The brain 2
Terms
undefined, object
copy deck
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-The ________________ of the cerbral cortex has __ axons.
-_______ Fibers connect lobes within one hemishere.
-________ Connect the hemispheres via the corpus_________.
-__________ connect the cerebral cortex to other brain organs. -
-Central white matter,3
-association fibers
-commissural fibers, callosum
-projection fibers - -below thalamus, the ________of the third ventricle is the___________.
- floor, hypothalamus
-
Functions of hypothalamus
-involuntary_______motor activity(RAGE)
-________function(BP, pulse,digestion)
-nervous and endocrine system_________
-________ secretion
-emotions and _____ (eat and drink)
-regulation of _________ -
-somatic
-autonomic
-coordination
-hormone
-behavior
-body temp -
-_________ nerves are__________ connecting directly to the underside of the brain rather than the _________.
-How many pairs of cranial nerves? -
cranial, spinal cord
12 pairs -
How many ventricles and what are they filled with?
1-2,one in each hemisphere and seperated by the septum pellucidum=
2-encase diencephalon
3-between the pons and the cerebellum -
4 ventricles filled with CSF
1-lateral ventricles
2-third ventricle
3-fourth ventricle -
hormones secreted by hypothalamus
-reduces kidney water loss
-smooth muscle contractions of uterus and prostate gland(reproduction -
-antidiurectic H
-Oxytocin H -
Functions of the limbic system
- establishment of ________ and ______.
-linking ________of cerebral cortex with _________ processes of other organs.
-____________ -
-emotions,behavior
-thougt, unconscious
-memory -
name the cranial nerves using-
Oh once one takes the anatomy final very good vacations are heavenly. - olfactory-optic-oculomotor-trochlear-trigeminal-abducens-facial-vestibulocochlear-glossopharyngeal-vagus-accessory-hypoglossal
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-The __________ of the cerebrum contains masses of ________ matter deep within the cerebrum.
-Processes ______,________, and________ info. -
-cerebral nuclei, gray matter
-visual ,motor, emotional -
protection and support of the brain:
continuous with the spinal meneges
duramater---arachnoid--------piamater - cranial menenges
- The brain requires ________% of cardiac output but circulation is _________ from the _________ tissue.
- 20%, isolated, CNS tissue
-
four cortexes of cerebral cortex
-frontal lobe, voluntary control of skeletal muscle
-parietal lobe, conscious perception of touch,pain,temp, and taste
-occipital lobe(sight)
-temporal lobe(hearing, smelling) -
-primary motor cortex
-primary sensory cortex
-visual cortex
-auditory and olfactory cortex -
Blood-brain barrier
-cells for barrier that select passage of appropriate materials - ependymal cells
- -The cerebral cortex functions in____________ thought and __________ functions
-
-conscious
intellectual -
-ependymal cells
-maintains constant internal environment
-requires 20% of cardiac ouput
-protection and support of brain - Blood-brain barrier
-
What are the functions of CSF?
Where is it produced?
Which is located in the____Ventricle
How much is produced in a day?
How often is it replaced? -
-cushioning fluid, support, transport
-produced in choroid plexus
-3rd ventricle
-500 ml per day
-every 8 hours -
-The _______ is located lowest in the __________. Connections between the _____ and ________.
-Functions as aRelay station from ______ to__________ regions.
Activation center for neck and back ________, adjusts ________rate and blood pressure, -
-Medulla oblongata, brain stem, spinal cord and brain.
-spinal, brain regions
muscles, heart, basal -
-The _______ system of the cerebrum contains portions of cerebral________.
-It includes the ________ which is below the________ ventricle, and assists in memory ________ and _______.
-Also includes the ________ which is the connection between t -
-Limbic system,nuclei
-hippocampus,lateral, storage,retrieval
-fornix, hypothalamus -
-The __________ is located ________ to the Pons and ________ to the occipital lobe.
-Consists of __ cerebral hemispheres and__ lobes-2 of each_______ and _____.
-Its functions are ________, it ______ complex body movements and also functions in -
-Cerebellum, posterior, inferior
-2,2,anterior, posterior
-unconscious,coordinates, posture -
-surface features of cerebrum
-elevated ridges are________.
-shallow grooves are________.
-deep grooves are_________.
-outer layer composed of gray matter___ -
-gyri
-sulci
-fissures
-cerebral cortex -
-sulci that seperates the parietal lobe from the frontal lobe
-sulci that seperates frontal from temporal lobe lobes
-sulci that seperates parietal lobes from occipital lobe -
-central
-lateral
-parieto-occipital - fissure that seperates hemispheres(right from left)
- longitudinal
-
-what is the relay center for integrating sensory and motor pathways?
-It connects the ________ to the brain stem.
-What three structures does it contain? -
-Diencephalon
-cerebrum
-epithalamus, thalamus, hypothalamus -
-The ______ is located ________ midbrain and ________ the medulla.
-Its functions are to __________ facial muscles, ________ control of respiration, and relay for the______. -
-Pons, below, above
-activate, involuntary, cerebellum -
-What is the root of the third ventricle?
-contains the-_______ which secretes melatonin, regulates day and night cycles -
-Epithalamus
-pineal gland -
The most complex organ?
How much of total neural tissue?
Reflex arcs are ?
What are the 6 regions? -
1-the brain
2-90%
3-slower
4- cerebrum, diencephalon, midbrain, Pons, medulla oblongata, cerebellum -
-egg shaped organ, _________ of third ventricle
-_________ ascending sensory info and permits only relevant infor into primary sensory________. -
-walls
-filters - cortex -
-The __________ is the midbrain, which is located _______ the diencephalon and _________ the Pons.
-Its function is to generate ________ responses to ________ and ________ stimuli. -
-mesencephalon, below, above
-reflexive, visual , auditory