n. in human anatomy, refers to the part of the upper arm, from one's shoulder to the elbow. Also refers to any structure or process which relates to the arm. - pl. brachia, adj. brachial.

BRACHIUM: "In evolution, the brachium or arm of a human is homologous to a wing or flipper."
Cite this page: N., Pam M.S., "BRACHIUM," in, April 7, 2013, (accessed August 3, 2020).