Reflex - Wikipedia
WEBIn biology, a reflex, or reflex action, is an involuntary, unplanned sequence or action [1] and nearly instantaneous response to a stimulus. [2] [3] The simplest reflex is initiated by a stimulus, which activates an afferent nerve. The signal is then passed to a response neuron, which generates a response.
What are reflexes? Definition and examples - Medical News Today
WEBSep 13, 2023 · Reflexes are automatic and involuntary actions the body produces in response to certain stimuli. While some reflexes can involve muscles and movement, others involve internal processes within...
Reflexes - Physiopedia
WEBA reflex is an involuntary and nearly instantaneous movement in response to a stimulus. The reflex is an automatic response to a stimulus that does not receive or need conscious thought as it occurs through a reflex arc.
Human nervous system - Reflex Actions, Motor Pathways, …
WEBBy reflex, Hall meant the automatic response of a muscle or several muscles to a stimulus that excites an afferent nerve. The term is now used to describe an action that is an inborn central nervous system activity, not involving consciousness , in which a particular stimulus, by exciting an afferent nerve, produces a stereotyped , immediate ...
Reflex | Physiology, Definition, Types & Examples | Britannica
WEBReflex, in biology, an action consisting of comparatively simple segments of behaviour that usually occur as direct and immediate responses to particular stimuli uniquely correlated with them. Many reflexes of placental mammals appear to be innate.
Reflexes – Basic Human Physiology
WEBDescribe the following reflexes and name all components of each reflex arc: stretch reflex, (Golgi) tendon reflex, flexor (withdrawal) reflex, and crossed-extensor reflex. Reflexes can be spinal or cranial, depending on the nerves and central components that are involved.
Reflexes – Boundless Anatomy and Physiology
WEBA reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus. When a person accidentally touches a hot object, they automatically jerk their hand away without thinking.
Reflex Arc - Definition, Steps, Components, and Diagram
WEBApr 29, 2023 · 1. Stimulus. It is any change in the environment (internal or external) detected by a receptor. It initiates a response known as the reflex. It can be anything like a heat or cold sensation, an electron shock, and touching a sharp object. 2. Receptor. It detects the stimulus and transmits the nerve impulses to the brain for decision-making.
12.10A: Components of a Reflex Arc - Medicine LibreTexts
WEBJan 17, 2023 · Reflexes, or reflex actions, are involuntary, almost instantaneous movements in response to a specific stimulus. Reflex arcs that contain only two neurons, a sensory and a motor neuron, are considered monosynaptic. Examples of monosynaptic reflex arcs in humans include the patellar reflex and the Achilles reflex.
BBC Science & Nature - Human Body and Mind - Nervous System …
WEBFeb 12, 2004 · Discover how your reflexes work.
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