General

General

General nature or nature terms.

Industry: Natural environment

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General

medulla oblongata

Biology; General

The region of the brain that, with the pons, makes up the hindbrain; controls heart rate, constriction and dilation of blood vessels, respiration, and digestion.

medusa

Biology; General

The motile bell-shaped form of body plan in cnidarians; e.g., jellyfish.

micropyle

Biology; General

The end of the embryo sac where the egg cell and synergids are located.

megakarocytes

Biology; General

Cells found in the bone marrow that produce platelets.

megaspores

Biology; General

Four haploid cells produced by meiosis in the ovule of a flower. Usually, three of these cells degenerate, with the remaining cell becoming the female gametophyte phase of the plant's life cycle. ...