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... arterioles; pale retina, especially in the macular area; and the cherry-red spot centrally. The cream-colored edematous nerve fiber layer is most evident where the nerve fiber layer is thickest, in the macula between the vascular arcades. Because of the anatomic peculiarities of the foveola, there a ...
... arterioles; pale retina, especially in the macular area; and the cherry-red spot centrally. The cream-colored edematous nerve fiber layer is most evident where the nerve fiber layer is thickest, in the macula between the vascular arcades. Because of the anatomic peculiarities of the foveola, there a ...
Micro Muscle: Muscle signal response and myosin activity
... so. Many different aspects of physiology interact to allow this to take place. Recall from the nervous system is made up of networks of nervous tissue. This nervous tissue is made of cells called neurons that can interact with other types of tissue. Neurons that control muscle tissue are called moto ...
... so. Many different aspects of physiology interact to allow this to take place. Recall from the nervous system is made up of networks of nervous tissue. This nervous tissue is made of cells called neurons that can interact with other types of tissue. Neurons that control muscle tissue are called moto ...
REVIEW THE NERVOUS SYSTEM
... 40. The Human Nervous System is divided into TWO Major Divisions, list them: ____________________________________&__________________________________ 41. _________________________ neurons carry impulses from receptors to the spinal cord. 42. The depolarization and repolarization of a neuron’s membran ...
... 40. The Human Nervous System is divided into TWO Major Divisions, list them: ____________________________________&__________________________________ 41. _________________________ neurons carry impulses from receptors to the spinal cord. 42. The depolarization and repolarization of a neuron’s membran ...
Scientific Basis of Pain
... • ACTH/B-lipotropin is released from the anterior pituitary in response to pain – broken down into Bendorphins and corticosteroids • Mechanism of action – similar to enkephalins to block ascending nerve impulses ...
... • ACTH/B-lipotropin is released from the anterior pituitary in response to pain – broken down into Bendorphins and corticosteroids • Mechanism of action – similar to enkephalins to block ascending nerve impulses ...
II./2.6. Examination of the sensory system
... f.) Compression of the posterior root leads to radicular pain and paresthesia, which may be associated with hypotonia, loss of reflexes, and ataxia. In case of complete interruption of the posterior root, all sensory modalities are lost and the tendon reflex running through the given segment is abse ...
... f.) Compression of the posterior root leads to radicular pain and paresthesia, which may be associated with hypotonia, loss of reflexes, and ataxia. In case of complete interruption of the posterior root, all sensory modalities are lost and the tendon reflex running through the given segment is abse ...
Managing Pain With Therapeutic Modalities
... assess functional impairment associated with pain • Measures the frequency of certain behaviors such as housework, recreation and social activities that produce pain ...
... assess functional impairment associated with pain • Measures the frequency of certain behaviors such as housework, recreation and social activities that produce pain ...
Parasympathetic division
... three collateral ganglia, and two suprarenal medullae. Preganglionic fibers are short because the ganglia are close to the spinal cord. The sympathetic division shows extensive divergence. All preganglionic neurons release ACh at their synapses with ganglionic neurons. The effector response ...
... three collateral ganglia, and two suprarenal medullae. Preganglionic fibers are short because the ganglia are close to the spinal cord. The sympathetic division shows extensive divergence. All preganglionic neurons release ACh at their synapses with ganglionic neurons. The effector response ...
د. غسان The Autonomic Nervous System (ANS): The ANS coordinates
... – Cell body lies outside the CNS in an autonomic ganglion – Axon is unmyelinated type C fiber that terminates in a visceral effector. ...
... – Cell body lies outside the CNS in an autonomic ganglion – Axon is unmyelinated type C fiber that terminates in a visceral effector. ...
Commentary on slides Lecture 16
... example, your head moves. If you are trying to keep a particular object in view (“foveate” the object) while you move, the extraocular system can control eye position using sensory information delivered by the vestibular system. The vestibular system is located in the inner ear and consists of two c ...
... example, your head moves. If you are trying to keep a particular object in view (“foveate” the object) while you move, the extraocular system can control eye position using sensory information delivered by the vestibular system. The vestibular system is located in the inner ear and consists of two c ...
CONTROL OF MOVEMENT
... synapses with the motor neuron for that extensor muscle – Only found in the stretch reflex ...
... synapses with the motor neuron for that extensor muscle – Only found in the stretch reflex ...
neurology_lab3
... those information may be divided into two main groups: (1) exteroceptive information:, which originates from outside the body, such as pain, temperature, and touch. (2) proprioceptive information: which originates from inside the body, for example, from muscles, tendons and joints. Information from ...
... those information may be divided into two main groups: (1) exteroceptive information:, which originates from outside the body, such as pain, temperature, and touch. (2) proprioceptive information: which originates from inside the body, for example, from muscles, tendons and joints. Information from ...
8.2 Structure of skeletal muscle
... - Muscles are made up of bundles of muscle fibers which are called fascicles - These fascicles are separated by connective tissue ...
... - Muscles are made up of bundles of muscle fibers which are called fascicles - These fascicles are separated by connective tissue ...
PTA 106 Unit 1 Lecture 1B Structural and Functional areas of the
... linked to both fear responses and pleasure. Is responsible for determining what memories are stored and where the memories are stored in the brain. It is thought that this determination is based on how huge an emotional response an event invokes. Believed to act as an interface between limibic syste ...
... linked to both fear responses and pleasure. Is responsible for determining what memories are stored and where the memories are stored in the brain. It is thought that this determination is based on how huge an emotional response an event invokes. Believed to act as an interface between limibic syste ...
Nervous System
... 29 The ________ is the region of the brain that includes the thalamus, hypothalamus, epithalamus, prethalamus or subthalamus and pretectum. It is derived from the prosencephalon. 30 The term ________ nerve generally refers to one of 31 paired mixed nerves formed from dorsal and ventral roots and exi ...
... 29 The ________ is the region of the brain that includes the thalamus, hypothalamus, epithalamus, prethalamus or subthalamus and pretectum. It is derived from the prosencephalon. 30 The term ________ nerve generally refers to one of 31 paired mixed nerves formed from dorsal and ventral roots and exi ...
UNIT 4: Sensation and Perception I. Overview A. Sensation
... Feature detection – brain’s detector cells respond to specific features (edges, lines, angles) d. Parallel processing – brain cell teams process combined information about color, movement, form, and depth e. Recognition – brain interprets the constructed image based on information from stored images ...
... Feature detection – brain’s detector cells respond to specific features (edges, lines, angles) d. Parallel processing – brain cell teams process combined information about color, movement, form, and depth e. Recognition – brain interprets the constructed image based on information from stored images ...
CENTRAL NERVOUS SYSTEM Sensory Pathway (PNS
... brain and spinal cord enclosed in bony coverings ...
... brain and spinal cord enclosed in bony coverings ...
The Brain in a Nutshell 2010
... and granule cells. The neocortex is characterized by 5-6 layers, archi- and paleocortex by 1-3 layers. Local variations of these proportions have been used to create a cytoarchitectonic map characterizing different cortical regions, named and numbered after Brodmann. The functional division of the n ...
... and granule cells. The neocortex is characterized by 5-6 layers, archi- and paleocortex by 1-3 layers. Local variations of these proportions have been used to create a cytoarchitectonic map characterizing different cortical regions, named and numbered after Brodmann. The functional division of the n ...
Descending Tracts - Bell`s Palsy
... the medulla oblongata, the bundles group together to form the pyramids. At the junction of the MO and the spinal cord, most fibers cross the midline at the decussation of the pyramids and enter the lateral white column of the spinal cord to form the lateral corticospinal tract (LCST). LCST descends ...
... the medulla oblongata, the bundles group together to form the pyramids. At the junction of the MO and the spinal cord, most fibers cross the midline at the decussation of the pyramids and enter the lateral white column of the spinal cord to form the lateral corticospinal tract (LCST). LCST descends ...
functional nervous system power point
... • A filtering mechanism of the capillaries that carry blood to the brain and spinal cord tissue, blocking the passage of certain substances. • The brain is the only organ known to have its own security system, a network of blood vessels that allows the entry of essential nutrients while blocking oth ...
... • A filtering mechanism of the capillaries that carry blood to the brain and spinal cord tissue, blocking the passage of certain substances. • The brain is the only organ known to have its own security system, a network of blood vessels that allows the entry of essential nutrients while blocking oth ...
The Brain
... hearing, smells, and memory); the parietal lobe (responsible for touch and spoken language ability), and the occipital lobe (responsible for centers of vision and reading ability). choroid plexus - vascular structures within the ventricular system that produce cerebrospinal fluid. corpus callosum- a ...
... hearing, smells, and memory); the parietal lobe (responsible for touch and spoken language ability), and the occipital lobe (responsible for centers of vision and reading ability). choroid plexus - vascular structures within the ventricular system that produce cerebrospinal fluid. corpus callosum- a ...
1 • In the animals of highly developed organization consisting of
... where axon hillock is conspicuous ( arrow ). The cell body is tightly enclosed by mantle cells. As the axon divides into two branches, shortly after the departure, and the one runs to the periphery arriving at the sensory terminal organs, the other comes into the spinal cord as the dorsal root fiber ...
... where axon hillock is conspicuous ( arrow ). The cell body is tightly enclosed by mantle cells. As the axon divides into two branches, shortly after the departure, and the one runs to the periphery arriving at the sensory terminal organs, the other comes into the spinal cord as the dorsal root fiber ...
Purkinje cells
... difficulty in maintaining posture. Decomposition of movement: loss of the cerebellum’s ability to coordinate the activity and timing of many muscle groups to produce smooth, fluid movements. ...
... difficulty in maintaining posture. Decomposition of movement: loss of the cerebellum’s ability to coordinate the activity and timing of many muscle groups to produce smooth, fluid movements. ...
axon reaction, which may be displayed in
... higher animals are unknown. Current hypotheses are concerned with axonal growthpromoting and growth-inhibiting substances, perhaps derived from the blood or from the neuroglia, which are absent from or unable to act in the adult mammalian central nervous system. Earlier hypotheses, such as the lack ...
... higher animals are unknown. Current hypotheses are concerned with axonal growthpromoting and growth-inhibiting substances, perhaps derived from the blood or from the neuroglia, which are absent from or unable to act in the adult mammalian central nervous system. Earlier hypotheses, such as the lack ...
Microneurography
Microneurography is a neurophysiological method employed by scientists to visualize and record the normal traffic of nerve impulses that are conducted in peripheral nerves of waking human subjects. The method has been successfully employed to reveal functional properties of a number of neural systems, e.g. sensory systems related to touch, pain, and muscle sense as well as sympathetic activity controlling the constriction state of blood vessels. To study nerve impulses of an identified neural system, a fine tungsten needle electrode is inserted into the nerve and connected to a high gain recording amplifier. The exact position of the electrode tip within the nerve is then adjusted in minute steps until the electrode discriminates impulses of the neural system of interest. A unique feature and a significant strength of the microneurography method is that subjects are fully awake and able to cooperate in tests requiring mental attention, while impulses in a representative nerve fibre or set of nerve fibres are recorded, e.g. when cutaneous sense organs are stimulated or subjects perform voluntary precision movements.