. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Chronological Changes in Placental Function 119 £ 90- Ul o 5 80 E % 70 ANIMAL MGS N4TRANSFERRED TOTAL GESTATION" PER GM PLACENTA PER HR. PERIOD IN DAYS AT MAXIMUM GUINEA PIG 67 23 32 62 154 114 RAT RABPiT CAT GOAT SOW. 04 05 06 07 PERIOD OF GESTATION IN TENTHS OF TOTAL Fig. 1. Transfer of sodium across unit weight of placenta in unit time in different species. (After Gellhorn and Flexner, 1942.) rats an amount of 59Fe adequate to produce a constant specific activity
. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Chronological Changes in Placental Function 119 £ 90- Ul o 5 80 E % 70 ANIMAL MGS N4TRANSFERRED TOTAL GESTATION" PER GM PLACENTA PER HR. PERIOD IN DAYS AT MAXIMUM GUINEA PIG 67 23 32 62 154 114 RAT RABPiT CAT GOAT SOW. 04 05 06 07 PERIOD OF GESTATION IN TENTHS OF TOTAL Fig. 1. Transfer of sodium across unit weight of placenta in unit time in different species. (After Gellhorn and Flexner, 1942.) rats an amount of 59Fe adequate to produce a constant specific activity in the mother which may possibly also have been the maximum saturation. There was a rise in the total iron in the litters and an increasing percentage of labelled Fe was recovered from the litters (Fig. 2). But when the iron/foetal 26 r. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ciba Foundation; Wolstenholme, G. E. W. (Gordon Ethelbert Ward). Boston, Little, Brown
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Keywords: ., bookcentury1900, bookpublish, booksubjectaging, booksubjectoldage
