Histology of Pineal body
The pineal
body is a projection of the roof of the diencephalon. It is located in the
brain above the superior colliculi.
Development
: it is developed from neuroectoderm
Histologically
it has following parts
a) Capsule : it is derived from pia
mater . pia mater is thin collagenous connective tissue .
Septa(trabeculae) arises
from capsule divide the gland into incomplete lobules. The blood vessels and
nerve travel in the trabeculae to be
distributed throughout the pineal body , providing it with rich vascular supply
b) Parenchymal cells :
1. Pinealocytes : it is larger than neuroglial cells contain
large, pale nuclei with prominent nuclei
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