In the same vein, the most common Powerball numbers picked are: 1  20: Drawn 75 times. 2  6: Drawn 74 times. 3  29: Drawn 72 times.  2: Drawn 69 1  times. 18: Drawn 68 times.
MRI scan showing the characteristic smooth brain of an individual with lissencephaly. Lissencephaly is a set of rare brain disorders where the whole or parts of the surface of the brain appear smooth. The word lissencephaly is derived from the Greek Î»Î¹ÏÏÏÏ lissos meaning smooth and encephalos meaning brain. It is caused by defective neuronal migration during the 12th to 24th weeks of gestation resulting in a lack of development of brain folds (gyri) and grooves (sulci). It is a form of cephalic disorder.
Definition of CEPHALIZATION. : a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head.ADVERTISEMENT. noun cephÂ·aÂ·liÂ·zaÂ·tion. : an evolutionary tendency to specialization of the body with concentration of sensory and neural organs in an anterior head.efinition of CEPHALIZATION. : a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head. ADVERTISEMENT. noun cephÂ·aÂ·liÂ·zaÂ·tion.