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Experimental study of the origin of the parathyroid glands
1Departamento de Ciencias Morfológicas, Facultad de Medicina, Universidad de Granada, España.
Acta Anatomica
|January 1, 1991
Abstract:
The origin of the parathyroid glands was investigated in chick embryos (Gallus domesticus). Pieces of the third branchial arch were grafted, and its ectodermal layer formed a new structure (parathyroid III), which became separated from the placodial ectoderm. This structure continued to develop until, together with neural crest cells which gave rise to the mesenchyme, it formed a distinct parathyroid III gland by stage 28 of Hamburger and Hamilton.