Growth and death of cells of the mesencephalic fifth nucleus in Rana pipiens larvae
โ Scribed by Jerry J. Kollros
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 939 KB
- Volume
- 224
- Category
- Article
- ISSN
- 0021-9967
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๐ SIMILAR VOLUMES
Rohon-Beard (R-B) neurons of the medulla oblongata and spinal cord of anurans originate during gastrulation, become distinguishable just after closure of the neural tube, and are present in maximum numbers at the end of the embryonic period, just before feeding begins. Cell deaths are first seen in
## Abstract The lifespan of herbivorous __Rana pipiens__ larvae is โผ3 months, while that of carnivorous __Ceratophrys ornata__ larvae is only about 2 weeks. During metamorphic climax, the larval gut shortens dramatically, especially in __R. pipiens__, and its luminal epithelium is replaced by adult
During the period of natural cell death in the developing mammalian brain, both target cells and afferents have been shown to be important for neuronal survival, Here we demonstrate that afferents and targets have interactive roles in the maintenance of cells during development of the mesencephalic