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anatomy nervous syst
| Question | Answer |
|---|---|
| hypothalmus: | homeostasis |
| thalmus: | relays and processes info, pain, and mood |
| pituitary gland: | produces hormones to regulate other genes |
| cerebral cortex: | gray matter (along the outside) |
| gyri: | OUT part |
| sulci: | IN part |
| corpus collosum: | connects hemispheres of left and right side of brain |
| pineal gland: | regulate body sleep/wake cycle |
| cerebellum: | coordinates movement, motor skills, posture |
| midbrain: | reflex patterns w/ vision and hearing |
| pons: | the "p" and links spinal cord, balance, taste, hearing, bladder control |
| medulla oblongata: | controls body vital bodily functions w/o realizing it |
| brocas area: | speech/talking |
| wrenikes area: | speach comprehension |
| olfactory cortex: | smell info |
| auditory assosiation cortex: | interprets cauditory data |
| auditory cortex: | recieves auditory info |
| gustatory cortex: | recieves taste sensation |
| steps of signal transmission: | 1: dendries recieve signal 2: nerve impulse travels down axon 3: axon releases neutransmitter |
| resting potential: | -more Na+ outside -out is + and inside is - -inactive |
| action potential: | -Na+ is inside -out is - and inside becomes + -active and depolorized |
| steps of nerve impulse: | 1: resting potential 2: depoloraiztion 3: repoloraiztion 4: hyperpolorization 5: return to resting potential |
| myelin sheaths: | -rectangle things attacted to neuron -speeds up nerve impulses |
| astrocytes: | -in between capilaries and neueron -protect neurons ("test taster") |
| oligodentrocytes: | -central -form myelin sheathes -insulates |
| microglial cells: | -looks like sun things floating around -dispose debris |
| ependymal cells: | circulate CSF, look like the little hairs |
| shawnn cells: | similar to oligodendrocytes but w/ PNS! |
| somatic reflex: | stimulate the skeletal muscle. ex: pulling hand away from hot object, doctor test |
| autonomic reflex: | regulate smooth muscle, heart, and glands. ex: pupills dialte when light is bright, start to drool when u smell good food |
Created by:
acuda25