Recently, while studying preparatioiis of thc mesoiicpliros of Necturus, which had h e n successfully prepared accordiiig to the ?Jassoiio\r-I\'olatclicv method for the demoiistratioii of the Golgi apparatns, my attention was nttiwted to definite hlackcnetl granules present in the erythrocytes which
Chondriome and vacuome of the differentiating erythrocyte of Necturus and their relation to the so-called Golgi substance of erythrocytes
β Scribed by Dawson, Alden B.
- Publisher
- John Wiley and Sons
- Year
- 1930
- Tongue
- English
- Weight
- 796 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0003-276X
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β¦ Synopsis
I n an earlier paper a brief and iiicomplete description of the chondriosomes of the erythrocytes of Necturus was given (Dawson, '28). At that time the features of main interest were the morphology and staining reactions of the so-called segregation apparatus, which now appears to be homologous with the vaciiome described by Parat and fellow workers as typical of many animal cells. However, in the erythrocytes of Necturus the bodies reacting with' neutral red appear to be of greater density than the surrounding cytoplasm and might more appropriately be called granules rather than vacuoles. Only scant attention was given to the chondriosomes. They were then described as granular, but frequently grouped in short chains, and no characteristic distribution of these elements was noted. Subsequent obserrations indicated that this brief description was so incomplete as to be almost inaccurate, but it was only recently that the material for a satisfactory study of the chondriosomes was obtained.
As shown in a previous study (Dawson, '30 b), the eryihrocytes of Necturus undergo extensive degenerative changes following the immersion of these animals for several days in a solution of lead acetate (1 : 20,000). The injured erythrocytes are rapidly removed by phagocytosis which is so intense that great numbers of macrophages are even 281 THE ANIT0311CAL RhCORD, T O L 46, NO. 3
π SIMILAR VOLUMES
M a w College ## THREE FIGURES The methods employed were based primarily on the work of Scott (,as) on the vital staining of blood cells.
De p n rtwi e l i t of Ilztem 01 Jlerlicine, Xinnc.apolis Gene rnl Hasp i t d , JIiii iicsot ( I OKE PL.\TE (TWO FIGURES) \* P a r k 1)nvis Felloir in Clinical Heniatology.