## Abstract The nuclear band of the cells of the salivary glands of Chironomus larvae regularly consists of four segments or chromosomes. Each of these may be recognized by its characteristic distribution of chromatin discs of various sizes. When nucleolar elements are present they have a definite
A study of the germ cells of certain diptera, with reference to the heterochromosomes and the phenomena of synapsis
โ Scribed by Stevens, N. M.
- Publisher
- John Wiley and Sons
- Year
- 1908
- Tongue
- English
- Weight
- 927 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0022-104X
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โฆ Synopsis
Syr p hi dae.
Methods
With this material it was found that the best results could be obtained from fresh tissue mounted in Schneider's aceto-carmine.
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The reported existence of a fourth cell type that is present in the anterior hypophysis of many animals in addition to the traditional acidophiles, basophiles and chromophobes is one of the more interesting aspects of hypophyseal cytology. I n a study of cyclic histological variations in the anterio