thenar
Ball of thumb
The thenar is the fleshy mound at the base of the thumb, formed by the muscles that control thumb movement.
In anatomy, thenar appears as an adjective describing this region: thenar eminence, thenar muscles.
The corresponding mound on the pinky side of the palm is the hypothenar.
Hand's flat interior
- metacarpusBones forming the palm
- carpusWrist skeletal structure
- manusForelimb extremity, anatomically
- eminenceElevated rank or renown
musculature · flexor · abductor · adductor · fascia · innervation · median · ulnar
Seize or understand
- pinchSqueeze with fingertips
- oppositionActive resistance or dissent
- prehensionAct of grasping objects
- claspSecuring device that clicks
squeeze · hold · clench · precision grip · power grip · manipulation · apposition · clutch
Reduction in size
- atrophyWasting from disuse
- hypertrophyTissue enlargement via cells
- strengthPower to exert force
- motorEnergy-to-motion converter
innervation · belly · insertion · origin · tendon · skeletal · electromyography
Of the touching sense
- touchPerceiving through physical contact
- pressureForce upon contact
- sensitivityResponsiveness to stimuli
- numbnessLoss of sensation
paresthesia · carpal tunnel · sensory · tingling · warmth
Wasting from disuse
- wastingUsing poorly, inefficiently
- carpal tunnel syndromeCompressed nerve at wrist
- weaknessDeficiency in force
- examinationMethodical assessment or review
palm
Hand's flat interior
- metacarpusBones forming the palm
- carpusWrist skeletal structure
- manusForelimb extremity, anatomically
eminence · musculature · flexor · abductor · adductor · fascia · innervation · median · ulnar · radial
grasp
Seize or understand
- pinchSqueeze with fingertips
- oppositionActive resistance or dissent
- prehensionAct of grasping objects
clasp · squeeze · hold · clench · precision grip · power grip · manipulation · apposition · clutch
contraction
Reduction in size
- atrophyWasting from disuse
- hypertrophyTissue enlargement via cells
- strengthPower to exert force
motor · innervation · belly · insertion · origin · tendon · skeletal · electromyography
tactile
Of the touching sense
- touchPerceiving through physical contact
- pressureForce upon contact
- sensitivityResponsiveness to stimuli
numbness · paresthesia · carpal tunnel · sensory · tingling · warmth
atrophy
Wasting from disuse
- wastingUsing poorly, inefficiently
- carpal tunnel syndromeCompressed nerve at wrist
- weaknessDeficiency in force