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eosinophil

Term: eosinophil (eosino-phil)
Origin:
eωσίνη/eosine(=eosin, a red fluorescent dye)
Anc Greek
>ηώς ή Ηώς/ eos or Eos(=dawn or Greek Goddess of the Dawn )
>αυώς/avos(=dawn)

+-φιλέω/phileo(=-phil, combining form for “love”, “kiss”, “have tenderness for”)
>πίλναμαι/pilnamai(=to contact, to approach)
>φιλία/philia(=philia, combining form meaning “affection” , “friendship” or “mutual love”.
Literally meaning : affinity to eosin a fluorescent dye resembling colors of dawn.
Coined
In 1879 by by German-Jewish scientist in the field of immunology and pathology Paul Ehrlich (1854 –1915 who based on the affinity of eosinophil’s granules for acid staining.
Definition:
Eosinophil is a granular leukocyte having a nucleus with two lobes stained by eosin or other acid dyes.

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