Cranial Nerves

lucy.hammond1
Mind Map by , created over 5 years ago

Mind Map on Cranial Nerves, created by lucy.hammond1 on 04/19/2014.

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lucy.hammond1
Created by lucy.hammond1 over 5 years ago
Cranial Nerves
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Cranial Nerves
1 I
1.1 Olfactory
1.2 Special sense
1.3 Cribriform plate
1.4 Tract in brain
1.4.1 Olfactory bulb
2 II
2.1 Optic
2.2 Special sense
2.3 Optic canal
2.4 Tract in brain
2.4.1 Retina
3 III
3.1 Oculomotor
3.1.1 Carries parasympathetic
3.1.1.1 cilary ganglion
3.1.1.1.1 Iris constrictor
3.1.2 Special motor
3.1.2.1 Superior branch
3.1.2.1.1 Superior rectus
3.1.2.1.2 Levator palpebrae superioris
3.1.2.2 Inferior branch
3.1.2.2.1 Medial rectus
3.1.2.2.2 Inferior rectus
3.1.2.2.3 Inferior oblique
3.1.3 Orbital fissure
3.1.4 Leaves at midbrain
4 IV
4.1 Trochlear
4.1.1 Special motor
4.1.1.1 Superior oblique
4.1.1.1.1 Depression and elevation
4.1.1.1.2 Extortion and intortion
4.1.2 Orbital fissure
4.1.3 Rostral pons
4.1.3.1 Only to leave from dorsal surface
5 V
5.1 Trigeminal
5.1.1 Mixed
5.1.2 i Opthalmic
5.1.2.1 Orbital fissure
5.1.3 ii Maxillary
5.1.3.1 Foramen Rotundum
5.1.4 iii Mandibular
5.1.4.1 Only one to contain motor
5.1.4.2 Foramen ovale
5.1.5 Enters at lateral ventral pons
5.1.6 First Pharyngeal arch
6 VI
6.1 Abducens
6.1.1 Special motor
6.1.1.1 Lateral Rectus
6.1.1.1.1 Abduction
6.1.2 Enters at brainstem
6.1.3 Orbital fissure
7 VII
7.1 Facial
7.1.1 Carries parasympathetic secretormotor
7.1.1.1 Salivary glands
7.1.1.2 Lacrimal gland
7.1.2 Second pharyngeal arch
7.1.3 Mixed
7.1.3.1 Special sense
7.1.3.1.1 Anterior part of tongue
7.1.3.2 Motor
7.1.3.2.1 Facial muscles
7.1.4 Enters between pons and medulla
7.1.5 Internal acoustic meatus
8 VIII
8.1 Vestibulocochlear
8.1.1 Special sense
8.1.2 Vestibular
8.1.2.1 Balance
8.1.3 Cochlear
8.1.3.1 Hearing
8.1.4 Enters lateral to facial neve
8.1.5 Internal acoustic meatus
9 IX
9.1 Glossopharyngeal
9.1.1 Carries parasympathetic
9.1.2 Third pharyngeal arch
9.1.3 Mixed
9.1.3.1 Motor
9.1.3.1.1 Pharynx
9.1.3.1.1.1 Stylopharyngeus
9.1.3.2 Sensory
9.1.3.2.1 Special and general
9.1.3.2.1.1 Posterior third of tongue and pharynx
9.1.4 Enters rostral to to CN8
9.1.5 Jugular foramen
10 X
10.1 Vagus
10.1.1 Carries parasympathetic
10.1.1.1 Thorax
10.1.1.2 Upper abdomen
10.1.2 4th and 6th pharyngeal arches
10.1.3 Mixed
10.1.4 Enters caudal to CN9
10.1.5 Jugular foramen
11 XI
11.1 Accessory
11.1.1 Cranial accessory
11.1.1.1 Vagus
11.1.1.1.1 Supplies head structures in vagus area
11.1.1.2 Enters at lateral medulla
11.1.2 Spinal accessory
11.1.2.1 Supplies craniocervical muscles
11.1.2.1.1 Sternocleidomastoid
11.1.2.1.2 Trapezius
11.1.2.2 Enters at C1-C5
11.1.3 Jugular foramen
12 XII
12.1 Hypoglosal
12.1.1 Motor
12.1.1.1 Tongue
12.1.1.1.1 All intrinsic
12.1.1.1.2 Most extrinsic
12.1.2 Emerges from ventrolateral medulla
12.1.3 Hypoglossal foramen

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