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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

FAROUK, Sameh M; HASSAN, Said A; ELSAYED, Ahmed K  and  ABDO, Mohamed. Vesicles Stage of Camel Brain Development. Int. J. Morphol. [online]. 2019, vol.37, n.2, pp.498-503. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022019000200498.

A successive embryonic developmental study was conducted on the brain of twenty eight embryos and fetuses of one humped camel (Camelus Dromedarius), whose crown vertebral rump lengths (CVRL) ranged from 9 to 80 mm, collected from the El-Basateen (Cairo) and Belbees (ElSharqya) Slaughterhouse. The current investigation revealed that camel brain was found to consist of fore, mid and hind brains. The fore brain is divided into telencephalon and diencephalon while the rhombencephalon divided into metencephalon and myelencephalon. Flexures appeared between the vesicles are cervical flexure between the rhomencephalon and the spinal cord, cephalic flexure in the mesencephalon and pontine flexure between the metencephalon, and the myelencephalon of the hind brain (rhombencephalon). The cavity of the rhombencephalon is the fourth ventricle, while that of the diencephalon is the third ventricle, and those of the telencephalon are the lateral ventricles but that of mid brain is the cerebral aqueduct. myelencephalon becomes medulla oblongata and metencephalon developed to pons and cerebellum while mesencephalon gives rise to the cerebral crura and anterior and a posterior colliculus. Diencephalon gives the thalamus, hypothalamus, mamillary body, infundibulum and pineal body while telencephalon becomes the cerebral hemispheres and corpus striatum.

Keywords : Camel; Embryo; Vesicles; Brain; Development.

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