Chapter 6
Help!
|
|
||||
|---|---|---|---|---|---|
| Afferent nerves | Sensory transmitters that send impulses from receptors in the skin, muscles, and joints to the central nervous system.
🗑
|
||||
| Autonomic nervous system | Branch of the nervous system that controls involuntary body functions
🗑
|
||||
| Cell body | Part of an axon that contains a nucleus
🗑
|
||||
| Central nervous system | The brain and spinal cord
🗑
|
||||
| Dendrites | Branches of a neuron that collects stimuli and transport them to the cell body
🗑
|
||||
| Efferent nerves | Motor transmitters that carry impulses form the central nervous system out to the muscles and glands
🗑
|
||||
| Myelin sheath | The fatty bands of insulation surrounding axon fivers
🗑
|
||||
| Neurilemma | The thin membranous sheath enveloping a nerve fiber
🗑
|
||||
| Neuroglia | Non-neural tissue that forms the interstitial or supporting elements of the CNS; also known as glial cells
🗑
|
||||
| Nodes of Ranvier | The uninsulated gaps in the myelin sheath of a nerve fiber where the axon is exposed
🗑
|
||||
| Peripheral nervous system | All parts of the nervous system external to the brain and spinal cord
🗑
|
||||
| Somatic nervous system | Branch of the nervous system that stimulates the skeletal muscles
🗑
|
||||
| Synapse | The intersecton between a neuron and another neuron, a muscle, a gland, or a sensory receptor
🗑
|
||||
| Autonomic reflexes | Involuntary stimuli transmitted to cardiac and smooth muscle
🗑
|
||||
| Conductivity | the ability of a neuron to transmit a nerve impulse
🗑
|
||||
| Depolarixed | a condition in which the inside of a cell membranes is more positively charged than the outside
🗑
|
||||
| Nerve Impulse | electrical charge that travels along a nerve fiber when stimulated
🗑
|
||||
| Polarixed | a condition that occurs when the inside of a cell membrane is more negatively charges that the outside
🗑
|
||||
| Reflexes | simple rapid involuntary programmed responses to stimuli
🗑
|
||||
| Refractory period | the time between the completion of the action potential and repolarization
🗑
|
||||
| Repolarixation | the reestablishment of a polarixation
🗑
|
||||
| Saltatory conduction | the rapid skipping of an action potential from node to node on myelinated neurons
🗑
|
||||
| Somatic reflexes | involuntary stimuli transmitted to skeletal muscles from neural arcs in the spinal cord.
🗑
|
||||
| Cerebellum | Secton of the brain that coordinates body movements including balance
🗑
|
||||
| Cerebrum | The larges part of the brain consisting of the right and left hemisperes
🗑
|
||||
| Diencenphalon | Area of the brain that includes the spithalamus, thalamus, metathalamus and hypothalamus also known as the inter brain
🗑
|
||||
| Epithalamus | the uppermost portion of the diencephalon which includes hte pineal gland and regulates sleep-cycle hormones
🗑
|
||||
| Fissures | the uniformly positioned deep grooves in the brain
🗑
|
||||
| Frontal lobes | sections of the brain located behind the forehead
🗑
|
||||
| Hypothalamus | a portion of the diencephalon which regulates functions such as metabolism, heart rate, and blood pressure
🗑
|
||||
| Lobes | the name for the four regions of the brain- frontal, parietal, occipital and temporal
🗑
|
||||
| Medulla oblongata | the lower portion of the brain stem which regulates heart rate, blood pressure, and breathing and controls several reflexes
🗑
|
||||
| Meninges | three protective membranes that surround the brain and spinal cord
🗑
|
||||
| Midbrain | relay station for sensory and motor impulses; located on the superior end of the brain stem
🗑
|
||||
| occipital lobes | sections of the brain located behind the parietal lobes; integrate sensory information form the skin, internal organs, muscles and joints
🗑
|
||||
| Parietal lobes | sections of the brain located behind the frontal lobes; integrate sensory information from the skin. internal organs muscles, and joints
🗑
|
||||
| Pons | the section of the brain located below the midbrain that plays a role in regulating breathing
🗑
|
||||
| Primary motor cortex | outer region of the brain in the frontal lobes that sends neural impulses to the skeletal muscles.
🗑
|
||||
| Primary somatic sensory cortex | outer region of the brain in the parietal lobes that interprets sensory impulses received from the skin internal organs, muscles, and joints
🗑
|
||||
| Spinal cord | a column of nerve tissue that extends form the brain stem to the beginning of the lumbar region of the spine
🗑
|
||||
| Temporal lobes | the most inferior portions of the brain; responsible for speech, hearing, vision, memory, and emotion
🗑
|
||||
| Thalamus | the largest portion of the diencephalon, which communicates sensory and motor information between the body and the cerebral cortex
🗑
|
||||
| Cranial nerves | 12 pairs of nerves that originate in the brain and relay impulses to and from the PNS
🗑
|
||||
| Craniosacral division | The parasympathetic nervous system, in which nerves originate in the brain stem or sacral region of the spinal cord
🗑
|
||||
| Dorsal ramus | The division of posterior spinal nerves that transmit motor impulses to the posterior trunk muscles and relay sensory impulses from the skin of the back
🗑
|
||||
| Endoneurium | A delicate, connective tissue that surrounds each nerve fiber
🗑
|
||||
| Epineurium | The tough outer covering of a nerve
🗑
|
||||
| Ganglion | A mass of nervous tissue composed mostly of nerve-cell bodies.
🗑
|
||||
| Norepinephrine | A neurotransmitter released by postganglionic neurons in the sympatheric nervous system
🗑
|
||||
| Paravertebral gangilia | Mass of nerve cell bodies close to the spinal cord
🗑
|
||||
| Pernieurium | A protective sheath that surrounds a bundle of nerve fibers
🗑
|
||||
| Plexuses | Complex interconnections of nerves
🗑
|
||||
| Postganglionic neuron | The second neuron in a series that transmits impulses from teh CNS
🗑
|
||||
| Preganglionic neuron | The first neuron in a series that transmits impulses from the CNS
🗑
|
||||
| Spinal nerves | Neural transmitters that branch from the left and right sides of the spinal cord
🗑
|
||||
| Thoracolumbar division | The sympatheric system of nerves that lies near the thoracic and lumbar regions of the spine
🗑
|
||||
| Ventral ramus | The anterior divisions of spinal nerves that communicate with the muscle and skin of the anterior and lateral trunk
🗑
|
||||
| Alzheimer's disease | Condition involving a progressive loss of brain function with major consequences for memory, thinking, and behavior
🗑
|
||||
| Cerebral palsy | A group of nervous system disorders resulting from brain damage before or during birth, or in early infance
🗑
|
||||
| Dementia | An organic brain disease involving loss of function in two or more areas of cognition
🗑
|
||||
| Epilepsy | A group of brain disorders characterized by repeated seizures over time
🗑
|
||||
| Meningitis | AN infection-induced inflammation of the meniges surrounding the brain and spinal cord
🗑
|
||||
| Multiple sclerosis | A chronic, slowly progressive sidease of the central nervous system that destroys the myelin sheath of nerve cell axons
🗑
|
||||
| Paraplegia | Disorder characterized by loss of function below the neck
🗑
|
||||
| Parkinson's disease | A chronic nervous system disease characterized by a slowly spreading tremor. muscular weakness, and rigidity
🗑
|
||||
| Quadriplegia | Disorder characterized by loss of function in the lower trunk and legs
🗑
|
||||
| Traumatic brain injury | Mild or severe trauma that can result form a violent impact to the head.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
cheyannem
Popular Anatomy sets