lateral lingual swelling


Also found in: Wikipedia.

lat·er·al lin·gual swell·ing

(lat'ĕr-ăl lin'gwăl swel'ing)
Either of two oval swellings in the floor of the primordial mouth, one on each side of the median lingual swelling; they converge to form the anterior two thirds of the tongue.
Synonym(s): distal tongue bud, lateral lingual bud.

lat·er·al lin·gual swell·ing

(lat'ĕr-ăl lin'gwăl swel'ing)
One of two oval swellings in the floor of the primordial mouth, one on each side of the median lingual swelling; they converge to form the anterior two thirds of the tongue.
Synonym(s): distal tongue bud, lateral lingual bud.
References in periodicals archive ?
The tongue appears in the embryo in 4 weeks of gestation as 2 lateral lingual swellings and one medial swelling, the tuberculum impar.
During the fourth to eighth intrauterine weeks, the anterior portion of the tongue is formed by the two lateral lingual swellings and one medial swelling; "the tuberculum impar." All of these are derivatives of the first pharyngeal arch.
The anterior two-thirds originates from the paired lateral lingual swellings that are contributed by the first branchial arch.

Medical browser ?