thenar eminence


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Related to thenar eminence: Hypothenar eminence

the·nar em·i·nence

[TA]
the fleshy mass on the lateral side of the palm; the radial palm; the ball of the thumb.

the·nar em·i·nence

(thē'nahr em'i-nĕns) [TA]
The fleshy mass on the lateral side of the palm; the radial palm; the ball of the thumb.
Synonym(s): thenar (1) .

thenar eminence

The fleshy, muscular mass on the palm at the base of the thumb.
References in periodicals archive ?
This multi-site pilot study compares standard clinical laboratory hemoglobin levels pre- and post-transfusion to values obtained via a prototype near infrared spectrometer (NIRS) that employs experimental software to derive a peripheral hemoglobin concentration, or Tissue Hemoglobin Index (THI) at the thenar eminence (25) This pilot study seeks to collect preliminary data on the relationship between the two methodologies for the purpose of exploring the potential of MRS to perform additional non-invasive monitoring in the critically ill patient population.
The thenar eminence of the right hand is placed along the spine of the scapula with the thumb straight and pointing laterally.
In the hand, it innervates the thenar eminence and the first two lumbrical muscles.
An MRI with a 1.5-T unit demonstrated increased fatty tissue along the palmar aspect thumb, extending up to the thenar eminence.