Uberon definition : The initial thyroid precursor, the thyroid primordium, starts as a simple midline
thickening and develops to form the thyroid diverticulum. This structure is initially
hollow, although it later solidifies and becomes bilobed. The 2 lobes are located
on either side of the midline and are connected via an isthmus.;
Uberon related term : thyroid primordia;
Uberon Taxon note : In all vertebrates the thyroid arises from the ventral aspect of the second pouch;
The initial thyroid precursor, the thyroid primordium, starts as a simple midline
thickening and develops to form the thyroid diverticulum. This structure is initially
hollow, although it later solidifies and becomes bilobed. The 2 lobes are located
on either side of the midline and are connected via an isthmus.