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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 ...
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.
They have a slightly elongate, compressed body with a horizontal, sub-terminal mouth. The defining feature of a spottail shiner is the distinct black spot at the base of the caudal fin. [3] The lower edge of the caudal fin can be white in color with all of the other fins lacking pigment. [3] The dorsal fin sits directly above the pelvic fins.
Amalgam tattoo is a grey, blue or black area of discoloration on the mucous membranes of the mouth, typically on the gums of the lower jaw. It is a healthcare caused lesion, due to entry of dental amalgam into the soft tissues. It is common, painless, and benign, but it can be mistaken for melanoma
Black hairy tongue syndrome (BHT [4]) is a condition of the tongue in which the small bumps on the tongue elongate with black or brown discoloration, giving a black and hairy appearance. The appearance may be alarming, but it is a harmless condition.
"They're cold, so it takes longer to melt in your mouth," she revealed. And while the "Giada At Home" star is most famous for her skills in the kitchen, there's another role she's most proud of ...
The subterminal mouth, absence of a fleshy barbel and the large black spot at the base of the pectoral fin distinguish spotfin croakers from all other California croakers. Small "spotties" are sometimes confused with small white croakers , but a count of the dorsal fin spines will quickly separate them; the spotfin croaker has 11 or fewer ...
Scientists believe that the black spot near their tail helps fool predators into attacking the red drum's tail instead of its head, allowing the red drum to escape. [7] The red drum uses its senses of sight and touch, and its downturned mouth, to locate forage on the bottom through vacuuming or biting.