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  • Title: [Sublingual structures in primates. Part 1: Prosimiae, Platyrrhini and Cercopithecinae].
    Author: Rommel C.
    Journal: Gegenbaurs Morphol Jahrb; 1981; 127(2):153-75. PubMed ID: 6788642.
    Abstract:
    1. The sublingual structures of primates have been studied light-microscopically. There are 3 different sublingual structures in the species studied. The plica sublingualis occurs in all primates. The sublingual organ is a topographically modified plica sublingualis which occurs exclusively in Callicebus. A sublingua is present only in the prosimians. 2. The plica sublingualis contains the excretory ducts of the submandibular and sublingual salivary glands. The sublingua is ventrally adherent to the body of the tongue and is, with a few exceptions in Tupaia, characterized by a skeleton of cartilage tissue. A sublingua never exhibits excretory ducts or salivary glands. 3. In some Platyrrhini (Ateles, Aotus, Lagothrix, Alouatta, Callicebus), there are taste buds in the epithelium of the plica sublingualis. They are especially concentrated near the orifices of the salivary glands. 4. The fresh saliva of the submandibular and sublingual gland can be tested by the taste buds on the plica sublingualis, because there is a topographical coincidence. 5. There is a complete absence of taste buds at the plica sublingualis of the prosimians and the Cercopithecinae. 6. There are no taste buds in the epithelium of the sublingua. In the Lorisiformes and in the Lemuriformes the sublingua is a cleaning device of the anterior dentition, most probably in connection with a tactile sensibility. In the Tupaiformes and in the Tarsiiformes the sublingua is less developed. 7. There is no anatomical connection between the skeleton of cartilage tissue in the sublingua and the lytta, or the skeleton of the hyoideum. 8. In some Cercopithecinae (Macaca, Papio) a glandula apicis linguae is present.
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