| Namespace | MPheno.ontology | Obsolete | false |
| description | aberrant formation or incomplete differentiation of the pineal gland which normally develops from a saccular outpocketing of the posterior diencephalic roof in the midline of the third ventricle; continued diverticulation and infolding result in a solid parenchymal mass of cords and clusters of pinealocytes and glial-like interstitial cells supported by a meninges-derived connective tissue that carries blood vessels and nerves to the pineal gland |
