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43 terms

Chapter 10 part 2 (Brain)

Brain
STUDY
PLAY
cerebrum
largest part of the brain
limbic system
called the emotional brain
thalamus
We first become aware of pain at this level of the diencephalon; however, this structure does not allow us to determine the type of pain or locate the source of the pain.
medulla oblongata
part of the brain stem that connects the brain to the spinal cord
parietal lobe
the central sulcus separates the frontal lobe from this lobe
brain stem
composed of the midbrain, pons, and medulla oblongata
hypothalamus
part of the dienciphalon that controls the pituitary gland; also helps control the autonomic nervous system, water balance, and body temperature
cerebrum
part of the brain that is divided into the right and left hemispheres
diencephalon
composed of the thalamus and the hypothalamus
pons
this structure means bridge; it helps regulate breathing rate and rhythm
corpus callosum
bands of white matter that join the right and left cerebral hemispheres
frontal lobe
the precentral gyrus of this cerebral lobe is the major motor cortex; nerve impulses that originate in the motor area control voluntary muscle activity
parietal lobe
the postcentral gyrus of this cerebral lobe is the primary somatosensory area
frontal lobe
plays key role in personality development, emotional and behavioral expression, and performance of high level thinking and learning tasks
temporal lobe
Cerebral lobe that contains the auditory cortex (hearing) and the olfactory area (smell)
medulla oblongata
Part of the brain stem called the vital center because it regulates vital processes such as blood pressure, heart rate, and respirations
medulla oblongata
part of the brain stem that contains the vomiting center
frontal lobe
cerebral lobe that contains the frontal eye fields
frontal lobe
cerebral lobe that controls motor speech
frontal lobe
crossing of most motor fibers occurs here
frontal lobe
a motor homunculus lives here
parietal lobe
a sensory homunculus lives here
occipital lobe
cerebral lobe that is primarily concerned with vision
thalamus
part of the diencephalon that acts as a relay and sorting station for most sensory fibers
reticular formation
this widespread group of cells is concerned with the sleep-wake cycle and consciousness; signals passing from this structure to the cerebral cortex keep us awake
frontal lobe
cerebral lobe that contains Broca's area
occipital lobe
Damage to this cerebral lobe causes cortical blindness
medulla oblongata
part of the brain stem that contains the emetic center
cerebellum
brain structure that protrudes from under the occipital lobe; concerned primarily with the coordination of skeletal muscle activity
temporal lobe
damage to this cerebral lobe causes cortical deafness
medulla oblongata
part of the brain stem that receives information form the chemoreceptor trigger zone (CTZ)
cerebrum
composed of the frontal, parietal, occipital, and temporal lobes
frontal lobe
cerebral lobe that functions as the CEO (chief executive officer)
precentral gyrus
convolution located on the frontal lobe immediately anterior to the central sulcus
gyrus
a bump or elevation on the surface of the cerebrum
sulcus
a shallow groove found on the surface of the brain
fissure
a deep groove found on the surface of the brain
gyrus
also called a convolution
postcentral gyrus
convolution that is located on the parietal lobe immediately posterior to the central sulcus
central sulcus
sulcus that separates the frontal lobe from the parietal lobes
lateral sulcus
groove that separates the temporal lobe from the frontal and parietal lobes
longitudinal fissure
deep groove that separates the left and right hemispheres
central sulcus
sulcus that separates the primary motor cortex from the primary somatosensory cortex