Copula linguae
Encyclopedia
Also known as the hypobranchial eminence
.
The furcula
is at first separated from the tuberculum impar
by a depression, but later by a ridge, the copula, formed by the forward growth and fusion of the ventral ends of the second, third, and part of the fourth branchial arch
es.
Hypobranchial eminence
The hypopharyngeal eminence or hypobranchial eminence is an embryogenic structure which forms the 1/3 posterior part of adult tongue during fetal development....
.
The furcula
Furcula
The ' is a forked bone found in birds, formed by the fusion of the two clavicles. In birds, its function is the strengthening of the thoracic skeleton to withstand the rigors of flight....
is at first separated from the tuberculum impar
Tuberculum impar
During the third week of embryological development there appears, immediately behind the ventral ends of the two halves of the mandibular arch, a rounded swelling named the tuberculum impar, which was described by His as undergoing enlargement to form the buccal part of the tongue.More recent...
by a depression, but later by a ridge, the copula, formed by the forward growth and fusion of the ventral ends of the second, third, and part of the fourth branchial arch
Branchial arch
In the development of vertebrate animals, the pharyngeal arches are anlage for a multitude of structures. In humans, they develop during the fourth week in utero as a series of mesodermal outpouchings on the left and right sides of the developing pharynx...
es.