pineal recess
pineal recess noun: a small anatomical space or diverticulum at the posterior of the brain's third ventricle, where it extends into the pineal gland; believed to be a key site for the hormone melatonin to enter the cerebrospinal fluid.

Noun
pineal recess (plural pineal recesses)
- A small anatomical space or diverticulum at the posterior of the brain's third ventricle, where it extends into the pineal gland; believed to be a key site for the hormone melatonin to enter the cerebrospinal fluid.
Forms of pineal recess
| plural | pineal recesses |
|---|
Origin of pineal recess
From pineal + recess.
Questions about pineal recess
- What does pineal recess mean?
- Pineal recess means a small anatomical space or diverticulum at the posterior of the brain's third ventricle, where it extends into the pineal gland; believed to be a key site for the hormone melatonin to enter the cerebrospinal fluid.
- What part of speech is pineal recess?
- Pineal recess is a noun.
- What is the plural of pineal recess?
- The plural of pineal recess is pineal recesses.
Words near pineal recess in the dictionary
Source and license
Adapted from Wiktionary: pineal recess (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “pineal recess.” Word.ws, https://word.ws/pineal_recess. Based on Wiktionary, CC BY-SA 4.0.
