Study of migration of neural crest cells to adrenal medulla by three-dimensional reconstruction

The Journal of Veterinary Medical Science
Masako YamamotoKazuyoshi Arishima

Abstract

Adrenal medullary cells are derived from the neural crest. To study the formation process of the adrenal medulla in the embryonic period, we visualized chromaffin cells of rat embryos at 13 to 17 days of gestation using anti-tyrosine hydroxylase (TH) antiserum, and created three-dimensional images from serial tissue sections. Between 13 and 15 days of gestation, TH-positive cells (chromaffin cells) migrated from a group of TH-positive cells present dorsal to the adrenal primordium via the medial cranial end of the adrenal primordium into the adrenal primordium. At or after 16 days of gestation, the adrenal capsule was formed except on the ventral aspect of the cranial end of the adrenal gland, from which TH-positive cells penetrated into the adrenal gland. The reconstructed images showed that TH-positive cells were present contiguously from the sympathetic chain ganglia through a group of TH-positive cells ventral to the adrenal gland into the adrenal cortex, and that the group of TH-positive cells ventral to the adrenal gland communicated with the preaortic ganglion present ventral and caudal to the adrenal gland. These results suggest that neural crest cells use the same pathway to migrate to the sympathetic chain ganglia dor...Continue Reading

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Citations

Jul 12, 2011·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·Yukio KatoriGen Murakami
May 11, 2006·Cell and Tissue Research·Jennifer LohrKatrin Huber
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Jul 6, 2012·Anatomia, histologia, embryologia·S QiuC Hu
Nov 20, 2009·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Karine BibeauMichèle Brochu

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