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Cerebrum, Cerebellum, Brainstem

The three major parts of the brain


Largest part of the brain associated with higher mental functions


Second largest part of the brain that coordinates voluntary muscular activity


Gives rise to the thalamus, hypothalamus, and the epithalamus


Part of the spinal cord that consists of the medulla oblongata, pons, and the midbrain. Also coordinates and regulates visceral activities.

Falx Cerebri

Seperates the two cerebral hemispheres

Falx Cerebelli

Seperates the two cerebellar hemispheres


Seperates the cerebrum from the cerebellum

Internal carotid

Arteries that carry blood to the brain

Internal jugular

Veins that return the blood from the brain

Blood-brain barrier

Protects brain from harmful substances

Brain stem

Helps maintain homeostasis and allows brain and spinal cord to communicate

Medulla oblongata, midbrain, reticular foramen, pons

The four parts of the brain stem

Medulla oblongata

Transmits all ascending and descending impulses

Cardiac Center

Controlls heart rate in the medulla oblongata

Vasomotor center

Controlls blood pressure in the medulla oblongata

Respitory center

Regulates the rhythm of breathing in the medulla oblongata


Short section of the brainstem between the diencephalon and the pons

Thalamus, hypothalamus, epithalamus

Parts of the diencephalon

Heart rate, arterial blood pressure, body temperature, water and electrolyte balance, hunger, body weight, movements and secretions of the GI tract, sleep and wakefulness, growth and reproduction

7 things the hypothalamus regulates


Small region superior to the thalamus


Connects the two hemispheres of the cerebellum

Arbor vitae

Cerebellar white matter

Corpus collosum

Deep bridge of nerve fibers that connect the two cerebral hemispheres

Frontal,Parietal, Temporal, Occipital

The 4 lobes of the cerebral hemispheres


Shallow groove


Deep groove

Association fibers

transmit intrahemispheric impulses

Commissural fibers

Transmit interhemispheric impulses

Projection fibers

Transmit ascending and descending impulses

Frontal eye field

controls voluntary movements of the eyes and eyelids

reasoning, judjement, emotions, verbalizing ideas and storing memories

Funtions of the association areas

Basal ganglia

Masses of gray matter located deep within the cerebral hemishperes

Receiving and analyzing sensory imput

Function of the cerebral hemispheres

emotion,art,mental imagery (3D), music

Functions of the right cerebral hemisphere

Analytical problem solving, verbal

Functions of the left hemisphere


Number of cranial nerves


Is the Olfactory nerve motor, mixed or a sensory nerve?


Is the Optic nerve mixed, sensory, or a motor nerve?

Sense of smell

Function of the Olfactory nerve

Nerve of vision

Function of the Optic nerve


Is the Oculomotor nerve sensory, motor, or a mixed nerve?

Supply extrinsic eye muscles to control movement in the eyeball and upper eyelid

Function of the Oculomotor nerve.


Is the Trochlear nerve motor, mixed, or a sensory nerve?

Controlls movement of the eyeball

Function of the trochlear nerve


Is the Trigeminal nerve a sensory, mixed, or motor nerve?


Is the Abductens nerve a motor, sensory, or mixed nerve?

Abduction of the eyeball

Function of the Abductens nerve


Is the Facial nerve a motor, mixed, or sensory nerve?


Is the Vestibulocohlear nerve a sensory, motor, or mixed nerve?


Branch that carried impulses for equilibruim


Branch that carries impulses for hearing


Is the Glossopharyngeal nerve a mixed, motor, or sensory nerve?

Carry signals from the taste buds of the posterior one-third of the tongue

Function of the glossopharyngeal nerve


Is the Vagus nerve a motor, sensory, or mixed nerve?

Swallowing and Vocalization

Functions of the Vagus nerve


Is the Accessory nerve a mixed, motor, or sensory nerve?

Supplies nerves to the sternocloidmastoid and trapezius muscles to coordinate head movements

Function of the Accessory nerve


Is the Hypoglossal nerve a motor, sensory, or mixed nerve?

Conducts impulses for speech and swallowing

Function of the Hypoglossal nerve

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