Brain-1
Brain
Anterior
Posterior
Inferior view
http://www.youtube.com/watch?v=Li5nMsXg1Lk
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Brain-2
Brain: Gross Anatomy
•
Brain
–
Part of CNS contained in cranial cavity
•
Brainstem
: connects spinal cord to brain;
integration of reflexes necessary for
survival
•
Cerebellum
: involved in control of
locomotion, balance, posture
•
Diencephalon
: thalamus, subthalamus,
epithalamus, hypothalamus
•
Cerebrum
: conscious thought, control
Brain-3
Sagittal Section of Brain
Cerebrum
Cerebellum
Thalamus
Hypothalamus
Midbrain
Pons
Medulla
Oblongata
Brainstem
Diencephalon
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Brain-4
Brainstem
Pyramid
(a) Anterior view
(b) Posterolateral view
Midbrain
Midbrain
Pons
Brainstem
Olive
Superior colliculus
Inferior colliculus
Olive
Pons
Brainstem
Superior cerebellar
peduncle
Middle cerebellar
peduncle
Inferior cerebellar
peduncle
Medulla
oblongata
Medulla
oblongata
Pyramidal
decussation
Brain-5
Brainstem
Medulla Oblongata
•
transmits ascending and descending impulses between the
brain and spinal cord
•
pyramids – nerve tracts – conscious control of skeletal
muscle
•
center for vital reflexes – heart rate, BP, respiration,
swallowing, coughing, sneezing
•
olives - nuclei involved in balance, coordination,
modulation of sound
•
nuclei of cranial nerves V, IX, X, XI, XII
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Brain-6
Brainstem
Pons
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- Spring '09
- Parises
- Neuroanatomy, Pons Brainstem Pyramid Olive Pyramidal decussation Medulla oblongata Pons
-
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