Term
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Definition
Prosencephalon (forebrain)
Mesencephalon (midbrain)
Rhombencephalon (hindbrain) |
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Term
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Definition
Telencephalon
diencephalon
mesencephalon
metencephalon
myencephalon |
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Term
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Definition
1)prosencephalon
2)telencephalon |
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Term
| the epithalamus, thalamus, and hypothalamus arise from |
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Definition
1)prosencephalon
2)diencephalon |
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Term
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Definition
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Term
| the pons and cerebellum arise from |
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Definition
1)rhombencephalon
2)metencephalon |
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Term
| the medulla oblongata arises from |
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Definition
1)Rhombencephalon
2)myelencephalon |
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Term
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Definition
Connective tissue layers surrounding brain and spinal cord
The dura, arachnoid and pia maters
Functions:
Separate brain from skull
Enclose and protect blood vessels supplying brain
Contain and circulate cerebrospinal fluid |
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Term
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Definition
| produces Cerebral Spinal Fluid in ependymal cells |
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Term
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Definition
Clear, colorless fluid
Circulates through the ventricles
Functions:
Buoyancy
Reduces brain weight by 95%
Protection
Provides liquid cushion
Environmental stability
Transports nutrients, chemical messengers and removes waste |
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Term
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Definition
Caused by:
Obstruction of CSF flow
Intrinsic problems with the arachnoid villi which drain CSF |
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Term
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Definition
| Location of conscious thought processes |
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Term
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Definition
cortex (superficial)
houses motor neuron cell bodies |
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Term
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Definition
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Term
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Definition
| Decision making, personality, verbal communication, voluntary motor control of skeletal muscles |
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Term
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Definition
| Sensory interpretation of textures and shapes, understanding speech |
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Term
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Definition
| Auditory and olfactory experience |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Contains primary motor cortex
Somatic motor control |
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Term
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Definition
Contains somatosensory cortex
Somatic sensory control |
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Term
| 3 types of cerebral white matter |
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Definition
-association tracts
-commissural tracts
-projection tracts |
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Term
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Definition
| Connect different parts of same hemisphere |
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Term
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Definition
| Connect hemispheres (Corpus callosum) |
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Term
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Definition
| Run vertically; convey sensory and motor information |
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Term
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Definition
Forms posterior roof of diencephalon and covers the third ventricle
Habenular nuclei
Relays signals from the limbic system
Involved in the visceral and emotional responses to odors |
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Term
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Definition
| Secretes melatonin to regulate circadian rhythms |
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Term
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Definition
Lies on either side of the third ventricle
Principle relay point for sensory and motor information into cerebrum
Interthalamic adhesion (intermediate mass) |
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Term
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Definition
Functions:
B ehavior
E ndocrine
E motion
T emperature control
S leep/Wake cycles
H unger/Thirst
A utonomic control
M emory |
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Term
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Definition
Smoothes and coordinates body movements via:
Information on equilibrium and posture
Information on current movements
Proprioception
Sensation of the positions of body parts relative to each other
Allows you to touch your nose with your eyes closed |
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Term
| brain stem (primitive brain) |
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Definition
Bidirectional passageway between cerebrum and spinal cord
Contains many autonomic and reflex centers essential for survival
Includes the mesencephalon, pons, and medulla oblongata |
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Term
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Definition
Vasomotor center
Controls blood pressure through vasoconstriction and vasodilation
Cardiac center
Respiratory center
Reflexes
Coughing, sneezing, gagging, vomiting etc.
Point of attachment for cranial nerves |
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Term
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Definition
Emotional brain”
Involved in motivation, emotion and memory |
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Term
| Spinal cord grey matter is ________ |
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Definition
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Term
| spinal cord white matter is ___________ |
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Definition
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Term
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Definition
Progressive degenerative disease of the brain
Results in dementia
Between 5% and 15% of people over age 65 develop this disease
Symptoms:
Memory loss, depression, disorientation
Thought to be caused by:
Neurofibrillary tangles
Amyloid Precursor Proteins (APP) or senile plaques |
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Term
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Definition
| pathological protein aggregates found within neurons in cases of Alzheimer's disease. |
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Term
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Definition
Affects muscle movement and balance
Symptoms:
Stiff posture
Expressionless face
Slow movements
Resting tremor
Shuffling gait
Caused by the lack of the neurotransmitter dopamine |
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