introduction to head and neck anatomy sanjaya adikari department of anatomy 1
TRANSCRIPT
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Introduction to Head and
Neck Anatomy
Sanjaya AdikariDepartment of Anatomy
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Boundaries of the head & neck
Spinous process of C7
Acromian
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Bones3
Facial skeleton
Cervical Vertebrae
Skull vault
Skull base
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Spinal cord
Foramen magnum
Brain and the spinal cord
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CNS PNS
Somatic
CNS PNS
Autonomic
Nervous sytem
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3
4
5
6
= forebrain (cerebrum)
1
5
4
3
6
22+
= midbrain
= hindbrain
4
3
5
= brainstemmidbrain
pons
medulla
Main divisions of the brain6
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Cranial nerves7
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Studying cranial nerves
Should know
1. Position of nucleus
2. Course within brain stem
3. Emerging point from brain stem
4. Point of exit from the cranial cavity
5. Extracranial course
6. Distribution
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Spinal Nerves10
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Afferent (sensory)Somatic Visceral
Efferent (motor)Voluntary Involuntary/Autonomic
Eye Ear Nose Tongue Body
Mind
Contract OR Secrete
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Muscles of facial expression
Frontalis
Orbicularis oculi
Orbicularis oris
Zygomaticus minor & major
Levator labii muscles & levator anguli oris
Depressor anguli oris
Buccinator
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Muscles of mastication
Temporalis
Masseter
Lateral pterygoid
Medial pterygoid
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Parotid region14
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Temporal fossa15
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Infratemporal Fossa16
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Suboccipital region
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Pterygopalatine Fossa
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Triangles of the neck19
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Compartments of the neck21
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Lymph nodes in the head & neck22