Reflex, pressor
A pressor reflex is a neurological (nerve) reflex that constricts arterioles (small blood vessels) and thereby increases the blood pressure.
“Pressor” refers to raising the blood pressure. The word comes from the French “presser” meaning “to exert pressure” or “to squeeze.”
Read Also:
- Reflux
The term used when liquid backs up into the esophagus from the stomach.
- Reflux disease, gastroesophageal (GERD)
The stomach contents regurgitate and back up (reflux) into the esophagus The food in the stomach is partially digested by stomach acid and enzymes. Normally, the partially digested acid content in the stomach is delivered by the stomach muscle down into the small intestine for further digestion. With esophageal reflux, stomach acid content refluxes back […]
- Reflux laryngitis
Inflammation of the larynx (voice box) caused by stomach acid backing up into the esophagus. Reflux laryngitis is associated with chronic hoarseness and symptoms of esophageal irritation such as heartburn, chest pain, asthma, or the feeling of a foreign b
- Reflux, esophageal
A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical tube that transports food from the mouth to the stomach). The food in the stomach is partially digested by stomach acid and enzymes. Normally, the partially digested acid content in the stomach is delivered by the stomach muscle into […]
- Refract
In ophthalmology, to determine the bending of light that takes place within the human eye. Refractive errors include nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. Lenses can be used to control the amount of refraction, correcting those errors.