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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.
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:
A jigsaw puzzle (with context, sometimes just jigsaw or just puzzle) is a tiling puzzle that requires the assembly of often irregularly shaped interlocking and mosaicked pieces. Typically each piece has a portion of a picture, which is completed by solving the puzzle.
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Trilateral retinoblastoma (TRb) is a malignant midline primitive neuroectodermal tumor occurring in patients with inherited uni- or bilateral retinoblastoma.In most cases trilateral retinoblastoma presents itself as pineoblastoma (pineal TRb).
disentanglement puzzles, folding puzzles; jigsaw puzzles. Puzz 3D is a three-dimensional variant of this type. lock puzzles; A puzzle box can be used to hide something — jewelry, for instance. sliding puzzles (also called sliding tile puzzles) such as the 15 Puzzle and Sokoban; tiling puzzles like Tangram; Tower of Hanoi
There are a few contributing factors in biology which may affect Darwinian puzzles. Coefficient of relatedness (r): the percentage of genes shared by two animals. This may be based on common descent. Animals may share 1/4, 1/2, or even in some cases all of their genes with others. Identical twins have a coefficient of relatedness of r=1.