Vol. 21 (4) 2000 Neuro endocrinology letters

The effect of continuous darkness and illumination on the function and the morphology of the pineal gland in the domestic pig. Part II: The effect on pinealocyte ultrastructure.

: OBJECTIVES: The characteristic feature of the pig pinealocytes is the presence of numerous membrane bounded bodies (MBB), which according to our previous results may be involved in the secretory activity. The present study was undertaken to analyze the effect of continuous darkness and illumination on the ultrastructure of the pig pin.....