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Anatomy
Weeks 6-12 Flashcards
| Term | Definition |
|---|---|
| cranial nerves | nerves that originate from the brain or exit through the skull |
| spinal nerves | nerves that originate from the spinal cord and do not exit the skull |
| neurons | excitable cells that conduct the impulses that make possible all nervous system functions. |
| Schwann cells | found only in the PNS and support nerve fibers and sometimes form a myelin sheath around them |
| levodopa | the chemical used by the brain to make dopamine |
| receptor potential | a graded response graded to the strength of the stimulus |
| referred pain | The stimulation of pain receptors in deep structures that is felt in the skin that lies over the affected organ or in an area of skin on the body's surface that is far removed from the site of the disease or injury |
| root hair plexuses | rapidly adapting free nerve endings that are activated when very slight movement on or in the skin bends or de-forms a hair shaft or follicle surrounded by the receptor |
| hypophyseal portal system | carries blood from the hypothalamus directly to the adenohypophysis, where the target cells of the releasing hormones are located |
| aldosterone | the only physiologically important mineralocorticoid whose primary function is the maintenance of sodium homeostasis in the blood. |
| cortisol, cortisone, and corticosterone | chief glucocorticoids secreted by the zona fasciculata of the adrenal cortex |
| ghrelin | produced by epsilon cells near the outer boundary of pancreatic islets. It stimulates hunger. |
| inhibin | a glycoprotein hormone that helps to regulate FSH levels in women. |
| Diabetes Insipidus | Metabolic disorder characterized by excessive urination and excessive thirst because of a decrease in the kidney’s retention of water |
| Adult Stem Cells | cells that have the ability to maintain a constant population of newly differentiating cells of a specific type |
| heparin | a natural constituent of blood that acts as an antithrombin |
| fibrinolysis | the process of dissolving clots |
| allostatic overload | the physical or mental health problems such as hypertension, depression, and metabolic syndrome--that result with long-term exposure to stress |
| fetal programming | relationship between stressful events during fetal development and the appearance of specific anatomical, physiological, or disease states that occur later in life |
| esophageal hiatus | an opening in the diaphragm located near the junction between the terminal portion of the esophagus and the stomach |
| fundus, body, and pylorus | the major divisions of the stomach |
Created by:
msktdean
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