from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The fleshy mass on the palm of the hand at the base of the thumb.
- adj. Of or relating to the thenar.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the palm of the hand or sole of the foot
- n. the ball of the thumb, or the muscle controlling it
from the GNU version of the Collaborative International Dictionary of English
- n. The palm of the hand.
- n. The prominence of the palm above the base of the thumb; the thenar eminence; the ball of the thumb. Sometimes applied to the corresponding part of the foot.
from The Century Dictionary and Cyclopedia
- n. In anatomy, and zoology, the palm of the hand or sole of the foot; the ball of the thumb; the vola.
- Of or pertaining to the thenar.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to the palm of the hand or to the area at the base of the thumb
- n. the fleshy area of the palm at the base of the thumb
- n. the inner surface of the hand from the wrist to the base of the fingers
Technically this appears to be caused by excessive flexing of the intrinsic thenar group of muscles in the hand.
What impeded Bloom from giving Stephen counsels of hygiene and prophylactic to which should be added suggestions concerning a preliminary wetting of the head and contraction of the muscles with rapid splashing of the face and neck and thoracic and epigastric region in case of sea or river bathing, the parts of the human anatomy most sensitive to cold being the nape, stomach and thenar or sole of foot?
The Royal Infirmary was on the other side of Princes Street, beyond the Grassmarket, towering over thenar row streets and ancient houses around it.
They drove in silence for a while until he said, "Here's your turning," and slid the Rolls on to thenar row country lane she knew so well.
She felt the tension in his fingers as he gripped her, and then he was caressing her, tracing thenar row indentation of her waist, cupping her breasts.
The Abductor pollicis brevis is often divided into an outer and an inner part; accessory slips from the tendon of the Abductor pollicis longus or Palmaris longus, more rarely from the Extensor carpi radialis longus, from the styloid process or Opponens pollicis or from the skin over the thenar eminence.
The muscles of the hand are subdivided into three groups: (1) those of the thumb, which occupy the radial side and produce the thenar eminence; (2) those of the little finger, which occupy the ulnar side and give rise to the hypothenar eminence; (3) those in the middle of the palm and between the metacarpal bones.
At the wrist it suddenly becomes hard and dense and covered with a thick layer of epidermis; on the thenar eminence these characteristics are less marked than elsewhere.
One of these, starting in front of the wrist at the tuberosity of the navicular bone, curves around the thenar eminence and ends on the radial border of the hand a little above the metacarpophalangeal joint of the index finger.
The muscles of the hand are principally concerned, as regards surface form, in producing the thenar and hypothenar eminences, and cannot be individually distinguished; the thenar eminence, on the radial side, is larger and rounder than the hypothenar, which is a long narrow elevation along the ulnar side of the palm.