You could call it the fifth finger, fifth digit, or digiti minimi.
The upper arm bone is the humerus. The forearm bones are the radius on the thumb side and the ulna on the pinkie side.
Anacusis is the medical term meaning complete deafness.
Syncope is the medical term meaning fainting.
Lamina is the medical term meaning layers.
Sensation is the medical term meaning feeling.
Eructation is the medical term meaning burping.eructation
Atrophy is the medical term meaning shrinking.
Metastasize is the medical term meaning "to spread."
Stasis is the medical term meaning stopping.
Strabismus is the medical term meaning cockeye.
Flexion is the medical term meaning bending
Medial is the medical term meaning central.