Lab Practical 3 Flashcards
Filaments of the olfactory nerve (I)
Sensory, carries afferent impulses for senses of smell
Optic Nerve (II)
Sensory, carries afferent impulses associated with vision
Oculomotor Nerve (III)
Motor, motor fibers to direct eyeball
Trochlear Nerve (IV)
Motor, provides somatic motor fibers to superior oblique muscle that moves eyeball
Trigeminal Nerve (V)
Mixed, sensory nerve of face, motor nerve that innervate muscles of mastication
Abducens Nerve (VI)
Motor, somatic motor fibers to lateral rectus muscle to abduct eyeball
Facial Nerve (VII)`
Mixed, sensory fibers from taste receptors of tongue, motor fibers for facial expression
Vestibulocochlear Nerve (VIII)
Sensory, vestibular branch- > associated with sense of equilibrium, cochlear branch transmits impulses associated with hearing
Glossopharyngeal Nerve (IX)
Mixed, sensory fibers from pharynx, tonsils, taste buds; motor fibers pharyngeal muscles
Vagus Nerve (X)
Mixed, sensory and motor fibers associated with pharynx and larynx,
Accessory Nerve (XI)
mixed, primarily motor, provides motor fibers to trapezius and sternocleidomastoid
Hypoglossal Nerve (XII)
mixed, primarily motor; provides motor fibers to muscles of the tongue
Frontal Lobe
Temporal Lobe
Infundibulum
Olfactory Bulb
Olfactory Tract
Optic Chiasma
Optic Tract
Cerebellum
Medulla Oblongata
Midbrain
Pons
Mammillary bodies
Precentral gyrus
Postcentral gyrus
Central sulcus
Parietal lobe
Frontal Lobe
Parieto-occipital sulcus
occipital lobe
cerebellum
lateral sulcus
temporal lobe
pons
medulla oblongata
endoneurium
perineurium
epineurium
axon
myelin sheath
fascicle
blood vessels
What muscle moves the eye laterally?
Lateral rectus
What muscle moves the eye medially?
Medial rectus
What muscle elevates the eye and turns it laterally?
Inferior oblique
What muscle depresses the eye and turns it laterally?
Superior oblique
What muscle depresses the eye and turns it medially?
Inferior rectus
What muscle elevates the eye and turns it medially?
Superior rectus
T/F Afferent neurons contain motor processes.
F; contain sensory processes