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stethoscope

(Encyclopedia) stethoscopestethoscopestĕthˈəskōpˌ [key] [Gr.,=chest viewer], instrument that enables the physican to hear the sounds made by the heart, the lungs, and various other organs. The…

Chordata

(Encyclopedia) CE5 Common features in representative groups of the phylum Chordata ChordataChordatakôrdāˈtə, –däˈ– [key], phylum of animals having a notochord, or dorsal stiffening rod, as the…

hallucinogenic drug

(Encyclopedia) hallucinogenic drughallucinogenic drughəl&oomacr;ˌsənōjĕnˈĭk [key], any of a group of substances that alter consciousness; also called psychotomimetic (i.e., mimicking psychosis),…

anthrax

(Encyclopedia) anthraxanthraxănˈthrăks [key], acute infectious disease of animals that can be secondarily transmitted to humans. It is caused by a bacterium (Bacillus anthracis) that primarily…

Bruges

(Encyclopedia) Bruges Bruges br&oomacr;zh, Fr. brüzh [key] or Brugge Brugge…

Anatomy and
Physiology: The Four Chambers

The Four ChambersAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat So why do you need four chambers if three worked just fine for…

colitis

(Encyclopedia) colitis, inflammation of the colon, or large intestine. The term “colitis” may be used to refer to any of a number of disorders involving the colon. Symptoms include diarrhea (often…

cortisol

(Encyclopedia) cortisolcortisolkôrˈtĭsôlˌ [key] or hydrocortisone, steroid hormone that in humans is the major circulating hormone of the cortex, or outer layer, of the adrenal gland. Like cortisone…

glutamine

(Encyclopedia) CE5 glutamineglutaminegl&oomacr;ˈtəmēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer occurs in mammalian protein…

hantavirus

(Encyclopedia) hantavirus, any of a genus (Hantavirus) of single-stranded RNA viruses that are carried by rodents and transmitted to humans when they inhale vapors from contaminated rodent urine,…