monosynaptic reflex arc

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• Reflex arc — A reflex arc is a neural pathway that controls an action reflex. In higher animals, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This characteristic allows reflex actions to occur relatively quickly by …   Wikipedia

• Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

• monosynaptic — Referring to direct neural connections (those not involving an internuncial neuron); e.g., the direct connection between primary sensory nerve cells and motor neurons characterizing the m. reflex arc. * * * mono·syn·ap·tic .män ō sə nap tik adj… …   Medical dictionary

• Patellar reflex — The patellar reflex or knee jerk is a stretch reflex and is a myotatic reflex. MechanismStriking the patellar tendon with a tendon hammer just below the patella stretches the quadriceps tendon. This stimulates stretch sensory receptors (most… …   Wikipedia

• Sistema nervioso — Este artículo o sección necesita una revisión de ortografía y gramática. Puedes colaborar editándolo (lee aquí sugerencias para mejorar tu ortografía). Cuando se haya corregido, borra este aviso por favor …   Wikipedia Español

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• Spinal shock — was first defined by Whytt in 1750 as a loss of sensation accompanied by motor paralysis with initial loss but gradual recovery of reflexes, following a spinal cord injury (SCI) most often a complete transection. Reflexes in the spinal cord… …   Wikipedia

• animal behaviour — Introduction       any activity of an intact organism.       A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …   Universalium

• mon|o|syn|ap|tic — «MON uh sih NAP tihk», adjective. Biology. consisting of a single synapse: »The simplest reflex pathway in the spinal cord…is a monosynaptic, or two neuron, arc consisting of a fiber from a sensory neuron forming a synapse with a motoneuron… …   Useful english dictionary