ASTIGMOMETER
\ɐstɪɡmˈɒmɪtə], \ɐstɪɡmˈɒmɪtə], \ɐ_s_t_ɪ_ɡ_m_ˈɒ_m_ɪ_t_ə]\
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By William R. Warner
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A device for measuring astigmatism.
By Alexander Duane
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An instrument for measuring the degree of astigmatism by determining the difference in refraction between the meridians of the cornea. [Gr.]
By Smith Ely Jelliffe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.