a protein that is the main oxygen carrier of muscle
myoglobin in American English
(ˈmaɪoʊˌgloʊbɪn; ˌ maɪoʊˈgloʊbɪn)
noun
an iron-containing protein in muscle, similar to hemoglobin, that receives oxygen from the red blood cells and transports it to the mitochondria of muscle cells, where the oxygen is used in cellular respiration to produce energy