He was gone less than three minutes, which he had spent with thumb and middle finger to larynx and mastoid bone.
"The Unnecessary Man" by Gordon Randall Garrett
COMM IMPLANT: A surgically implanted communications system consisting of a transmitter in the throat and a receiver at the mastoid bone.
"Concordance" by Ann Wilson
Mastoid, a process situated at the posterior part of the temporal bone.
"A Manual of the Antiquity of Man" by J. P. MacLean