Mathematical approach to measurements on embryonic chick lens | Zendy

Wolpow Edward R. | Zendy; Marimont Rosalind B. | Zendy

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Mathematical approach to measurements on embryonic chick lens

Author(s) -

Wolpow Edward R.,

Marimont Rosalind B.

Publication year - 1967

Publication title -

journal of morphology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.652

H-Index - 74

eISSN - 1097-4687

pISSN - 0362-2525

DOI - 10.1002/jmor.1051210107

Subject(s) - lens (geology) , spheroid , curvature , oblate spheroid , biology , anatomy , optics , physics , geometry , mathematics , classical mechanics , in vitro , biochemistry

Profiles of fresh chick lenses of 5, 8, 11, 14, 17 and 20 days embryological age were photographed and from tracings of these profiles, volumes were calculated using a formula for volume of a solid of revolution. Accurate volumes were also obtained by assuming the lens to be two half oblate spheroids of different minor axis, or, better, two half‐solids of profile (x/a) k + (y/b) k = 1. In addition, the k in this equation described well the curvature of the lens profiles and thus provided a quantitative measure of developing lens shape. Lens diameter, depth and shift of equatorial diameter upon lens axis as a function of age were also studied.

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