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In a data set, the value that half the data points fall below and half the data points fall above. It is used along with the mean; it is not as influenced by extreme values as the mean.
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The middle number of a series. See also mean, which includes examples.

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References in periodicals archive ?
The superior hypophysial artery feeds into a capillary plexus that is located in the median eminence of the hypothalamus.
Carapace: With very fine granulation throughout, and densely covered with greater but weak rounded granules especially in the dark brown areas; lateral margins not parallel; anterior margin weakly, evenly concave and lacking median eminence (Fig.
The neurohypophysis proper comprises the median eminence of the tuber cinereum, the infundibulum, the pituitary stalk, and the posterior or neural lobe of the pituitary gland.
There are three eminences on the anterior of m1 of Microtus montanus, but the two lateral ones are apparently to become triangles T6 and T7, confluent with the anterior loop; the median eminence is faintly bifurcate on three of the five specimens.
Activation of erbB-1 signaling in tanycytes of the median eminence stimulates transforming growth factor beta1 release via prostaglandin [E.sub.2] production and induces cell plasticity.