Paraspinal neuromuscular syndromes
Jun. 03, 2022
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.
Some of the chemical reactions in this pathway occur in the mitochondria (yellow background) whereas others occur in the cytoplasm (white background). The initial reaction and the terminal 2 reactions are performed in the mitochondria. So δ-aminolevulinic acid formed in the mitochondria must move to the cytoplasm, and then, after a series of chemical intermediaries, coproporphyrinogen formed in the cytoplasm must move into the mitochondria to form protoporphyrinogen III and finally heme. (Figure by William Heric. Courtesy of Wikimedia Commons. Creative Commons Attribution-Share Alike 3.0 Unported license.)