Foramen cecum (tongue)
Encyclopedia
The dorsum of the tongue
is convex and marked by a median sulcus, which divides it into symmetrical halves; this sulcus ends behind, about 2.5 cm from the root of the organ, in a depression, the foramen cecum (or foramen caecum), from which a shallow groove, the sulcus terminalis
, runs lateral and anterior on either side to the margin of the tongue.
The foramen cecum is the point of attachment of the thyroglossal duct
and is formed during the embryological descent of the thyroid gland.
Tongue
The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste , as much of the upper surface of the tongue is covered in papillae and taste buds. It is sensitive and kept moist by saliva, and is richly...
is convex and marked by a median sulcus, which divides it into symmetrical halves; this sulcus ends behind, about 2.5 cm from the root of the organ, in a depression, the foramen cecum (or foramen caecum), from which a shallow groove, the sulcus terminalis
Terminal sulcus (tongue)
The dorsum of the tongue is convex and marked by a median sulcus, which divides it into symmetrical halves; this sulcus ends about 2.5 cm. from the root of the organ, in a depression called the foramen cecum, from which a shallow groove, the terminal sulcus, runs laterally and forward on either...
, runs lateral and anterior on either side to the margin of the tongue.
The foramen cecum is the point of attachment of the thyroglossal duct
Thyroglossal duct
The thyroglossal duct is an embryological anatomical structure forming an open connection between the initial area of development of the thyroid gland and its final position....
and is formed during the embryological descent of the thyroid gland.