Atrioventricular (AV) Node

Science / Biology / Atrioventricular (AV) Node: Tissue in the right ventricle of the heart that receives the impulse from the atria and transmits it through the ventricles by way of the bundles of His and the Purkinje fibers.

Palinode

Entertainment / Literature / Palinode: Singing again): A poem, song, or section of a poem or song in which the poet renounces or retracts his words in an earlier work. Usually this is meant to apologize or counterbalance earlier material. MORE

Nodes

Science / Astrology / Nodes: The two points in a planet's orbit which intercept the Earth's path around the sun (otherwise known as the ecliptic). MORE

Node Of Ranvier

Science / Biology / Node Of Ranvier: A gap between two of the Schwann cells that make up an axons myelin sheath; serves as a point for generating a nerve impulse. MORE

Node Factor (F)

Science / Tides and Currents / Node Factor (F): A factor depending upon the longitude of the Moon's node which, when applied to the mean coefficient of a tidal constituent, will adapt the same to a particular year for which predictions are to be ma MORE

Planetary Node

Science / Astrology / Planetary Node: The point at which a planet's path intersects the ecliptic; declination, 0°. The term is usually reserved for nodes other than the Moon's Nodes. MORE

Reishi Mushroom (Ganoderma sinensis)

Health / Herbs / Reishi Mushroom (Ganoderma sinensis): An immunostimulant MORE

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