Palmar a. : Pertaining to, or corresponding with, the palm of the hand.

Palmar a. : Of or pertaining to the under side of the wings of birds.

Example:
I have Palmar hyperhidrosis but my hands are not cold instead they are hot?

Taxonomy
Palmar branch of the median nerve, Nerves, branch, free encyclopedia, median nerve, medial branch, upper extremity, skin, cutaneous, cutaneous nerves, lateral branch, Gray's Anatomy, dorsal digital nerves, search, Superficial palmar, ramus, palmaris, nervi.

Defination from the web:
palmar carpal ligament, and divides into a lateral and a medial branch; ... Unlike most of the median nerve innervation of the hand, the palmar branch travels superficial to the Flexor retinaculum of the hand. ...