Parietal eye

High school (ages 12+)
Human Body

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/parietal-eye

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. Who discovered Parietal eye?1872 by Franz Leydig
2. What is the scientific name?Parietal eye (also known as pineal eye or third eye)
3. What is the location within brain?Part of the epithalamus
4. What is the parietal eye and where is it located?It is a small extra eye on the top of some animals' heads. It sits in the brain's epithalamus and can be seen as a patch or scale on the skull.
5. How does the parietal eye help animals with their daily routines?It senses how bright and how long the light is. This tells the animal when to sleep, wake, or make hormones.

Epithalamus: A region of the brain containing the pineal gland and parietal eye.
Photoreception: The biological process of detecting light.
Circadian rhythm: An approximately 24-hour cycle that regulates sleep-wake patterns and other physiological processes.
Thermoregulation: The process by which animals maintain their body temperature within a certain range.