Abbe-Zeiss apparatus


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Abbe-Zeiss apparatus

[äbā′tsīs′]
Etymology: Ernst K. Abbe, German physicist, 1840-1905; Carl Zeiss, German optician, 1816-1885
an apparatus for calculating the number of blood cells in a measured amount of blood. See also hemacytometer.

Abbé,

Ernst Karl, German physicist, 1840-1905.
Abbé condenser - a system of two or three wide-angle, achromatic, convex, and planoconvex lenses.
Abbé-Zeiss apparatus - instrument for counting red blood cells in blood sample. Synonym(s): Thoma-Zeiss apparatus

Thoma,

Richard, German histologist, 1847-1923.
Thoma ampulla - a dilation of the arterial capillary beyond the sheathed artery of the spleen.
Thoma fixative - nitric acid in 95% alcohol, used for decalcifying bone in the preparation of histologic specimens.
Thoma law - the development of blood vessels is governed by dynamic forces acting on their walls.
Thoma-Zeiss apparatus - Synonym(s): Abbé-Zeiss apparatus

Zeiss,

Carl, German optician, 1816-1888.
Abbé-Zeiss apparatus - see under Abbé, Ernst Karl
Thoma-Zeiss apparatus - Synonym(s): Abbé-Zeiss apparatus