Science / Weather / Circulation Cells: Large areas of air movement created by the rotation of the earth and the transfer of heat from the equator toward the poles. Circulation is confined to a specific region, such as the tropics, temperate, or polar, that influences the type of weather prevailing there.
Circulation Noun Synonyms: circuit, course, orbit, flow, flowing, motion
Science / Biology / Plasma Cells: Cells produced from B cells that synthesize and release antibodies. MORE
Science / Biology / Schwann Cells: Specialized glial cells that form the myelin sheath that coats many axons. Cells surrounding the axons of some neurons, thus forming the myelin sheath. MORE
Business / Internet Marketing / Net Monthly Circulation: The number of unique Web users in the panel that visited the site over the course of the reporting period, expressed as a percentage of the in-tab. MORE
Science / Biology / Mast Cells: Cells that synthesize and release histamine, as during an allergic response; found most often in connective tissue surrounding blood vessels. MORE
Science / Biology / Langerhans Cells: Epidermal cells that participate in the infiammatory response by engulfing microorganisms and releasing chemicals that mobilize immune system cells. MORE