Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
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
anat 10/24 CH 14 Brn
Brain!
| Question | Answer |
|---|---|
| four main components of the brain | cerebrum, diencephalon, brain stem, and cerebellum |
| cerebrum | divided into right and left halves called cerebral hemispheres |
| corpus collusum | connects the right and left halves of the cerebrum, deep within the cerebrum. |
| white matter | in the cerebrum, myelinated axons that cross from one hemisphere to the other |
| lobes of the cerebrum | frontal lobe, parietal lobe, temporal lobe, occipital lobe |
| gyri | large folds in the cerebrum |
| sulci | grooves between the gyri |
| central sulcus | really deep groove that separates the frontal lobe from the parietal lobe |
| lateral sulcus | seperates the frontal lobe from the temporal lobe |
| parital occipital | seperates the occipital from the parietal lobe |
| longitudinal fissure | seperates the right and left hemisphere of the cerebrum |
| white matter in the cerebrum | on the corpus collosum and the anterior commisure -- myelinated axons connect the right and left hemispheres |
| internal capsual | axons that link the lower structures of the CNS , runs tracts superior to anterior |
| gray matter | mostly cell bodies, located in the cerebral cortex and the basal nuclei |
| cerebral cortex | most superficial layer of the cerebrum, |
| three functional areas of the cerebral cortex | motor, sensory, and association |
| sensory functional areas of cerebral cortex | info from sensory receptors-- primary somatosensory cortex, primary visual cortex, gustatory cortex, olfactory cortex, and auditory cortex |
| primary somoatosensory cortex | receives information concerning general sensations such as touch, pain, pressure, itch and temperature-- info from left side of body goes to right somatosensory cortex and vise versa |
| primary visual cortex | receives impulses conveying visual infromation such as shape, light, color, movement |
| gustatory cortex | receives information concerning taste |
| olfactory cortex | receives information concerning smell |
| auditory cortex | receives information concerning sound |
| motor functional movements | controls voluntary muscle movements, primary motor cortex, broca's area |
| primary motor cortex | controls voluntary movements of skeletal muscle, left side controls right side of body and vice versa |
| broca's area | located in LEFT frontal lobe, controls production of speech |
| association areas | integrates sensory information and makes a meaningful recognition, somatosentory association cortex, premotor cortex, visual association cortex, wernickes area, |
| somatosensory association cortex | interprets sensations such as shape and texture |
| premotor cortex | controls skill motor activities and can peice together a pattern of multiple motor signals that need to be done for an entire activity (walking) |
| visual association cortex | allows you to recognize and put meaning to what you are looking at |
| wernicke's area | interprets the meaning behind speech |
| basal ganglia | three nuclei located deep within each cerebral hemisphere-- provides general rhythm and pattern to coordinated movements, controls muscle tone |
| parkinson's | overactive basal ganglia |
| huntingtons | decreased function of basal ganglia |
| limbic system | area around the diencephalon, deep within the cerebrum. involves the motor part of emotions and facilitates long term memory in hippocampus |
| diencephalon | inferior to the cerebrum- thought of as the core of the brain |
| three areas of the diencephalon | thalamus, hypothalamus, and epithalamus |
| thalamus | relays sensory info to the basal ganglia, and cerbral cortex, relays visual info to the occipital lobe, **smell does not go through thalamus first |
| hypothalamus | looks like balls below the thalamus, controls the autonomic nervous system, produces hormones and regulates behavior, regulates thirst and hunger and temperature |
| epithalamus | back of the birds head. -- contains the pineal gland |
| pineal gland | secretes the hormone melatonin which makes you sleep |
| brain stem | inferior to the diencephalon and superior to the spinal cord |
| three parts of the brain stem | midbrain, pons and medulla |
| midbrain | involves auditory and visual reflexes, such as alertness-- part of the brain that caffeine affects |
| pons | relays motor information from the cerebrum to the cerebellum-- controls respiration |
| medulla | nuclei regulations such as heartrate, breathing, vomiting, sneezing, coughing and huccupping |
| cerebellum | controls posture and balance, fine tunes movements, alcohol affects this part of the brain |
| ataxia | loss of muscle coordination |
| Meninges | the thin layers that cover the brain |
| three meninges | dura mater, arachnoid mater, and pia mater |
| dura mater | thickest strongest meninge, main function is to drain blood |
| dural sinuses (aka venous sinus) | space that drains blood from the brain |
| arachnoid mater | very thin and looks like spider webbing over the brain |
| pia mater | the innermost later, cannot be peeled off |
| meninge spaces | epidural space, subdural space, subarachnoid space, |
| epidural space | POTENTIAL space above the dura mater |
| hemorrhage | bleeding in the epidural space |
| hematoma | when the bleeding the epidural space stops |
| subdural space | POTENTIAL space between the dura mater and the arachnoid mater |
| subarachnoid space | REAL SPACE between the arachnoid mater and the pia mater-- contains cerebralspinal fluid |
| cerebralspinal fluid | clear colorless liquid that contains oxygen, glucose, proteins,lactic acid, and small ions- aways found in the subarachnoid space |
| function of CSF | physical protection, chemical protection, and delivers and circulates nutrients |
| choroid plexus | where the CSF is produced, lines the ventricles |
| ependymal cells | produces the CFS and lines the capillaries,blood capillaries, distribute the blood |
| ventricles | spaces within the brain |
| four ventricles in the brain | two lateral venticles, third ventricle and fourth ventricle |
| lateral ventricles | on each side of the hemisphere |
| third ventricle | space right under the thalamus |
| fourth ventricle | between the brain stem and the cerebellum |
| aural sinus | where the CFS is dumped to be reabsorbed |
Created by:
kristeni558
Popular Physical Science sets