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Q bands

(Science: cell biology) The alternating bright and dull fluorescent bands seen on chromosomes under ultraviolet light after the chromosomes are stained with quinacrine. The Q stands for quinacrine, an agent used as an antimalarial agent and, in the laboratory, as a fluorescent...

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Quadrangular

Adjective of or relating to or shaped like a quadrangle (wordnetweb.princeton.edu) Word origin: from Medieval Latin quadrangularis “having four corners,” from Late Latin...

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Quadriceps

/ˈkwädrəˌseps/ Noun 1. A 4-headed muscle. 2. A large muscle at the front of your upper leg. (merriam-webster.com) 3. The greater extensor muscle of the front of the thigh that is divided into four parts. (merriam-webster.com) Word origin: Latin quadri = four, and caput =...

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Quadrigeminus

Noun 1. In the brain, the corpora quadrigemina are the four colliculi—two inferior, two superior—located on the tectum of the dorsal aspect of the midbrain. They are respectively named the inferior and superior colliculus. The corpora quadrigemina are reflex centers involving vision and hearing. (wikipedia.org) Word origin: Latin quadri = four, and gemini = paired or twinned; hence...

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Struggling in Biology?

Are You Premed?

Confused about the MCAT? Not sure how to prepare? This guide will show you how