nervous system vocab.
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| 317004888 | Primary Motor Area | Located on frontal lobe and controls the finest motor control (face, mouth and hands) | |
| 317004889 | Brain stem | connects the spinal cord, and provides a pathway for ascending and descending tracts, it also helps control vital actitives. | |
| 317080374 | Basal nuclei | helps regulate voluntary motor activities by modifying instructions sent to the skeletal muscles by the primary motor cortex | |
| 317080375 | Midbrain | smallest region of the brain | |
| 317080376 | Cerebral aqueduct | tiny canal that travels through the midbrain | |
| 317080377 | Cerebral peduncles | convey ascending and descending impulses | |
| 317080378 | Corpus Callosum | Thick band of nerve fibers that divides the Cerebrum into left and right hemispheres | |
| 317080379 | Broca's area | found at the base of the precentral gyrus (the gyrus anterior the the central sulcus) | |
| 317080380 | Frontal Lobe | Top, front regions of the brain. It controls reasoning, emotions, judgement, and voluntary movement. | |
| 317080381 | Occipital Lobe | The region at the back of the brain. It contains the centers of vision and reading ability. | |
| 317080382 | Parietal Lobe | The middle section of the brain. It contains important sensory centers. | |
| 317080383 | Temporal Lobe | The region at the lowerside of the brain. It contains hearing and memory. | |
| 317080384 | White Matter | White substance of the central nervous system; contains myelinated nerve fibers | |
| 317080385 | Grey Matter | The grey area of the central nervous system; contains unmyelinated nerve fibers and nerve cell bodies | |
| 317080386 | Pons | The part of the brainstem between the medulla oblongata and the midbrain. It controls sensory information, motor control, and consciousness. | |
| 317080387 | Hypothalamus | Resonsible for autonomic function control, endocrine function control, motor function control, and food and water intake regulation | |
| 317080388 | Thalamus | Repsonsible for motor control, auditory signals, sensory signals and sleep and awake states | |
| 317080389 | Visual Cortex | Region of the brain concerned with vision!!! | |
| 317080390 | Gyri | Elevated ridges of the brain | |
| 317086469 | Cerebrum | The upper most part of the brain that controls cognitive processes of the brain. | |
| 317086470 | Medulla Oblongata | The lowest section of the brainstem. it is located at the top end of the spinal cord. it controls autonomic functions including heartbeat, breathing, digestion, swallowing and sneezing. | |
| 317086471 | Epithalamus | the connection between the limbic system to the other parts of the brain | |
| 317086472 | Cerebellum | The lower part of the brain, that controls fine movement coordination, balance and equilibrium and muscle tone. | |
| 319855393 | Olfactory Crainial Nerve | Cranial nerve responsible for smell | |
| 319855394 | Optic Crainial Nerve | Cranial nerve responsible for vision | |
| 319855395 | Oculomotor Crainial Nerve | Cranial nerve responsible for eyelid and eyeball movement | |
| 319855396 | Trochlear Crainial Nerve | Cranial nerve that innervates superior oblique & turns eye downward and laterally | |
| 319855397 | Trigeminal Crainial Nerve | Cranial nerve responsible for chewing, face/mouth touch/pain | |
| 319855398 | Abducens Crainial Nerve | Cranial nerve responsible for turning eyes laterally | |
| 319855399 | Facial Crainial Nerve | Cranial nerve responsible for controlling most facial expressions, secretion of tears & saliva, taste | |
| 319855400 | Vestibulocochlear Crainial Nerve | Cranial nerve responsible for hearing & equilibrium sensation | |
| 319855401 | Glossopharyngeal Crainial Nerve | Cranial nerve responsible for taste & senses carotid blood pressure | |
| 319855402 | Vagus Crainial Nerve | Cranial nerve responsible for sensing aortic blood pressure, slowing heart rate, stimulating digestive organs, taste | |
| 319855403 | Spinal Accessory Crainial Nerve | Cranial nerve responsible for controlling trapezius & sternocleidomastoid, controlling swallowing movements | |
| 319855404 | Hypoglossal Crainial Nerve | Cranial nerve responsible for controlling tongue movements | |
| 600029676 | Axon | Long extension of a neuron that carries nerve impulses away from the body of the cell. | |
| 600029677 | Axon Terminals | Hair-like ends of the axon | |
| 600029678 | Soma | Cell body of the neuron; it contains the nucleus | |
| 600029679 | Dendrites | Branching structure of a neuron that receives messages (attached to the cell body) | |
| 600029680 | Myelin Sheath | Fatty substance that surrounds, insulates and protects some axons | |
| 600029681 | Node of Ranvier | The many gaps in the myelin sheath | |
| 600029682 | Nucleus | Organelle in the cell body of the neuron that contains the genetic material of the cell | |
| 600029683 | Schwann's Cells | Cells that produce myelin, they are located within the myelin sheath. | |
| 601159324 | Glial Cells | Cells of the central and peripheral nervous system that support and and protect neurons; also called neuroglia. | |
| 601159325 | Astrocytes | responsible for maintaining the blood brain barrier by the stimulation of the endothelial cells. | |
| 601159326 | Microglia | Phagocytic neuroglia in the CNS | |
| 601159327 | Ependymal Cells | The layer of cells lining the ventricals and central canal of the CNS | |
| 601159328 | Oligodendrocytes | Neuroglia from the CNS that maintain cellular organization with in the gray matter and provide a myelin sheath in areas of the white matter. | |
| 601162710 | Satellite Cells | The principle glial cells found in the peripheral nervous system.They compose the thin cellular sheaths that surround the individual neurons in PNS ganglia. |
