تلفظ بین المللی : /fɹˈakʃənəɹi/ تلفظ : [fr'akS@n@ri]
English
Fractional.
1. (Anat.) The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the caviti...
