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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.
Much of the UK is being hit with cold weather. Here are some tips for coping with low temperatures. LIVE: New weather warnings issued as snow and ice disrupt UK travel
A paraganglioma is a rare neuroendocrine neoplasm that may develop at various body sites (including the head, neck, thorax and abdomen). When the same type of tumor is found in the adrenal gland, they are referred to as a pheochromocytoma.
He's like, 'I mean, it's kind of ridiculous.'" Aydin then called the fellow customer a "freaking jerk" in the video. She noted that she also recorded the encounter, and that the man claimed he'd ...
The first patient in the U.S. was hospitalized with "severe" bird flu. Here's what you should know about symptoms, according to an infectious disease expert.