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40 Cards in this Set
- Front
- Back
Function of Medulla Oblongata:
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reflexive, involuntary control of heart, breathing, and blood vessels
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Function of Pons:
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timing of subconscious breathing
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What does the Cerebellum include?
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1. arbor vitae
2. vermis 3. left and right cerebellar hemispheres |
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Function of Cerebellum:
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subconscious control and coordination of voluntary muscle
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What does the Midbrain include?
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1. Corpora quadrigemina
2. Superior 3. Colliculi 4. Inferior Colliculi |
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Function of Midbrain:
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1. Filter and relay visual (super colliculi) and auditory (inferior colliculi)
2. Reflexive control of eye 3. Movement, focusing lens and pupil diameter |
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What does the Hypothalamus include?
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Mamillary bodies
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Function of Hypothalamus:
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Control of ANS and pituitary gland and, thereby, regulates involuntary body functions, homeostasis
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What does the Thalamus include?
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Interthalamic adhesion = intermediate mass
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Function of Thalamus:
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Crude perception of sensations and emotions and relaying afferent/efferent impulses to/from the cerebrum
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Function of Pineal Gland:
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Endocrine Gland
Secretes ONE hormone |
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Function of Pituitary Gland:
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Endocrine Gland
Secretes MANY hormones (includes infundibulum) |
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Function of Infundibulum:
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Transport of hormones and conduction of impulses from hypothalamus to pituitary gland
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What does the Cerebrum include?
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1. Cerebral Cortex
2. Cerebral tracts/white matter 3. Fornix 4. Longitudinal Fissure 5. Left and Right Cerebral Hemispheres 6. Frontal Lobe 7. Parietal Lobe 8. Temporal Lobe 9. Occipital Lobe 10. Corpus Callosum and Anterior Commissure 11. Gyri and Sulci |
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Function of Cerebrum:
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Will (choice)
Intelligence, memory, awareness, and personality |
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Function of Longitudinal Fissure:
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Divides cerebrum into cerebral hemispheres
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Function of Left Cerebral Hemisphere:
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Dominates in speech sounds and in understanding sequential, rational, and analytical concepts
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Function of Right Cerebral Hemisphere:
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Dominates in non-speech sounds (melodies, laughing, etc.), in spatial perception and in holistic, artistic and emotional concepts
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Function of Frontal Lobe:
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Voluntary control over muscles, learning, planning, higher psychological functions
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Function of Parietal Lobe:
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Perception of sensations of touch, temperature, taste, and body position (kinesthetic sensation)
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Function of Temporal Lobe:
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Perception of auditory sensations and related speech centers
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Function of Occipital Lobe:
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Perception of visual sensations
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Function of Corpus Callosum and Anterior Commissure:
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Communication between the two cerebral hemispheres
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Function of Gyri and Sulci:
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Increase surface area of cerebrum for exchange of nutrients/wastes to/from blood vessels in the pia mater
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List the 12 Pairs of Cranial Nerves:
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I. Olfactory Nerve
II. Optic III. Occulomotor IV. Trochlear V. Trigeminal VI. Abducens VII. Facial VIII. Vestibulocochlear IX. Glossopharyngeal X. Vagus XI. Spinal Accessory XII. Hypoglossal |
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I. Olfactory
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Sensory
Area of Body: Nasal Mucosa Function: Carries impulses associated with smell |
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II. Optic
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Sensory
Area of Body: Eye Function: Carries impulses associated with vision |
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III. Occulomotor
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Motor
Area of Body: Most Extrinsic Eye Muscles Function: Inferior oblique, Superior/Inferior and medial rectus muscles of eye moving eye in socket also movement of eyelid, and shape of lens |
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IV: Trochlear
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Motor
Area of Body: One Extrinsic Eye Muscle Function: Innervates superior oblique eye muscle moving eye in eye socket |
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V. Trigeminal
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Both (Mixed)
Area of Body: Face and Mouth Function: Major sensory nerve of face/muscles of mastication |
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VI. Abducens
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Motor
Area of Body: One extrinsic eye muscle Function: Innervates lateral rectus eye muscle moving eye in eye socket |
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VII. Facial
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Both (Mixed)
Area of Body: Face and anterior tongue Function: Facial expression muscles/tear glands, salivary glands; taste at anterior portion of tongue |
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VIII. Vestibulocochlear
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Sensory
Area of Body: Inner ear (vestibule, cochlea and semicircular canals) Function: Sensations of balance/equilibrium, motion and hearing |
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IX. Glossopharyngeal
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Both (Mixed)
Area of Body: Larynx, pharynx, largest salivary gland and posterior tongue Function: Muscles of larynx, pharynx, general throat sensations and Swallowing/Taste (posterior tongue), Pressure receptors from carotid artery control of blood pressure |
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X. Vagus
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Both (Mixed)
Area of Body: Many viscera of the thoracic and abdominopelvic cavities Function: Sensory and motor fibers to pharynx/layrnx, Sensory impulses from viscera, Parasympathetic fibers control heart rate and abdominal visceral organs |
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XI. Spinal Accessory
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Motor
Area of Body: Neck Muscles and many thoracic and abdominopelvic viscera Function: Voice production, neck movement, motor control of innervated viscera/movement of neck |
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XII. Hypoglossal
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Motor
Area of Body: Tongue Function: Movement of tongue |
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3 Sensory Cranial Nerves:
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I. Olfactory
II. Optic VIII. Vestibulocochlear |
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5 Motor Cranial Nerves:
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III. Occulomotor
IV. Trochlear VI. Abducens XI. Spinal Accessory XII. Hypoglossal |
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4 Mixed Cranial Nerves
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V. Trigeminal
VII. Facial IX. Glossopharyngeal X. Vagus |