we have previously shown ( ruiz-marcos et al . 1980 , 1982 ) that thyroidectomy ( t ) performed in rats at 40 days of age , well past the neonatal period of development , results by 80-90 days of age in a decrease of the number of spines along the shaft of pyramidal neurons with the cell body in layer v in the visual area of the cerebral cortex .
C0027882
neurons
C0599444
cell body