Slide 6 Nerves are bundles of axons Slide 8 Neuroglia also called glial cells

Slide 6 nerves are bundles of axons slide 8 neuroglia

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Slide 6 Nerves are bundles of axons. Slide 8 Neuroglia: also called glial cells, don’t have anything to do with the site of communication. Slide 9 Astrocytes: Supply for oxygen and suppliants. Microglia: In infections they can turn into macrophages. Slide 10 E.C.: -Cilia: Move the cerebrospinal fluid around. -CSF: Help protect the brain. Oligodendrocytes: Wrap around the axons and form segments of myelin sheaths. Can wrap around segments of different or the same axons. Slide 11 S.C.: Create chemical environment. S.C.: do what the glial cells do in the CNS. -A single Schwann cells make a myelin sheath. -Ranvier: Allows for action potential. Slide 16 Neurilemmal: cytoplasm that’s been pushed to the outer surface. White matter: collagen fibers of myelin. Gray matter: Dendrites which are not myelated Slide 18 Takes a chain of three sensory neuron to send the signals to the brain. The higher neurons in the CNS are usually multipolar. Slide 19 3; Outer rim of brown tissue (gray matter) which is the cerebral cortex. -Process information, input. White matter: Made up of axon processes. Gray matter islands: Basal nuclei, involved in coordinating movements. 2; 56
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Mainly white matter. 1; Arrangement has changed completely, surrounded by white matter. Slide 20 Diencephalon: Made of 3 structures. -Thalamus: All sensory information going up to the brain must pass through the thalamus. Slide 21 Ventricles: 4 interconnected fluid filled structures. CSF: fluid filled cavity. Slide 22 … via interventricular foramen. … via cerebral aqueduct. Slide 24 Have two fissures; -Separating the two hemispheres. -separates cerebrum and cerebellum. Slide 25 Postcentral gyrus: Sensory input information. Sulcus and fissures are both grooves. Slide 28 Association: Responsible for interpreting signals. Right control the left. Left control the right. Slide 29 All 4 control some type of voluntary movement. Slide 30 Exhibit somatotopy: you can match a point of the precentral gyrus with… Slide 31 ?? Slide 33 Premotor cortex sends signals to the primary cortex. ?? The speed of typing will be affected. 57
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Slide 34 Control the muscles of the tongue. Slide 35 Things that happen in your subconsciousness. Slide 36 Primary somatosensory cortex: postcentral gyrus. Provides meaning of the information that’s going up. If the … was damaged they would lose context with your environments. Slide 38 PVS: Receives information but will not process it. ?? functionally blind because that is where the information lands first. ?? You can see but you can’t recognize. Slide 40 Hearing and balance are located in the same area. Slide 41 Olfaction is the only cortex that bypasses the thalamus. 58
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