Search results
Results from the WOW.Com Content Network
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.
It is a very common oral condition and affects 13% of the world population. It is often due to poor oral hygiene which leads to accumulation of oral bacteria and build up of keratin on the tongue surface. Black hairy tongue can also be associated with the use of certain medications such as antibiotics, prolonged coffee/tea drinking habit, or ...
STK typically occurs in the buccal sulcus (inside the cheek) or the labial sulcus (between the lips and the teeth) and corresponds to the site where the tobacco is held in the mouth. [6] It is painless. [7] The appearance of the lesion is variable depending upon the type of tobacco used, and the frequency and duration of use. [6]
This may be cessation of smoking or cessation/substitution of implicated medications or mouthwashes. Generally direct measures to return the tongue to its normal appearance involve improving oral hygiene, especially scraping or brushing the tongue before sleep. [8] This promotes desquamation of the hyperparakeratotic papillae. [6]
The cause is unknown, [2] but it is thought to be caused by intracellular edema of the superficial epithelial cells coupled with retention of superficial parakeratin. . Although leukoedema is thought to be a developmental condition, it may be more common and more pronounced in smokers, and becomes less noticeable when smoking is
Pipe smoking produces more heat on the palate than any other forms of smoking. Long-term drinking of very hot beverages can also cause a similar condition. The severity of the changes correlates with the frequency of the habit. [6] The prevalence depends on a society's use of consuming hot beverages and of smoking in its various forms.
The male humpback whale that traveled the longest documented distance to date is observed in Zanzibar Channel, off the village of Fumba on the Tanzanian island of Unguja, on August 22, 2022.
The pigment-producing cells that contribute to the yellow spots of some sub-species are called xanthophores. [30] It appears that the fully-black phenotypes do not ever develop these xanthophores. [31] Alpine salamanders produce a toxin from their skin, and both fully melanistic, black salamanders and spotted individuals produce the compound. [32]