PINEAL Meaning and
Definition
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The term "pineal" refers to the pineal gland, an endocrine gland located in the brain. It is often described as a small, pinecone-shaped structure that is situated near the center of the brain, at its posterior end. The pineal gland is primarily responsible for producing and secreting melatonin, a hormone that regulates sleep patterns and circadian rhythms.
The pineal gland is an important part of the body's overall endocrine system, which is responsible for the production and regulation of various hormones. It synthesizes melatonin in response to different stimuli, including changes in light exposure. When exposed to darkness, the pineal gland secretes more melatonin, leading to drowsiness and the initiation of sleep. Conversely, exposure to light inhibits melatonin production, promoting wakefulness.
Beyond its role in regulating sleep and wakefulness, the pineal gland has also been associated with other functions. It is thought to play a part in the body's response to stress and to have an influence on mood, immune system function, and sexual maturation. Additionally, the pineal gland has been the subject of several esoteric and spiritual theories, with some suggesting it has a connection to consciousness and spiritual experiences.
In summary, the term "pineal" refers to the pineal gland, an endocrine gland located in the brain that produces and secretes melatonin. Its primary function is the regulation of sleep patterns and circadian rhythms, and it is also implicated in other physiological processes and sometimes associated with spiritual theories.
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Shaped like or relating to a pine-cone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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Pert. to or like the fruit of a pine-tree.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PINEAL
Etymology of PINEAL
The word pineal comes from the Latin word pinealis, which is derived from the noun pinus, meaning pine tree. It is named after its resemblance to a pine cone in shape. The pineal gland, a small endocrine gland located in the brain, was associated with the pineal shape and function, hence the term pineal.
Similar spelling words for PINEAL
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