Category: R

Rate of breathing at rest, about 14 breaths per minute in an adult.  

That part of the pons and medulla oblongata of the brain that controls the rate of breathing in response to changes in the levels of oxygen and carbon dioxide in the blood. A group of nerve cells in the pons and medulla that control breathing. A region in the medulla oblongata of the brainstem that…

Complete cessation of breathing for any of a number of possible reasons. Sudden stoppage of breathing which results from any process that strongly suppresses the function of the brain’s respiratory centre. It leads to lack of oxygen in the tissues and, if not remedied, to cardiac arrest, brain damage, coma and death. Treatment is artificial…

Drug, used in ointments for acne and certain other disorders and in dandruff shampoos, that causes the skin to peel. A drug that causes the skin to peel. It is applied to the skin in ointments to treat such conditions as acne, and used in hair lotions for dandruff. If the drug is absorbed into…

Ability to endure stress (physical or mental) and return to normal, even in situations that appear overwhelming; elasticity. Within the realm of psychiatry, there exists a profound concept known as resilience, which pertains to an individual’s capacity to exhibit positive responses and recover from adversity, trauma, or challenging life experiences. Resilience is not merely a…

Any of a number of inhaled bronchodilators, usually in an aerosol can form, taken for relief of acute respiratory symptoms, usually in either asthma or chronic obstructive pulmonary disease (COPDX These medications are not taken on a regular basis, but only as needed when symptoms occur that are not well controlled by the patient’s usual…

Return to baseline electrochemical state of either a nerve or muscle tissue following depolarization. Involves a shift or sodium, potassium, and calcium ions. The process in which the membrane of a nerve cell returns to its normal electrically charged state after a nerve impulse has passed. During the passage of a nerve impulse a temporary…

Part or portion that is unused or left over; often used to refer to tissue from early development that is not completely absorbed during the growth process. Some feel that the appendix is a remnant of a structure that developmentally, may have served a useful function thousands of years ago. Something that remains or is…

Anesthesia of an area of the body through administration of a local anesthetic that blocks a group of sensory nerve fibers. Kinds of regional anesthesia include epidural anesthesia, paracervical block, pudendal block, saddle block anesthesia, and spinal anesthesia. The use of medication to make a portion of the body unable to feel pain. Regional anesthesia…

To break a bone that, having been broken before, mended in an abnormal way. Rebreaking of a fracture united in a malaligned position. The process of refracturing a broken bone to realign it into a more optimal position.