The "little" brain that coordinates voluntary muscle movements
Cerebellum
An individual subdivision of the cerebrum that regulates specific functions
Lobe
The portion of the brain that contains the thalamus and hypothalamus
Diencephalon
Connects the spinal cord with the brain
Brain stem
The largest part of the brain
Cerebrum
The weblike middle meningeal layer
Arachnoid
Venous channel between the two outermost meninges
Dural sinus
The innermost layer of the meninges, the delicate membrane in which there are many blood vessels
Pia mater
The area in which cerebrospinal fluid collects before its return to the blood
Subarachnoid space
The vascular network in a ventricle that forms cerebrospinal fluid
Choroid plexus
The projections in the dural sinuses through which CSF is returned to the blood
Arachnoid villi
The outermost layer of the meninges, which is the thickest and toughest
Dura mater
A shallow groove that separates the temporal lobe from the frontal and parietal lobes
Lateral sulcus
Masses of gray matter deep within the cerebrum that help regulate body movement and the muscles of facial expression
Basal ganglia
A band of white matter that carries impulses between the cerebrum and the brain stem
Internal capsule
An elevated portion of the cerebral cortex
Gyrus
The thin layer of gray mater on the surface of the cerebrum
Cortex
A band of myelinated fibers that bridges the two cerebral hemispheres
Corpus Callosum
The neurotransmitter used by the basal nuclei nuerons
Dopamine
The portion of the cerebral cortex where visual impulses from retina are interpreted
Occipital lobe
The portion of the cerebral cortex where auditory impulses are interpreted
Temporal lobe
Location of a sensory area for interpretation of pain, touch, and temperature
Parietal lobe
The lobe controlling voluntary muscles
Frontal lobe
The portion of the brainstem composed of myelinated nerve fibers that connect to the cerebellum
Pons
The superior portion of the brainstem
Midbrain
The part of the brain betwiin the pons and the spinal cord
Medulla oblongata
The region of the diencephalon that acts as a relay center for sensory stimuli
Thalamus
The region consisting of portions of the cerebrum and diencephalon that is involved in emotional states and behavior
Limbic system
Nuclei that regulate the contraction of smooth muscle in blood vessel walls
Vasomotor center
The portion of the brain controlling the autonomic nervous system
Hypothalamus
Technique that produces a picture of brain activity levels in different parts of the brain
PET
Technique that measures electric currents in the brain
EEG
X-ray technique that provides photos of bone, cavities, and lesions
CAT
Technique used to visualize soft tissue, such as scar tissue, hemorrhages, and tumors that does not use x-rays
MRI
A motor nerve controlling the trapezius, sternocleidomastoid, and larynx muscles
Accessory nerve
The nerve that controls contraction of a single eye muscle
Trochlear
The nerve that carries visual impulses from the eye to the brain
Optic nerve
The most important sensory nerve of the face and head
Trigeminal nerve
The nerve that supplies most of the organs in the thoracic and abdominal cavities
Vegas nerve
The nerve that supplies the muscles of facial expression
Facial nerve
The nerve that carries sensory impulses for hearing and equilibrium
Vestibulocochlear nerve
A brain tumor derived from neuroglia
Glioma
A chronic brain disorder that usually can be diagnosed by EEG
Epilepsy
Damage to brain tissue caused by a blood clot, ruptured vessel, or embolism
CVA - stroke
Loss of the power of expression by speech or writing
Aphasia
A degenerative brain disorder associated with the development of amyloid
Alzheimer disease
A condition that may result from obstruction of the normal flow of CSF
Hydrocephalus
Bleeding between the dura mater and the skull
Epidural hematoma
The general term for inflammation of the brain
Encephalitis
The shallow groove lying between the frontal and parietal lobe is the:
C. Central sulcus
The dura mater is:
B. the outermost layer of the meninges
Impulses for the sense of taste travel to the:
D. parietal lobe
The cerebrospinal fluid is formed in the:
B. choroid plexus
The abducens nerve supplies the:
C. eye
Multi-infarct dementia is the result of:
D. ischemia
The reticular formation is:
C. a. a region of the limbic system that controls wakefulness and sleep
- Compact band of myelinated fibers
- Made up of vertical fibers
- Carries impulses between the cerebral hemisphere and the brain stem
Internal capsule
- Involved in emotional states and behavior
- Borders between the cerebrum and the diencephalon
- Links the conscious functions of the cerebral cortex and the autonomic functions of the brain stem
Limbic system
- A connecting link between the cerebellum and thes rest of the nervouse system
- Regulating respiration is a reflex action that is integrated in this
Pons
Olfactory nerve
I - smell
Optic nerve
II - eye to brain
Oculomotor nerve
III - contraction of eye muscles
Trochlear nerve
IV - one eyeball muscle
Trigeminal nerve
V - sensory nerve of face and hand
Abducens nerve
VI - one eyeball muscle
Facial nerve
VII - muscles of facial expression
Vestibulocochlear nerve
VIII - Hearing and equilibrium
Glossopharyngeal nerve
IX - tongue, salivary gland, throat, and swallowing
Vagus nerve
X - thoracic and abdominal organs, larynx, pharynx
Accessory nerve
XI - muscles of the neck and the larynx
Hypoglossal nerve
XII - muscles of the tongue
What are the main divisions of the brain?
Cerebrum
Diencepahlon
Brain stem
Cerebellum
The meninges are protective membranes around the brain and spinal cord. What are the names of the three layers from the outer most to the innermost.
Dura mater
Arachnoid
Pia mater
What are the four surface lobes of each cerebral hemisphere
Frontal
Parietal
Temporal
Occitital
Higher functions of the brain occur in a thin layer of gray matter on the surface of thecerebral hemispheres. What is the name of this outer layer of gray matter
Cerebral cortex
What are the 3 subdivisions of the brain stem
Midbrain
Pons
Medulla oblongata
What are the functions of the cerebellum
- Aids in coordination of voluntary muscles
- Maintenance of balance, and maintenance of muscle tone
What type of cells are commonly involved in brain tumors