onychograph

onychograph

 [o-nik´o-graf]
an instrument for observing and recording the nail pulse and capillary circulation.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

on·y·cho·graph

(on'i-kō-graf),
An instrument for recording the capillary blood pressure as shown by the circulation under the nail.
[onycho- + G. graphō, to write]
Farlex Partner Medical Dictionary © Farlex 2012

onychograph

An obsolete device used to measure blood pressure under the nail bed.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

on·y·cho·graph

(on'i-kō-graf)
An instrument for recording the capillary blood pressure as shown by the circulation under the nail.
[onycho- + G. graphō, to write]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012