(pl. rami communicans) A bundle of nerve fibers passing from one nerve to join another. – White ramus communicans – communicating ramus (containing lightly myelinated, preganglionic fibers) between a mixed spinal nerve and one of the ganglia of the sympathetic chain. – Gray ramus communicans – communicating ramus (containing unmyelinated, postganglionic fibers) between one the ganglia of the sympathetic chain and a mixed spinal nerve.
Letter: r
A projecting part, elongated process, or branch of a nerve being or located near, on, or toward the back or posterior part of the human body; pertaining to the back or any dorsum.
A projecting part, elongated process, or branch of a nerve of or relating to the belly (abdominal); being or located near, on, or toward the front or anterior part of the human body.
Radioallergosorbent Test
Respiratory Care Practitioners (professionals)
Respiratory Distress Syndrome (of infants)
This term refers to the process of opening collapsed or partially collapsed alveoli and adjacent airways to allow for oxygenation. This is done with a ventilator or surfactant or both.
A set of physiological and metabolic complications associated with reintroducing adequate nutrition too rapidly for a person with severe protein-calorie malnutrition.
Pain felt at a site different from that of an injured or diseased organ or body part.
Anesthesia provided by injecting a local anesthetic to block a group of sensory nerve fibers. The tissues are anesthetized layer by layer, as the surgeon approaches the deeper structures of the body. Regional anesthesia has largely replaced local anesthesia for major procedures.