Ganglia, Nuclei, and CN

Question 1

GSA

Answer 1

• General Somatic Afferent
• General Sensory
• Somatic Sensory
• COnduct impulses from skin, skelletal muscle spindles

Question 2

SSA

Answer 2

• Special Somatic Afferent
• Special Sensory
• Conduct impulses from retina, auditory and vestibular apparatuses

Question 3

GVA

Answer 3

• General Visceral Afferent
• Visceral Sensory
• COnduct impulses from viscera, blood vessels, smooth muscles

Question 4

SVA

Answer 4

• Special Viscera Afferent
• Special Sensory
• Conduct impules from taste buds, olfactory mucosa

Question 5

GVE

Answer 5

• General Visceral Efferent
• Autonomic Motor
• Visceral Motor
• Innervate smooth muscle, cardiac muscle, glands (sympathetic and parasympathetic)

Question 6

GSE

Answer 6

• General Somatic Efferent
• Somatic Efferent
• Somatic Motor
• Innervate skeletal muscle (everyhting innervated by 12)
  *

Question 7

SVE

Answer 7

• Special Visceral Eferent
• Branchial Motor
• Visceral Motor
• Innervate skeletal muscles derived from branchial arches

Question 8

List the 8 Sensory Ganglia and CN associated

Answer 8

• Ganglion cells of Retina (II)
• Trigeminal (semilunar) Ganglion (V)
• Geniculate Ganglion (VII)
• Vestibular and cochlear ganglion (III)
• Glossopharyngeal ganglion (IX)
• Superior and inferior vagal ganglion (X)

Question 9

Sensory (affernt) Nuclei 6 where afferent fibers terminate and CN Associated

Answer 9

• Trigeminal Sensory nucleus ( V, VII, IX, X)
• Cochlear and vestibular nucleus (III)
• SUperior olivary nucleus
• Solitary nucleus (VII, IX, X)

Question 10

12 Motor efferent nuclei

Origin of efferent fibers and CN

Answer 10

• Edinger-westphal (III)
• Occulomotor (III)
• Trochlear nucleus (IV)
• Trigeminal motor nucleus (V)
• Abducens nucleus (VI)
• Facial motor nucleus (VII)
• Superior salivatory nucleus (VII)
• Inferior salivatory nucleus (IX)
• Nucleus ambiguus (IX, X, XII)
• Dorsal vagal motor nucleus (X)
• Hypopglossal nucleus (XII)
• Spinal accessory nucleus (XI, spinal root)

Question 11

Mesencepphalic location and function

Answer 11

• Midbrain
• Proprioceptive (mechanoreceptors) from
  
  • joints, mastication, teeth, periodontum
• Sensory of jaw, force bite
• projects to motor nucleus of V

Question 12

Chief location function

Answer 12

• Pons
• 2 point discrimination
• light touch

Question 13

Spinal trigeminal nucleus location function

Answer 13

• Spinal cord to pons
• Pain and temp