See Also: prelector(dictionary)

pineal (iou) and prelector (iou)


pineal (iou)



pineal adjective & noun. L17.
[French pineal, from Latin pinea pine cone (from the organ's shape in humans): see -AL1.]
Anatomy.
A. adjective.
1. pineal gland, pineal organ, pineal body, a small outgrowth behind and above the third ventricle of the brain, which has an endocrine function, in some vertebrates forming a light-sensitive median eye (pineal eye) involved in control of circadian rhythms, and in others secreting melatonin. L17.
2. Pertaining to, connected with, or forming part of the pineal gland. L19.
B. noun. The pineal gland. E20.
pinea'lectomize verb trans. perform pinealectomy on E20.
pinea'lectomy noun (an instance of) surgical removal of the pineal gland E20.
pine'alocyte noun an epithelioid cell characteristic of the pineal gland, which secretes melatonin and Other hormones M20.
pinea'loma noun, pl. -mas, -mata , Medicine a tumour of the pineal gland, thought to arise from the parenchymal cells E20.

prelector (iou)



prelector noun. Also praelector. L16.
[Latin praelector, from praelegere: see PRELECT, -OR.]
A public reader or lecturer, esp. in a college or university.
prelectorship noun the position or office of prelector L19.