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A pinealoma is a tumor of the pineal gland, a part of the brain that produces melatonin. If a pinealoma destroys the cells of the pineal gland in a child, it can cause precocious puberty . Signs and symptoms
The pineal gland is a small organ in the center of the brain that is responsible for controlling melatonin secretion. [2] Several tumors can occur in the area of the pineal gland, with the most aggressive being pineoblastoma.
Evidence from morphology and developmental biology suggests that pineal cells possess a common evolutionary ancestor with retinal cells. [62] Pineal cytostructure seems to have evolutionary similarities to the retinal cells of the lateral eyes. [62] Modern birds and reptiles express the phototransducing pigment melanopsin in the pineal gland.
Illustration from the book Histoire naturelle by Louis Renard, published in Amsterdam in 1754.. Biological illustration is the use of technical illustration to visually communicate the structure and specific details of biological subjects of study.
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In order to maintain a standard for Cell and molecular biology articles a standard color scheme should be used. The accepted colors for cellular locations are described in the table. Colors for other components, such as molecules, can be chosen at the discretion of the designer, however, the following should be considered:
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