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The Organogenesis of Camel (Camelus dromedarius) Adrenal Gland and its Relation to the Mesonephros, Metanephros and Gonads Topography and Histogensis Study

Hidaia B. Zolain, Dafaalla I. Osman

Asian Journal of Research in Animal and Veterinary Sciences · pp. 209–228 · Published 1 May 2021

10.9734/ajravs/2021/v4i3144

Abstract

The  aim  of  the  present  study  are  to  investigate the topography and histology of the adrenal gland during the early stages of development. This  study was conducted in 33 camel fetuses collected from different slaughter houses  in Sudan, then standards anatomical and histological studied were used to analysis theses amples. The primordium of the adrenal gland appeared in the intermediate mesoderm lateral to the aorta at 2.8 cm CVRL(Crown Vertebral Rump Length) foetus (73 days of age). The neuroblasts migrated from the neural crest through the dorsal mesentery and were found inside the capsule and their migration reached the maximum at 22 cm CVRL foetus (126 days of age).  The left adrenal gland was situated more caudal than the right adrenal gland. In conclusion, the cell of foetal zone was the first zone to be differentiated, the cells of zona fasiculata were formed as early as 7 cm CVRL foetus, then the cells of the zona glomerulosa were formed the medulla was larger than the cortex and the neuroblasts were began to be differentiated. The development of the camel foetal adrenal gland in general is similar to the development of the foetal adrenal glands of other domestic animals but with special features of its own.

Origin anlage urogenital ridge primordium coelomic epithelium adrenal gland neuroblasts neural crest medulla

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