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... • One long axon with cell body that may • Found entirely in CNS be near source of stimuli or in swelling of a spinal nerve (GANGLION) • Dendron is usually longer than the ...
... • One long axon with cell body that may • Found entirely in CNS be near source of stimuli or in swelling of a spinal nerve (GANGLION) • Dendron is usually longer than the ...
Power Point
... Neurotransmitters of the peripheral nervous system are excitory – increase in permeability of affected membrane for sodium ions. Acetylcholine is the neurotransmitter for cranial, spinal, and parasympathetic divisions of the autonomic ...
... Neurotransmitters of the peripheral nervous system are excitory – increase in permeability of affected membrane for sodium ions. Acetylcholine is the neurotransmitter for cranial, spinal, and parasympathetic divisions of the autonomic ...
File
... Babinski sign (Plantar Reflex) • Rub a pencil eraser from heel to toe on the outer edge of the sole of partners foot ▫ Normal response – foot curls ▫ Abnormal response – toes extend Normal under 2 years of age b/c the nervous system is not completely developed Later in life, it is a sign of a C ...
... Babinski sign (Plantar Reflex) • Rub a pencil eraser from heel to toe on the outer edge of the sole of partners foot ▫ Normal response – foot curls ▫ Abnormal response – toes extend Normal under 2 years of age b/c the nervous system is not completely developed Later in life, it is a sign of a C ...
Reflex and autonomic nervous system
... Has sensory receptors that collect information form internal and external environments. The information is passed on to the central nervous system. Pair share: name 2 things that the sensory receptors might collect from the internal and external environment. ...
... Has sensory receptors that collect information form internal and external environments. The information is passed on to the central nervous system. Pair share: name 2 things that the sensory receptors might collect from the internal and external environment. ...
chapter_12 - The Anatomy Academy
... information transmitted into brain or spinal cord lie between sensory and motor pathways in CNS 90% of our neurons are interneurons process, store and retrieve information ...
... information transmitted into brain or spinal cord lie between sensory and motor pathways in CNS 90% of our neurons are interneurons process, store and retrieve information ...
NERVOUS SYSTEM Aids in remembering, thinking, moving
... Divides spinal cord into right and left halves ...
... Divides spinal cord into right and left halves ...
Nervous System
... • Impulse passes(by means of a synapse) to a connecting neuron called the relay neuron • Relay makes a synapse with one or more motor neurons that transmit the impulse to the muscles. • Causes muscles to contract and remove the paw ...
... • Impulse passes(by means of a synapse) to a connecting neuron called the relay neuron • Relay makes a synapse with one or more motor neurons that transmit the impulse to the muscles. • Causes muscles to contract and remove the paw ...
NeuroReview1
... Somatic – interacts with external environment. Composed of afferent nerves from skin, muscles, eyes, ears, etc., to the CNS and efferent nerves from the CNS that carry signals to the skeletal muscles. Autonomic – regulates internal environment. Afferent nerves carry signals from internal organs to t ...
... Somatic – interacts with external environment. Composed of afferent nerves from skin, muscles, eyes, ears, etc., to the CNS and efferent nerves from the CNS that carry signals to the skeletal muscles. Autonomic – regulates internal environment. Afferent nerves carry signals from internal organs to t ...
ELECTROENCEPHALOGRAM_(EEG).
... • The letter refers to the area of brain underlying the electrode e.g. F - Frontal lobe and T - Temporal lobe. • Even numbers denote the right side of the head and • Odd numbers the left side of the head. ...
... • The letter refers to the area of brain underlying the electrode e.g. F - Frontal lobe and T - Temporal lobe. • Even numbers denote the right side of the head and • Odd numbers the left side of the head. ...
Exploring the Human Nervous System
... Saltatory conduction is faster than conduction on unmyelinated neurons. ...
... Saltatory conduction is faster than conduction on unmyelinated neurons. ...
Factual - Cengage
... projected onto the retina. The retina converts the light rays into nerve impulses, which then travel via the optic nerve to the optic chiasm. At the optic chiasm, the axons from the inside half of each eye cross over and project along two divergent pathways to the opposite cerebral hemisphere. ...
... projected onto the retina. The retina converts the light rays into nerve impulses, which then travel via the optic nerve to the optic chiasm. At the optic chiasm, the axons from the inside half of each eye cross over and project along two divergent pathways to the opposite cerebral hemisphere. ...
BRAIN
... Frontal Lobe The Frontal Lobe-extends from the central sulcus (groove) to the anterior limit of the brain Contains Primary Motor Cortex – responsible for fine movements Contributes to shifting attention, planning of action, delayed response tasks as examples ...
... Frontal Lobe The Frontal Lobe-extends from the central sulcus (groove) to the anterior limit of the brain Contains Primary Motor Cortex – responsible for fine movements Contributes to shifting attention, planning of action, delayed response tasks as examples ...
The Nervous System
... Nerve impulses are electrical and/or chemical signals sent through our bodies. Nerve impulses travels within the neuron as an electrical signal-an impulse travels within a neuron from the dendrites through to the axon terminals Nerve impulses travel between neurons as chemical signals-Neurons are no ...
... Nerve impulses are electrical and/or chemical signals sent through our bodies. Nerve impulses travels within the neuron as an electrical signal-an impulse travels within a neuron from the dendrites through to the axon terminals Nerve impulses travel between neurons as chemical signals-Neurons are no ...
Slide 1
... All or nothing Law – an impulse is only generated if the stimulus is at or above the threshold. ...
... All or nothing Law – an impulse is only generated if the stimulus is at or above the threshold. ...
09. Assessment of Neurologic System
... Problem-Based History (cont) Loss of Consciousness, blackout or faint –occurs suddenly, history of diabetes, liver failure or kidney failure Changes in movement – length of time had mobility change, continuous or intermittent, tremors or shaking of hands or face, affect of tremors or shaking on per ...
... Problem-Based History (cont) Loss of Consciousness, blackout or faint –occurs suddenly, history of diabetes, liver failure or kidney failure Changes in movement – length of time had mobility change, continuous or intermittent, tremors or shaking of hands or face, affect of tremors or shaking on per ...
Nervous System Communication
... • Nerve impulse is started by a stimulus • Stimuli cause movements of ions through membrane • Threshold potential – Sufficient stimulation to depolarize membrane ...
... • Nerve impulse is started by a stimulus • Stimuli cause movements of ions through membrane • Threshold potential – Sufficient stimulation to depolarize membrane ...
Nervous System Communication
... • Axon (conducts or passes on impulse) – Long cell extension – May have myelin covering ...
... • Axon (conducts or passes on impulse) – Long cell extension – May have myelin covering ...
The Central Nervous System
... transmitted from the retinas of both eyes through the optic nerve The primary visual cortex contains a variety of neurons specialised to respond to specific features of visual information – colour, shape, motion Damage to the occipital lobe may result in visual impairment even if the eyes and th ...
... transmitted from the retinas of both eyes through the optic nerve The primary visual cortex contains a variety of neurons specialised to respond to specific features of visual information – colour, shape, motion Damage to the occipital lobe may result in visual impairment even if the eyes and th ...
7-Physiology of brain stem2016-09-25 05:204.2 MB
... the dorsal surface of the midbrain and is involved in auditory & visual processing required for head movements. o Pain sensitivity control: Periaqueductal grey matter of mesencephalon is an area which is rich in endogenous opioid and is important in modulation of painful stimuli. ...
... the dorsal surface of the midbrain and is involved in auditory & visual processing required for head movements. o Pain sensitivity control: Periaqueductal grey matter of mesencephalon is an area which is rich in endogenous opioid and is important in modulation of painful stimuli. ...
CH3
... The medulla is the most caudal portion of brain and is rostral to the spinal cord The medulla contains part of the reticular formation The nuclei of the medulla control vital functions such as regulation of the cardiovascular system, breathing, and skeletal muscle tone ...
... The medulla is the most caudal portion of brain and is rostral to the spinal cord The medulla contains part of the reticular formation The nuclei of the medulla control vital functions such as regulation of the cardiovascular system, breathing, and skeletal muscle tone ...
Nervous System Chap49
... 41. Skin: It gives us information about Touch, Pressure, Heat, Cold and Pain. Most receptors in skin are present inside dermis just below epidermis. 42. Nose: It has special sensory cells which collect information about smells of vapors. 43. Tongue: It has groups of sensory cells called taste-buds. ...
... 41. Skin: It gives us information about Touch, Pressure, Heat, Cold and Pain. Most receptors in skin are present inside dermis just below epidermis. 42. Nose: It has special sensory cells which collect information about smells of vapors. 43. Tongue: It has groups of sensory cells called taste-buds. ...