Sunday 9 December 2012

thyroxine=الثيروكسين


thyroxine=الثيروكسين
ONLINE ETYMOLOGY DICTIONARY:
thyroxine (n.)
from thyro-, comb. form of thyroid, + oxy- + indole + chemical suffix -ine (2). So called from the original description of its composition

thyroid (adj.)
1690s (in reference to both the cartilage and the gland), from Gk. thyreoiedes "shield-shaped" (in khondros thyreoiedes "shield-shaped cartilage," used by Galen to describe the "Adam's apple" in the throat), from thyreos "oblong, door-shaped shield" (from thyra "door") + -eides "form, shape." The noun, short for thyroid gland, is recorded from 1849.
oxy-
word-forming element meaning "sharp, pointed; acid," from Gk. oxy-, comb. form of oxys "sharp, pungent" (see acrid). Also used as a comb. form of oxygen.

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