6173811
Description
Flashcards by Jessica Paz, updated more than 1 year ago
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Created by Jessica Paz
about 9 years ago
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| Question | Answer |
| Dendrite | Transmit graded potentials towards the cell body |
| Cell body/ soma | Transmit graded potential to the axon |
| axon | conducts electrical impulses away from neuron's cell body |
| gray matter | speech and emotions funtions |
| White matter | Regulates electrical signals |
| Anterior Horn (ventral) | Innervates skeletal muscles |
| Lateral HOrn | Innervate cardiac muscles. |
| Posterior Horn (Dorsal) | Receives sensory info. like touch. |
| Gray Commissure | communication route between R&L sides of gray matter. |
| White commissure | Connects the white matter to the R&L sides of spinal cord. |
| Anterior Funiculus Lateral Funiculus posterior Funiculus | Transmit nerve impulses vertically along spinal cord. |
| Anterior median fissure | Divides spinal cord into 2 anterior sections |
| Posterior median sulcus | median portion of the spinal nerves enter the spinal cord. |
| Posterior root | sensory neurons ENTER |
| Anterior root | Sensory neurons EXIT |
| Posterior root ganglion | Help transmit sensory msg of pain and touch. |
| central canal | houses the spinal cord and CSF fluid |
| cauda equina | send and receive msg between lower limbs and pelvic organs. |
| Blood vessels | supply nutrients and gasses |
| Endoneurium | separates and insulates axons. |
| Perineurium | supports blood vessels |
| Epineurium | encloses the nerve |
| Fascicle | extend length of nerve |
| myelin sheath | increase speed of electrical impulses by saltatory conduction. |
| Frontal lobe | motor speech and eye movement |
| Precentral Gyrus | voluntary muscle activity |
| Occipital lobe | Visual association |
| Parietal lobe | logical reasoning, math problems |
| Postcentral Gyrus | sensory information. |
| Septum Pellucidum | contains neurons and glial cells. |
| temporal lobe | Auditory and perception of smell |
| Epithalamus | regulation of motor pathways and emotions. |
| Pineal gland | secretes hormone Melatonin |
| Hypothalamus | regulates body temperature |
| medulla oblongada | regulates respiration and cardiac funtions. |
| midbrain | auditory and visual processing |
| inferior colliculus | controls auditory reflexes |
| superior culliculus | visual reflexes |
| Pons | control of respiration |
| cerebellum | balance and equilibrium |
| limbic system | emotional reactions, formation of memories. |
| central sulcus | separates frontal lobe from parietal lobe. |
| lateral sulcus | separates frontal and parietal lobes from temporal lobe. |
| longitudinal fissure | separates the 2 cerebral hemispheres |
| parieto- occipital sulcus | divides parietal from occipital |
| transverse fissure | separates cerebral hemispheres from cerebellar hemispheres. |
| corpus callosum | axons that connect two hemispheres. |
| Optic chiasm | fibers from both optic nerves cross over. |
| CN I | OLFACTORY SMELL. location, epithelium of nasal cavity. |
| CN II | OPTIC VISION. location, retina of the eye. |
| CN III | OCULOMOTOR 4 EYE MUSCLES MOVEMENT. location,midbrain |
| CN IV | TROCHLEAR SUPERIOR OBLIQUE EYE MUSCLE. location, midbrain |
| CN V | TRIGEMINAL MUSCLES OF MASTICATION location,pons |
| CN VI | ABDUCENS LATERAL RECTUS EYE MUSCLE location, pons |
| CN VII | FACIAL FACIAL EXPRESSION, TASTE FROM ANTERIOR 3/2 OF TONGUE. location, pons. |
| CN VIII | VESTIBULOCOCHLEAR HEARING, EQUILIBRIUM. location, cochlea of inner ear. |
| CN IX | GLOSSOPHARYNGEAL TASTE FROM POSTERIOR 1/3 OF TONGUE. location, medulla oblongata |
| CN X | VAGUS SENSORY INFO. FROM HEART,LUNGS AND ABDOMINAL ORGANS. location, brainstem |
| CN XI | ACCESSORY FUNCTION TO THE TRAPEZIUS AND STERNOCLEIDOMASTOID MUSCLES. location ,medulla oblongata |
| CN XII | HYPOGLOSSAL TONGUE MUSCLE MOVEMENT. location ,medulla oblongata |
| cervical plexus | innervates head and neck C1-C4 |
| cervical enlargement | innervate the upper limbs. |
| brachial plexus | cutaneous and muscular innervation of upper limbs. C5- T1 |
| lumbosacral enlargement | innervate lower limbs. |
| conus medullaris | end of spinal cord. L1 |
| lumbar plexus | autonomic, motor and sensory fibers to lower limbs. |
| sacral plexus | motor and sensory nerves for pelvis, genital and lower limbs. |
| filum terminal | helps anchor the conus medullaris to the coccyx. |
| cauda equina | send and receive msg between lower limbs and pelvic organs. |
| Spinal nerve | motor, sensory and autonomic info. |
| anterior rootlets posterior rootlets | motor efferent fibers. sensory afferent fibers. |
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