Related Experiment Video
Updated: Jul 31, 2026

Functional Interrogation of Adult Hypothalamic Neurogenesis with Focal Radiological Inhibition
Published on: November 14, 2013
[Morphofunctional changes in the pineal gland during adaptation to hypothermia]
Abstract:
The influence of hypothermal stress (+4 degrees during 3 h) on the ways of serotonin metabolism in pineal gland and its structure has been studied in dynamics on adult male Wistar rats. It has been revealed that melatonin-producing epiphyseal function suffers from phase changes in dynamics of adaptation--significant rising during 15 min. after beginning of the experiment, rehabilitation up to normal--in 30 min, and fast suppressing--in 3 hrs. Suppressing of the functional pineal activity is not due to switched serotonin metabolism with melatonin and new indoles release, but to a partial pinealocytes breaking from their active function.
Related Concept Videos
The Pineal Gland
The primary secretion of the pineal gland is the hormone melatonin, derived from serotonin. The concentration of melatonin in the...
Thermoregulation
Major Hormones and Their Functions
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and lactation.
Cellular Adaptation I: Introduction and Atrophy

