The Embryology of the Human Thyroid Gland Including Ultimobranchial Body and Others Related

In 1967, the present author published as a monograph "Histological studies of the human thyroid gland observed from the viewpoint of its postnatal development" based upon the quantitative measurements of thyroid tissue compo­ nents in 326 cases ranging in age from immediately after birth to 88 years. Through successive intermediate zones, newborn, infant, child and pubertal on one hand and through a transitional zone presenile on the other hand, the realm of interest concerning in medicine recen