders can also result in increased melanocyte density (e.g. freckles) or in decreased melanocyte density (e.g. vitiligo). (An excellent resource for … Webb25 maj 2024 · Oral mucosal pigmentation is a common clinical finding appearing as focal or diffuse lesions that may be physiological (racial or ethnic pigmentation), induced by … Webb~ 85 ~ International Journal of Applied Dental Sciences Fig 1: Classification of pigmented lesion (Kauzman et al in 2004) 3.5 Peeran et al. (2014) proposed a new improved classification for gingival pigmentation and pigmented lesions [19]. Table 1: Classification of gingival pigmentation (Peeran et al 2014) Class Criteria of classifications I Coral … taraudage m18 percage