systaltic

[si-stawl-tik, -stal-]

sys·tal·tic

[si-stawl-tik, -stal-]
adjective Physiology.
1.
rhythmically contracting.
2.
of the nature of contraction.
3.
characterized by alternate contraction and dilation, as the action of the heart.

Origin:
1670–80; < Late Latin systalticus < Greek systaltikós, equivalent to systalt(ós) contracted, verbid of systéllein to put together (sy- sy- + stal-, variant stem of stéllein to place + -tos verbid suffix) + -ikos -ic
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Systaltic is always a great word to know.
So is histamine. Does it mean:
a histidine-derived amine compound that is released mainly by damaged mast cells in allergic reactions, causing dilation and permeability of blood vessels and lowering blood pressure
physically fitted to live; a fetus having reached such a stage of development as to be capable of living, under normal conditions, outside the uterus
Collins
World English Dictionary
systaltic (sɪˈstæltɪk)
 
adj
(esp of the action of the heart) of, relating to, or characterized by alternate contractions and dilations; pulsating
 
[C17: from Late Latin systalticus, from Greek sustaltikos, from sustellein to contract, from syn- + stellein to place]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

systaltic sys·tal·tic (sĭ-stôl'tĭk, -stāl'-)
adj.
Alternately contracting and dilating, as the heart; pulsating.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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