Cranial Nerves Flashcards
Cranial Nerve I
Olfactory Nerve
Cranial Nerve II
Optic Nerve
Cranial Nerve III
Oculomotor Nerve
Cranial Nerve IV
Trochlear Nerve
Cranial Nerve V (V1-V3)
Trigeminal Nerve
- Ophthalmic Nerve (V1)
- Maxillary Nerve (V2)
- Mandibular Nerve (V3)
Cranial Nerve VI
Abducens Nerve
Cranial Nerve VII
Facial Nerve
Cranial Nerve VIII
Vestibulocochlear Nerve
Cranial Nerve IX
Glossopharyngeal Nerve
Cranial Nerve X
Vagus Nerve
Cranial Nerve XI
Spinal Accessory Nerve
Cranial Nerve XII
Hypoglossal Nerve
Components: Olfactory Nerve
Special Sensory (Olfaction) Afferent
Components: Optic Nerve
Special Sensory (Vision) Afferent
Components: Oculomotor Nerve
Somatic Motor
Visceral Motor
Efferent
Components: Trochlear Nerve
Somatic Motor
Efferent
Components: Trigeminal Nerve - Ophthalmic Nerve
Somatic (General) Sensory
Afferent
Components: Trigeminal Nerve - Maxillary Nerve
Somatic (General) Sensory
Afferent
Components: Trigeminal Nerve - Mandibular Nerve
Somatic (General) Sensory - Afferent?
Somatic (Brachial) Motor - Efferent?
Components: Abducens Nerve
Somatic Motor
Efferent
Components: Facial Nerve
Somatic (Branchial) Motor Special Sensory (Taste) Somatic (General) Sensory Visceral Motor Affront & Efferent
Components: Vestibulocochlear Nerve - Vestibular Branch
Special Sensory (Balance) Afferent
Components: Vestibulocochlear Nerve - Cochlear Branch
Special Sensory (Hearing) Afferent
Components: Glossopharyngeal Nerve
Somatic (Branchial) Motor Visceral Motor Special Sensory (Taste) Somatic (General) Sensory Visceral Sensory Affront & Efferent
Components: Vagus Nerve
Somatic (Branchial) Motor Visceral Motor Visceral Sensory Special Sensory (Taste) Somatic (General) Sensory Affront & Efferent
Components: Spinal Accessory Nerve
Somatic Motor
Efferent
Components: Hypoglossal Nerve
Somatic Motor
Efferent
Main Action: Olfactory Nerve
Smell
Main Action: Optic Nerve
Vision from retina
Main Action: Oculomotor Nerve
Motor to 4/6 of the muscles on the eye
Raises superior eyelid
Turns eyeball superiorly, inferiorly, and medially
Main Action: Trochlear Nerve
Motor to superior oblique to assist in turning eye inferolaterally (or inferiorly when adducted)
Main Action: Trigeminal Nerve - Ophthalmic Nerve
Sensation from cornea, skin of forehead, scalp, eyelids, nose, and mucosa of nasal cavity and paranasal sinuses
Main Action: Trigeminal Nerve - Maxillary Nerve
Sensation from skin of face over maxilla, including upper lip, Maxillary teeth, mucosa of nose, Maxillary sinuses, and palate
Main Action: Trigeminal Nerve - Mandibular Nerve
- Sensation from skin over mandible, including lower lip, side of head, Mandibular teeth, temporomandibular joint, mucosa of mouth, and anterior 2/3 of tongue.
- Motor to muscles of mastication, mylohyoid, anterior belly of digastric, tensor veil palatine, and tensor tymphani
Main Action: Abducens Nerve
Motor to lateral rectum to turn eye laterally
Main Action: Facial Nerve
- Motor to muscles of facial expression and scalp; also supplies stapedius of middle ear, stylohyoid, and posterior belly of digastric
- Taste from anterior 2/3 of tongue and palate
- Sensation from skin of external acoustic meats
- Parasympathetic innervation to submandibular and sublingual salivary glands, lacrimal gland, and glands of nose and palate
Main Action: Vestibulocochlear Nerve - Vestibular Branch
Vestibular sensation from semicircular ducts, utricle, and saccule related to position and movement of head
Main Action: Vestibulocochlear Nerve - Cochlear Branch
Hearing from spiral organ
Main Action: Glossopharyngeal Nerve
- Motor to stylopharyngeus to assist with swallowing
- Parasympathetic innervation to parroted glad
- Taste from posterior 1/3 of tongue
- External ear, pharynx, middle ear
- Carotid body and sinus
Main Action: Vagus Nerve
- Motor to constrictor muscles of pharynx (except stylopharyngeus), intrinsic muscles of larynx, muscles of palate (except tensor veil palatine), and striated muscle in superior 2/3 of esophagus
- Parasympathetic innervation to smooth muscle of trachea, bronchi, digestive tract, and cardiac muscles of heart
- Visceral sensation from base of tongue, pharynx, larynx, trachea, bronchi, heart, esophagus, stomach, and intestine
- Taste from epiglottis and palate
- Sensation from audible, external acoustic meats, and dura mater of posterior cranial fossa
Main Action: Spinal Accessory Nerve
Motor to sternocleidomastoid and trapezius
Main Action: Hypoglossal Nerve
Motor to intrinsic and extrinsic muscles of tongue (except palatoglossus)
Cranial nerves and spinal nerves make up the _________
Peripheral Nervous System
Sensory (Afferent)
Somatic Sensory (General Sensory) Visceral Sensory (General Visceral Afferent) Special Sensory
Motor (Efferent)
Somatic Motor (General Somatic Efferent) Visceral Motor (General Visceral Efferent; Parasympathetic)
Sensory (Afferent) - Somatic Sensory (General Sensory)
Touch, pain, pressure, temperature (skin)
Proprioception (muscles, tendons, joints)
Sensory (Afferent) - Visceral Sensory (General Visceral Affront)
Reflex or pain sensation from viscera, glands, and blood vessels
(i.e. how you feel before you take a big test)
Sensory (Afferent) - Special Sensory
Hearing, balance, vision, olfaction (smell), taste
5 senses
Motor (Efferent) - Somatic Motor (General Somatic Efferent)
Innervation of skeletal muscles (except pharyngeal arch derivatives)
Innervation of skeletal muscles derived from embryonic pharyngeal arches (branchial motor)
Motor (Efferent) - Visceral Motor (General Visceral Efferent; Parasympathetic)
Innervation of smooth muscle, cardiac muscle, and glands
Actual production of fluid from glands - motor aspect
Cranial nerves and spinal nerves have both ________ and _________ components
Sensory (afferent) and motor (efferent)
