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N Andrade AnP Study
Physiology - Key Terms
| Term | Definition |
|---|---|
| Effectors | Organs that directly influence controlled physiological variables. |
| Feedback Control Loop | A highly complex and integrated communication control system or network that accomplishes self-regulation. |
| Set Point | The normal reading or range. |
| Homeostasis | The relatively constant state maintained by the body. |
| Circadian Cycles | The body's natural changing of set points to different values at different times of the day. |
| Homeostatic Control Mechanisms | Organs that are directly influenced by physiological variables or mechanisms. |
| Prion | A protein substance with no DNA or RNA, thought to be the cause of mad cow disease. |
| Pathogenesis | The course of disease development. |
| Hypothalamus | Known as the "body's thermostat", and is responsible for maintaining homeostasis. |
| Viruses | Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope. |
| Polymer | A large molecule made up of many identical small molecules. |
| Glycogen | A polymer of glucose that is sometimes referred to as animal starch. |
| Prostaglandin | The lipid that is often referred to as a "tissue hormone". |
| ATP | The form of energy that cells generally use. |
| Organic Molecules | The Carbon-Containing molecules formed by living things. |
| All proteins have which four molecules? | Carbon, Oxygen, Hydrogen, and Nitrogen. |
| Nucleic Acid | A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond. |
| Glucose | The most important monosaccharide. |
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NicholasA3228
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