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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 ventral surface is stratified ...
For example, as humans are approximately bilaterally symmetrical organisms, anatomical descriptions usually use the same terms as those for other vertebrates. [8] However, humans stand upright on two legs, meaning their anterior/posterior and ventral/dorsal directions are the same, and the inferior/superior directions are necessary. [57]
Examples of depapillating oral conditions include geographic tongue, median rhomboid glossitis and other types of glossitis. The term glossitis, particularly atrophic glossitis is often used synonymously with depapillation. Where the entire dorsal surface of the tongue has lost its papillae, this is sometimes termed "bald tongue". [4]
In human anatomy, the anatomical planes are defined in reference to a body in the standard anatomical position, the upright or standing orientation. [1]A transverse plane (also known as axial or horizontal plane) is parallel to the ground; it separates the superior from the inferior, or the head from the feet.
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 dorsal lingual veins are some of the lingual veins.They provide venous drainage to the dorsum of the tongue, and the sides of the tongue. Between the hyoglossus and genioglossus, dorsal lingual veins unite with those lingual veins that are venae comitantes of the lingual artery; these consolidated lingual veins then empty into the internal jugular vein proximal to the greater cornu of ...
The fimbriated fold of tongue, also plica fimbriata, is a slight fold of the mucous membrane on the underside of the tongue which runs laterally on either side of the frenulum. The free edge of the fimbriated fold occasionally exhibits a series of fringe-like processes. (Fimbria is Latin for fringe).
Tonsils and the throat–lingual tonsils labelled. Like other lymphatic tissues, the function of lingual tonsils is to prevent infections. These tonsils contain B and T lymphocytes which get activated when harmful bacteria and viruses come in contact with tonsils.