Zool. [mod. L.: see SUB. 1 f and LINGUA.
(In medical L., sublingua was formerly used for ‘uvula.’)]
In some animals, e.g., lemurs, a process consisting of a fold of mucous membrane under the tongue.
1878. Bell, trans. Gegenbaur’s Comp. Anat., 553. In many Prosimii and Chiroptera, as also in the platyrrhine Apes, there is a process below the tongue which is sometimes double; this is the so-called sublingua.
1896. trans. Boas’ Text Bk. Zool., 487, note. On each side of the ventral surface of the tongue, there is a fold…; it is termed the ‘sub-lingua,’ and attains its highest development in the Prosimii.
