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[Quantitative study of the heart in 2 human twin embryos at 14 mm C-R (stage 18)].

Authors
Type
Published Article
Journal
Acta anatomica
Publication Date
Volume
130
Issue
3
Pages
224–227
Identifiers
PMID: 3434173
Source
Medline
License
Unknown

Abstract

Two hearts of human twin embryos at 14 mm C-R (stage 18) were studied by means of light microscopy and quantitative methods. The serial sections of the embryos, 5 micron thick, were projected by using a microprojector for the measurement of the cardiac diameters and cardiac profile areas. The calculated heart volumes were 8.34 and 8.45 mm3, respectively. Cardiac volume is more accurate than linear measurement to establish quantitative development of the heart. It can also be considered an accessory index for embryonic classification.

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