Term
| somatic motor nerve fibers |
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Definition
| innervating muscle (voluntary) derived from somites |
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Term
| General visceral motor nerve fibers |
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Definition
| innervating smooth muscle or glands |
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Term
| Special visceral motor nerve fibers |
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Definition
| innervating voluntary muscle derived from branchial arch mesoderm |
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Term
| Somatic sensory nerve fibers |
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Definition
| from body wall and limbs as well as much of the head |
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Term
| General visceral sensory nerve fibers |
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Definition
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Term
| Special visceral sensory nerve fibers |
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Definition
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Term
| Special somatic sensory nerve fibers |
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Definition
| olfaction, vision, hearing, and balance |
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Term
| T/F Some cranial nerve contain only motor or only sensory. |
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Definition
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Definition
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Definition
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Definition
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Definition
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| Olfactory area of epithelium is |
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Definition
| posterior and dorsal and close to the brain |
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Term
| An impact to the head can |
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Definition
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Term
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Definition
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Definition
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| ___muscles to move the eye plus the levator palpebrae sup |
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Definition
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Term
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Definition
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Term
up
medial [image] lateral
down |
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Definition
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Term
| The axis of the orbit is pointed |
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Definition
laterally. The eyes look straight ahead. This arrangement “complicates” our understanding
[image] |
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Term
| eye Muscles Have “Unwanted” Actions. example: |
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Definition
Superior rectus elevates the eye, but also adducts
[image] |
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Term
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Definition
elevates the eye but also extorts
[image] |
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Term
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Definition
depresses the eye but also abducts
[image] |
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Term
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Definition
| (IV) supplies the muscle with a trochlea (pulley), the superior oblique |
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Term
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Definition
| (VI) supplies the muscle that abducts the eye, the lateral rectus |
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Term
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Definition
| (III) supplies the remainder |
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Term
| The olfactory receptor cells are located |
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Definition
| in the dorsal and posterior nasal cavity |
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Term
| T/F The retina is a part of the brain |
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Definition
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Term
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Definition
Parasympathetic Innervation of Iris and Ciliary Body
[image] |
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Term
| sensory pupillary light reflex |
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Definition
| Light in one eye—optic nerve |
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Term
| Motor pupillary light reflex |
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Definition
| Causes constriction of pupil in that eye—oculomotor nerve and constriction of the contralateral pupil (consensual light reflex) also oculomotor nerve |
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Term
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Definition
Light in right eye—both pupils contract
[image] |
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Term
| A pupils fails to contract to light. The problem might be in the |
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Definition
| Optic nerve, oculomotor nerve, and brain |
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Term
| The right pupil contracts to light and there is no consensual reflex on the left. When light shines on the left eye, the left does not contract but there is a consensual response on the right. Where is the likely defect? |
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Definition
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Term
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Definition
General Sensation for the Head
[image] |
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Term
| Trigeminal Nerve: Testing for Sensation in the Three Branches |
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Definition
forehead- supra-orbital nerve
cheek-infra-orbital nerve
jaw-mental nerve |
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Term
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Definition
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Term
| 3 branches of trigeminal nerve |
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Definition
| ophthalmic nerve, maxillary nerve, mandibular nerve |
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Term
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Definition
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Term
| Postganglionic parasympathetics from the facial nerve join |
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Definition
| the maxillary nerve from the pterygopalatine ganglion |
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Term
| Postganglionic parasympathetics from the facial nerve join |
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Definition
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Term
| Parasympathetics and taste from ant. 2/3 of tongue come from |
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Definition
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Term
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Definition
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Term
Preganglionic
parasympathetics to
pterygopalatine gang nerve |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Parasympathetics from the facial supply the |
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Definition
| nasal, lacrimal, and palatine glands as well as the submandibular and sublingual salivary glands |
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Term
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Definition
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Term
| Major Facial Nerve Functions |
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Definition
1. Muscles of facial expression
2. Taste to ant. two-thirds of tongue
3. Parasympathetics to head |
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Term
| Mandibular nerve sensation of |
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Definition
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Term
| ophthalmic nerve sensation of |
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Definition
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Term
| maxiallary nerve sensation of |
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Definition
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Term
| The facial nerve innervates |
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Definition
| the muscles of facial expression |
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Term
| The facial nerve through the trigeminal nerve is responsible for |
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Definition
| Lacrimation, nasal secretion, salivation |
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Term
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Definition
auditory and vestibular divisions
[image] |
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Term
| Glossopharyngeal nerve is sensory to |
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Definition
| oropharynx and posterior one-third of tongue |
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Term
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Definition
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Term
| Glossopharyngeal nerve also innervates |
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Definition
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Term
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Definition
1. Parasympathetic to thoracic and abdominal organs
2. Voluntary motor to pharyngeal and laryngeal muscles*
3. Sensory below the oropharynx
4. Taste in oropharynx and posterior tongue
*Critical muscles in swallowing and vocalization |
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Term
| abnormal gag reflex in which the right half of the palate elevates, but the left half does not. And this likely indicates the person has a problem with |
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Definition
| the palatine muscles on the left, likely a left vagal problem. |
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Term
| Accessory nerve innervates |
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Definition
SCM and trapezius. Accessory nerve motor neurons are in the spinal cord. They pass into the skull and leave with IX and X
[image] |
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Term
| Hypoglossal nerve is motor to |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Sensation to the tongue comes from |
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Definition
| trigeminal nerve, glossopharyngeal nerve, vagus nerve, facial nerve |
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Term
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Definition
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Term
| T/F The vestibular nerve has a major role in directing eye movements. |
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Definition
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Term
| The accessory nerve innervates the |
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Definition
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Term
| T/F The glossopharyngeal nerve is responsible for the motor component of the gag reflex. |
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Definition
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Term
| Which is NOT a function of the vagus nerve? (vs what is) |
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Definition
| salivation (functions are sensory below the oropharynx, voluntary motor to pharyngeal and laryngeal muscles, parasympathetic to thoracic and abdominal organs) |
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Term
| T/F The hypoglossal nerve supplies motor innervation to the tongue. |
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Definition
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