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Geographic tongue, also known by several other terms, [note 1] is a condition of the mucous membrane of the tongue, usually on the dorsal surface. It is a common condition, affecting approximately 2–3% of the general population. [2] [7] It is characterized by areas of smooth, red depapillation (loss of lingual papillae) which migrate over time.
The tongue can divide itself in dorsal and ventral surface. The dorsal surface is a stratified squamous keratinized epithelium, which is characterized by numerous mucosal projections called papillae. [11] The lingual papillae covers the dorsal side of the tongue towards the front of the terminal groove.
The mouth is the only place in the body which provides the sensation of taste. Due to these unique physiological features, the oral mucosa must fulfil a number of distinct functions. Protection: One of the main functions of the oral mucosa is to physically protect the underlying tissues from the mechanical forces, microbes and toxins in the ...
The upper front surface of the tongue just behind the tip, called the blade of the tongue ; The surface of the tongue under the tip ; The body of the tongue which is sometimes further divided into front and back; The base a.k.a. root of the tongue and the throat ; The aryepiglottic fold inside the throat (aryepiglottal)
The dorsal lingual branches of lingual artery consist usually of two or three small branches which arise beneath the hyoglossus. They ascend medially to the back part of the dorsum of the tongue. [5] They supply the mucous membranes, the glossopalatine arch, the tonsil, soft palate, and epiglottis; anastomosing with the vessels of the opposite ...
The taste buds on the tongue sit on raised protrusions of the tongue surface called papillae. There are four types of lingual papillae; all except one contain taste buds: Fungiform papillae - as the name suggests, these are slightly mushroom-shaped if looked at in longitudinal section. These are present mostly at the dorsal surface of the ...
Geographic tongue, also termed benign migratory glossitis, is a common condition which usually affects the dorsal surface of the tongue. It is characterized by patches of depapillation and erythema bordered by a whitish peripheral zone. These patches give the tongue the appearance of a map, hence the name.
Dorsal consonants (3 C, 1 P) I. Innervation of the tongue (2 C, 6 P) S. ... Tongue frenulum piercing; Tongue map; Tongue piercing; Tongue posture; Tongue shape ...