Abnormalities of tetrahydrobiopterin metabolism
May. 30, 2023
Nearly 3,000 illustrations, including video clips of neurologic disorders.
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
Full spectrum of neurology in 1,200 comprehensive articles.
Listen to MedLink on the go with Audio versions of each article.
Photograph of a human thyroid gland preparation (showing the positional relationship to the larynx and the trachea). The right and left lobes are shown, as is a third lobe, the pyramidal lobe, extending superiorly from the isthmus. (Source: preparation from 1925 at the Anatomisches Museum der Universität, Basel, Switzerland. Photograph by Mattes 2012. Courtesy of Wikimedia Commons. Creative Commons Attribution 2.0 Germany license.)