D.U.C. Assist. Lec. Faculty of Dentistry General Physiology Ihsan
... Assist. Lec. Ihsan Dhari Lec.7 ...
... Assist. Lec. Ihsan Dhari Lec.7 ...
Sense and Control
... The nervous system has two parts: • the central nervous system • the peripheral nervous system. The central nervous system (CNS) is made up of the brain and spinal cord. They act as a control centre, receiving messages from all parts of the body, examining the data received, and then sending out mes ...
... The nervous system has two parts: • the central nervous system • the peripheral nervous system. The central nervous system (CNS) is made up of the brain and spinal cord. They act as a control centre, receiving messages from all parts of the body, examining the data received, and then sending out mes ...
"Touch". In: Encyclopedia of Life Sciences (ELS)
... distal endings. Some of the primary afferent fibres branch and have separate capsular receptors on each ending; others have a single large capsule that surrounds the entire nerve terminal. The capsular structures link the nerve terminal to the surface of the body, and therefore play a crucial role in ...
... distal endings. Some of the primary afferent fibres branch and have separate capsular receptors on each ending; others have a single large capsule that surrounds the entire nerve terminal. The capsular structures link the nerve terminal to the surface of the body, and therefore play a crucial role in ...
The Brain.
... The main motor area controls the main skeletal muscles of the body and the main sensory area receives input from the various skin receptors all over the body. The areas are duplicated onto the two cerebral hemispheres, which control opposite sides of the body. Therefore, those situated on the ...
... The main motor area controls the main skeletal muscles of the body and the main sensory area receives input from the various skin receptors all over the body. The areas are duplicated onto the two cerebral hemispheres, which control opposite sides of the body. Therefore, those situated on the ...
Sensory Systems and Neural Circuits II
... Different receptor types are sensitive to specific stimuli (nociception) • Different types of somatosensory information activate different receptors • Experience of pain usually starts with the activation of nociceptors • These receptors fire specifically to tissue-damaging stimuli • Most nocice ...
... Different receptor types are sensitive to specific stimuli (nociception) • Different types of somatosensory information activate different receptors • Experience of pain usually starts with the activation of nociceptors • These receptors fire specifically to tissue-damaging stimuli • Most nocice ...
Lecture Cranial Nerves 1
... • axons entering the CNS • cell bodies in sensory ganglia • CN versus spinal nerves ...
... • axons entering the CNS • cell bodies in sensory ganglia • CN versus spinal nerves ...
Brain Sturcture and Function
... The parietal lobe integrates sensory information among various modalities, including spatial sense and navigation (proprioception), the main sensory receptive area for the sense of touch (somatosensation) in the somatosensory cortex which is just posterior to the central sulcus in the post central g ...
... The parietal lobe integrates sensory information among various modalities, including spatial sense and navigation (proprioception), the main sensory receptive area for the sense of touch (somatosensation) in the somatosensory cortex which is just posterior to the central sulcus in the post central g ...
the common facilitatory and inhibitory treatment techniques
... This type of vibration produce facilitation of muscle contraction through what is known as tonic vibration reflex. This facilitatory effect sustained for a brief time after application. Therefore it can be used for stimulating muscles whose primary function is one of tonic holding. The low frequen ...
... This type of vibration produce facilitation of muscle contraction through what is known as tonic vibration reflex. This facilitatory effect sustained for a brief time after application. Therefore it can be used for stimulating muscles whose primary function is one of tonic holding. The low frequen ...
The Neurological Examination
... sensory nerves, spinal cord, brainstem, through to the level of the Thalamus. Cortical Sensory Modalities Reflect Processing by the Somatosensory Cortex (post-central gyrus) ...
... sensory nerves, spinal cord, brainstem, through to the level of the Thalamus. Cortical Sensory Modalities Reflect Processing by the Somatosensory Cortex (post-central gyrus) ...
The Neurological Examination
... sensory nerves, spinal cord, brainstem, through to the level of the Thalamus. Cortical Sensory Modalities Reflect Processing by the Somatosensory Cortex (post-central gyrus) ...
... sensory nerves, spinal cord, brainstem, through to the level of the Thalamus. Cortical Sensory Modalities Reflect Processing by the Somatosensory Cortex (post-central gyrus) ...
Recording Action Potentials from Cockroach Mechanoreceptors
... usually adequate. Electrodes are placed outside a neuron to record the electrical potential (voltage) changes occurring in the extracellular fluid. The technique works because ionic current flowing across membranes during depolarizations simultaneously causes ionic current to flow in the extracellul ...
... usually adequate. Electrodes are placed outside a neuron to record the electrical potential (voltage) changes occurring in the extracellular fluid. The technique works because ionic current flowing across membranes during depolarizations simultaneously causes ionic current to flow in the extracellul ...
different sensory modalities
... • there are many areas in the brain in which multiple sensory afferents converge • there are colliculus neurons that respond vigorously to low intensity auditory stimulus, but if the animal can’t see the visual stimulus the response is suppressed • the colliculus is an apt structure to study interac ...
... • there are many areas in the brain in which multiple sensory afferents converge • there are colliculus neurons that respond vigorously to low intensity auditory stimulus, but if the animal can’t see the visual stimulus the response is suppressed • the colliculus is an apt structure to study interac ...
Chapter 13 The Spinal Cord and Spinal Nerves Lecture Outline
... (send single input to multiple locations in brain) ...
... (send single input to multiple locations in brain) ...
Nervous system Sense cells and organs
... A ventral par of nerve cords -oligocheata fused to one -have giant axons (larges in animal kingdom) Segmented ganglia with commissure and (segmental ...
... A ventral par of nerve cords -oligocheata fused to one -have giant axons (larges in animal kingdom) Segmented ganglia with commissure and (segmental ...
8.2 The Senses
... A. You probably think that you have just five senses: vision, hearing, taste, smell, and touch. In addition, people have two more internal senses: vestibular and kinesthetic. B. Each sense organ receives some sort of external stimulus, such as light, sound waves, or pressure. It then changes the s ...
... A. You probably think that you have just five senses: vision, hearing, taste, smell, and touch. In addition, people have two more internal senses: vestibular and kinesthetic. B. Each sense organ receives some sort of external stimulus, such as light, sound waves, or pressure. It then changes the s ...
Exam 4 Review Exercise 11
... Be able to identify the lobes, sulci, and fissures of the cerebrum. Fig. 13.8A Be able to identify the thalamus, hypothalamus, pituitary gland, pineal gland, corpus collosum, midbrain, pons, medulla oblongata, cerebellum, and arbor vitae. Fig. 13.9 Be able to identify Cranial Nerves I and II, and th ...
... Be able to identify the lobes, sulci, and fissures of the cerebrum. Fig. 13.8A Be able to identify the thalamus, hypothalamus, pituitary gland, pineal gland, corpus collosum, midbrain, pons, medulla oblongata, cerebellum, and arbor vitae. Fig. 13.9 Be able to identify Cranial Nerves I and II, and th ...
Cerebral Cortex
... Cerebral Cortex: Intricate fabric of interconnected neural cells covering the cerebral hemispheres The body’s ultimate control and informationprocessing center ...
... Cerebral Cortex: Intricate fabric of interconnected neural cells covering the cerebral hemispheres The body’s ultimate control and informationprocessing center ...
4-Taste and smell - Science-with
... the tongue detect specific chemicals, Axons from the sensory neurons are shown in yellow, (b) Taste buds of a rabbit tongue, The taste bud appears as a bulblike structure, ...
... the tongue detect specific chemicals, Axons from the sensory neurons are shown in yellow, (b) Taste buds of a rabbit tongue, The taste bud appears as a bulblike structure, ...
![A22254 Touch [version 2.0 ].](http://s1.studyres.com/store/data/015818027_1-1fa81e941fb4f1ccea189d2b012bbb09-300x300.png)
A22254 Touch [version 2.0 ].
... Indentation or lateral stretch of the skin is believed to excite mechanoreceptors by direct gating of cation channels in the sensory nerve ending. Mechanical stimulation deforms the receptor protein, thus opening stretch-sensitive ion channels, and increasing Na+ and Ca2+ conductance. The resulting ...
... Indentation or lateral stretch of the skin is believed to excite mechanoreceptors by direct gating of cation channels in the sensory nerve ending. Mechanical stimulation deforms the receptor protein, thus opening stretch-sensitive ion channels, and increasing Na+ and Ca2+ conductance. The resulting ...
Nervous Tissue
... Basic Tasks of the Nervous System Sensory Input: Receptors monitor both external and internal environments. Integration: Process the information (at synapses) and often integrate it with stored information. Motor output: If necessary, signal effector organs to make an appropriate response. ...
... Basic Tasks of the Nervous System Sensory Input: Receptors monitor both external and internal environments. Integration: Process the information (at synapses) and often integrate it with stored information. Motor output: If necessary, signal effector organs to make an appropriate response. ...
HEAD/NECK: Cranial Nerves
... • Head III: Special Sense targets • Head IV: Cranial nerves in depth ...
... • Head III: Special Sense targets • Head IV: Cranial nerves in depth ...
Slide ()
... Organization of the somatic sensory thalamocortical projections. A. The ventral posterior nucleus has a somatotopic organization: Neurons receiving input from the leg and arm are located in the lateral division of the nucleus (ventral posterior lateral nucleus, VPL; darker shading), whereas neurons ...
... Organization of the somatic sensory thalamocortical projections. A. The ventral posterior nucleus has a somatotopic organization: Neurons receiving input from the leg and arm are located in the lateral division of the nucleus (ventral posterior lateral nucleus, VPL; darker shading), whereas neurons ...
Slide 1
... – Clusters of cell bodies deep in cerebral cortex – Help initiate sustained or repetitive movements – Walking, running, posture, muscle tone ...
... – Clusters of cell bodies deep in cerebral cortex – Help initiate sustained or repetitive movements – Walking, running, posture, muscle tone ...