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Related Concept Videos

The Pineal Gland01:02

The Pineal Gland

2.3K
The pineal gland, a diminutive endocrine structure named for its pinecone-shaped appearance, is situated atop the third ventricle within the diencephalon region of the forebrain. This gland, composed of secretory cells known as pinealocytes arranged in compact cords and clusters around dense particles of calcium salts, plays a pivotal role in hormonal regulation.
The primary secretion of the pineal gland is the hormone melatonin, derived from serotonin. The concentration of melatonin in the...
2.3K

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Related Experiment Video

Updated: Aug 27, 2025

In Vivo Microdialysis Method to Collect Large Extracellular Proteins from Brain Interstitial Fluid with High-molecular Weight Cut-off Probes
08:17

In Vivo Microdialysis Method to Collect Large Extracellular Proteins from Brain Interstitial Fluid with High-molecular Weight Cut-off Probes

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Pineal Microdialysis.

Caroline Aparecida Pereira de Souza1, Fernanda Akane Nishino1, Fernanda Gaspar do Amaral2

  • 1Pineal Neurobiology Lab, Department of Physiology, Federal University of São Paulo, São Paulo, SP, Brazil.

Methods in Molecular Biology (Clifton, N.J.)
|September 30, 2022
PubMed
Summary

Pineal microdialysis enables real-time monitoring of pineal gland metabolism in vivo. This chapter details the probe manufacturing, surgical implantation, and sample collection for this advanced technique.

Keywords:
MicrodialysisPineal glandPineal gland DialysateSurgery

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Area of Science:

  • Neuroscience
  • Endocrinology
  • Biochemistry

Background:

  • The pineal gland regulates crucial physiological processes.
  • Understanding pineal gland metabolism requires in vivo techniques.
  • Real-time monitoring offers significant advantages over traditional methods.

Purpose of the Study:

  • To describe the methodology of pineal microdialysis.
  • To provide a comprehensive guide for researchers interested in pineal gland function.
  • To highlight the utility of real-time in vivo monitoring.

Main Methods:

  • Detailed description of pineal microdialysis probe manufacturing.
  • Step-by-step surgical procedure for probe implantation in vivo.
  • Protocols for continuous sample collection over 24 hours.

Main Results:

  • Enables real-time monitoring of melatonin and neurotransmitters.
  • Allows for the study of dynamic changes in pineal gland metabolism.
  • Provides valuable data on in vivo pineal gland activity.

Conclusions:

  • Pineal microdialysis is a powerful tool for studying the pineal gland.
  • The described methods facilitate accurate and continuous in vivo analysis.
  • This technique enhances our understanding of pineal gland physiology and pathophysiology.