Light micrograph of a sagittal section of a human pineal gland. The pineal recess is on the left, situated between the two commissures. The habenular commissure shows calcium concretions. The pineal parenchyma shows a huge cyst occupying more than half of the gland.

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Photo credit: © JOSE CALVO / SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: -, anatomy, background, body, cerebri, circadian, conarium, endocrine, epiphysis, epithalamus, gland, histological, histology, hormonal, hormone, human, light, lm, melatonin, micrograph, microscope, microscopy, pineal, rhythm, white