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RED CELL DIAMETERS IN HUMAN CORD AND NEONATAL BLOOD
Author(s) -
Breathnach Caoimhghin S.
Publication year - 1962
Publication title -
quarterly journal of experimental physiology and cognate medical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 101
eISSN - 1469-445X
pISSN - 0033-5541
DOI - 10.1113/expphysiol.1962.sp001586
Subject(s) - cord blood , cell , chemistry , andrology , anatomy , biology , medicine , immunology , biochemistry
The fall in mean cell volume and diameter during intrauterine and early extra‐uterine life has suggested that fœtal cells are larger than adult. Direct measurements of their diameters has been made by differential acid‐phosphate elution and the use of an image‐splitting microscope [Dyson, 1959]. These show that the mean diameter of fœtal cells is significantly lower than that of adult erythrocytes in fœtal and neonatal blood, and that the reduction in mean cell volume is accomplished by the disappearance of large cells which, since they contain adult hæmoglobin exclusively, can properly be called adult macrocytes.