orcein

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Related to E121: E120

orcein

 [or-se´in]
a brownish-red coloring substance obtained from orcinol; used as a stain for elastic tissue.

or·ce·in

(ōr'sē-in), [old C.I. 1242]
A natural dye derived from orcinol by treatment with air and ammonia; as a purple dye complex it is used in various histologic staining methods.

orcein

/or·ce·in/ (or-se´in) a brownish-red coloring substance obtained from orcinol; used as a stain for elastic tissue.

or·ce·in

(ōr'sē-in)
A natural dye derived from orcinol that is used in various histologic staining methods.

orcein

a brownish-red coloring substance obtained from orcinol; used as a stain for elastic tissue.

orcein-Giemsa stain
useful because of its capacity to stain elastic fibers, the metachromatic granules of mast cells, and differentiates smooth muscle from collagen.
References in periodicals archive ?
But those history books will mean little as the 22 runners face the starter today in search of a winner's prize of E121,800.
All Asyst Interface A solutions are fully compliant with the complete set of SEMI EDA requirements, including E121, E128, E120.
As EU citizens, we don't need a residence permit, we can come and go as we like, our children can receive a free state school education, and an E121 suffices for an entire family to receive healthcare free of charge; this benefit available to UK state pensioners and holidaymakers only, and not to long term permanent resident non-pensioners.
EIB technology has been implemented per SEMI standard E120 (Common Equipment Model), E125, E132 & E134, and follows XML guidelines as established by SEMI E121 and E128.
Orgill recommends getting an E121 form if you are a retiree, an E106 form if you are living or working abroad for up to two years, or paying local national insurance contributions if you change your country of residence.