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[The red blood cells in growing guinea pigs. (Cavia cobaya). II. Communication: erythropoiesis and red blood cells in the postnatal development period].

Abstract

Bone-marrow smears of 175 guinea pigs aged 1-27 days and venous blood samples of 351 animals aged 1-25 days were prepared for cell counting. A significant increase of erythroblasts were found between life day 1 and 2; normoblasts increased in number synchronously with a decrease of erythroblasts after the 5th day. The percentage of the erythroid bone marrow increased from 10 to 14 during the developmental period. Beyond the perinatal period the red blood picture is characterized by the following changes: a decrease of erythrocyte count, hematocrit, hemoglobin, mean corpuscular volume, and mean corpuscular hemoglobin; a constant mean corpuscular hemoglobin concentration; an increase of the reticulocyte count. The decrease of the red cell count is compensated by a decreasing oxygen affinity attained by an important increase of 2,3-DPG. Nevertheless, the stimulus for a raising erythropoiesis remains constant which can be shown by the growing percentage of erythroid cells and reticulocytes. The difference between the human postnatal development and that of the guinea pig becomes obvious. Cell counts in dependence of body masses in postnatally growing guinea pigs, veil the perinatal finding of the increase in erythrocytes up to the 5th day and the decrease of the mean corpuscular volume after the 3rd day.

Authors

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Pub Type(s)

English Abstract
Journal Article

Language

ger

PubMed ID

2428715

Citation

Schwartze, H, et al. "[The Red Blood Cells in Growing Guinea Pigs. (Cavia Cobaya). II. Communication: Erythropoiesis and Red Blood Cells in the Postnatal Development Period]." Folia Haematologica (Leipzig, Germany : 1928), vol. 113, no. 3, 1986, pp. 398-414.
Schwartze H, Michael B, Meyer C, et al. [The red blood cells in growing guinea pigs. (Cavia cobaya). II. Communication: erythropoiesis and red blood cells in the postnatal development period]. Folia Haematol Int Mag Klin Morphol Blutforsch. 1986;113(3):398-414.
Schwartze, H., Michael, B., Meyer, C., & Voigt, J. (1986). [The red blood cells in growing guinea pigs. (Cavia cobaya). II. Communication: erythropoiesis and red blood cells in the postnatal development period]. Folia Haematologica (Leipzig, Germany : 1928), 113(3), 398-414.
Schwartze H, et al. [The Red Blood Cells in Growing Guinea Pigs. (Cavia Cobaya). II. Communication: Erythropoiesis and Red Blood Cells in the Postnatal Development Period]. Folia Haematol Int Mag Klin Morphol Blutforsch. 1986;113(3):398-414. PubMed PMID: 2428715.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [The red blood cells in growing guinea pigs. (Cavia cobaya). II. Communication: erythropoiesis and red blood cells in the postnatal development period]. AU - Schwartze,H, AU - Michael,B, AU - Meyer,C, AU - Voigt,J, PY - 1986/1/1/pubmed PY - 1986/1/1/medline PY - 1986/1/1/entrez SP - 398 EP - 414 JF - Folia haematologica (Leipzig, Germany : 1928) JO - Folia Haematol. Int. Mag. Klin. Morphol. Blutforsch. VL - 113 IS - 3 N2 - Bone-marrow smears of 175 guinea pigs aged 1-27 days and venous blood samples of 351 animals aged 1-25 days were prepared for cell counting. A significant increase of erythroblasts were found between life day 1 and 2; normoblasts increased in number synchronously with a decrease of erythroblasts after the 5th day. The percentage of the erythroid bone marrow increased from 10 to 14 during the developmental period. Beyond the perinatal period the red blood picture is characterized by the following changes: a decrease of erythrocyte count, hematocrit, hemoglobin, mean corpuscular volume, and mean corpuscular hemoglobin; a constant mean corpuscular hemoglobin concentration; an increase of the reticulocyte count. The decrease of the red cell count is compensated by a decreasing oxygen affinity attained by an important increase of 2,3-DPG. Nevertheless, the stimulus for a raising erythropoiesis remains constant which can be shown by the growing percentage of erythroid cells and reticulocytes. The difference between the human postnatal development and that of the guinea pig becomes obvious. Cell counts in dependence of body masses in postnatally growing guinea pigs, veil the perinatal finding of the increase in erythrocytes up to the 5th day and the decrease of the mean corpuscular volume after the 3rd day. SN - 0323-4347 UR - https://www.unboundmedicine.com/medline/citation/2428715/[The_red_blood_cells_in_growing_guinea_pigs___Cavia_cobaya___II__Communication:_erythropoiesis_and_red_blood_cells_in_the_postnatal_development_period]_ DB - PRIME DP - Unbound Medicine ER -