Exam 1- Cranial Nerves Flashcards
Cranial Nerve 2 and general function
Optic- vision
Cranial Nerve 1 and general function
Olfactory- smell
Cranial Nerve 3 and general function
Occult motor- eye movements; also parasympathetic innervation to smooth muscles of the eye
Cranial Nerve 4 and general function
Thochlear- eye movements
Cranial Nerve 5 and general function
Trigeminal- sensory to skin, oral and nasal cavities and outer ear
Cranial Nerve 6 and general function
Abducens- eye movements
Cranial Nerve 7 and general function
Facial- muscles of facial expression; also taste, parasympathetic, ect.
Cranial Nerve 8 and general function
Vestibulocochlear- hearing and balance
Cranial Nerve 9 and general function
Glossopharyngeal- sensory to pharynx, back of tongue (gag reflex), ect.
Cranial Nerve 10 and general function
Vagus- motor to pharynx (most), larynx (voice box); soft palate; many others
Cranial Nerve 11 and general function
Accessory- motor to sternocleidomastoid amd trapezius
Cranial Nerve 12 and general function
Hypoglossal- motor to muscles of the tongue
Somatic Motor is also called…
General Somatic Efferent
Branchiomotor is also called…
Special Visceral Efferent
Visceral Motor is also called…
General Visceral Efferent
Somatic Sensory is also called…
General Somatic Afferent
Visceral Sensory is also called…
General Visceral Afferent
Chemical Sense is also called…
Special Visceral Afferent
Special Sense is also called…
Special Somatic Afferent
Cranial Nerves with Somatic Motor neurons (4)
III. Oculomotor
IV. Trochlear
VI. Abducens
XII. Hypoglossal
Neurons in Olfactory Nerve
Chemical Sense
Neurons in the Optic Nerve
Special Sense
Neurons in the Oculomotor Nerve
Somatic Motor and Visceral Motor
Neurons in the Trochlear Nerve
Somatic Motor
Neurons in the Trigeminal Nerve
Branchiomotor
Somatic Sensory
Neurons in the Abducens Nerve
Somatic Motor
Neurons in the Facial Nerve
Branchiomotor Visceral Motor Somatic Sensory Visceral Sensory Chemical Sense
Neurons in the Vestibulo-Cochlear Nerve
Special Sense
Neurons in the Glossopharyngeal Nerve
Branchiomotor Visceral Motor Somatic Sensory Visceral Sensory Chemical Sense
Neurons in the Vagus Nerve
Branchiomotor Visceral Motor Somatic Sensory Visceral Sensory Chemical Sensory
Neurons in the Accessory Nerve
Branchiomotor
Neurons in the Hypoglossal Nerve
Somatic Motor
Specific Function of CNI
Smell (chemical sense)
Specific Function of CNII
Vision (special sense)
Specific Function of CNIII
Innervation of Superior Rectus, Inferior Rectus, Medial Rectus, Inferior Oblique and Levator Palpebrae Superioris (somatic motor)
Innervation of Pupillary Sphincter Muscle/ Ciliary Muscle (visceral motor- Ciliary Ganglion)
Specific Function of CNIV
Innervation of Superior Oblique (somatic motor)
Specific Function of CNV
Sensory to skin of face (somatic sensory)
V1- Ophthalmic Division (lacrimal, supraorbital and supratrochlear (frontal), nasocilliary (anterior/posterior ethmoidal nerves, infratrochlear, and long ciliary nerves- cornea)
V2- Maxillary Division (Zygomaticotemporal, Zygomaticofacial and Infraorbital)
V3- Mandibular Division (Auriculotemporal, Buccal, Mental)
Innervation of Muscles of Mastication, Mylohyoid, Tensor Tympani, Tensor Palati and Anterior Belly of Digastric (branchiomotor; V3 only and 1st Branchial Arch)
Specific Function of CNVI
Innervation of Lateral Rectus (somatic motor)
Specific Function of VII
Sensory to Outer Ear and some of the skin of the External Auditory Meatus (somatic sensory)
Innervation of lacrimal gland and mucus glands of nose palate (visceral motor- pterygopalatine ganglion)
Innervation of the submandibular and sublingual salivary glands (visceral motor- submandibular ganglion)
Sensory to nasopharynx (visceral sensory)
Taste at the anterior 2/3 of tongue (chemical sense)
Innervation of the muscles of facial expression, stylohyoid, posterior belly of digastric and stapedius (branchiomotor- 2nd Branchial Arch)
Specific Function of CNVIII
Auditory (hearing) and Vestibular (balance) sensation (special sense)
Specific Function of CNIX
Sensation of outer ear and part of the external auditory meatus (somatic sensory)
Innervation of Parotid Gland (visceral motor)
Sensation to posterior 1/3 of tongue, oropharynx, tympanic cavity, auditory tube and carotid sinus (visceral sensory)
Taste at the posterior 1/3 of tongue (chemical sense)
Innervation of Stylopharyngeus (branchiomotor- 3rd Branchial Arch)
Specific Function of CNX
Sensory to skin of outer ear and external auditory meatus (somatic sensory)
Parasympathetic innervation to many organs in the thorax and abdomen (visceral motor- many ganglia)
Sensation to laryngopharynx, larynx in head, and organs of the thorax and abdomen (visceral sensory)
Taste to most posterior part of tongue, immediately anterior to epiglottis (chemical sense)
Innervation of all muscles of the pharynx (except Stylopharyngeus, muscles of larynx and all muscles of the palate (except tensor palati) (branchiomotor; 4th Branchial Arch)
Specific Function of CNXI
Innervation of Sternocleidomastoid and Trapezius (branchiomotor; 6th Branchial Arch)
Specific Function of CNXII
Innervates muscles of the tongue (somatic motor)
Olfactory Nerve passes through the…
Olfactory Foramen
Optic nerve passes through the…
Optic Foramen and Canal
Oculomotor Nerve passes through the…
Superior Orbital Fissure
Trochlear Nerve passes through the…
Superior Orbital Fissure
Trigeminal Nerve passes through the…
V1 (ophthalmic)- Superior Orbital Fissure
V1 (other branches)- anterior and posterior ethmoidal foramina
V2- Foramen Rotundum and come out in orbit at the Inferior Orbital Fissure
V3- Foramen Ovale
Recurrent Part (Nervous Spinosus) of the Meningeal Branch of the Mandibular Nerve (V3)- returns through the Foramen Spinosum. The Middle Minengeal Artery passes through this too.
Abducens Nerve passes through the…
Superior Orbital Fissure
Facial Nerve passes through the…
Internal Auditory Meatus
Vestibule-Cochlear Nerve passes through the…
Internal Auditory Meatus
Glossopharyngeal Nerve passes through the…
Jugular Foramen
Vagus Nerve passes through the…
Jugular Foramen
Accessory Nerve passes through the…
Jugular Foramen
Hypoglossal Nerve passes through the…
Hypoglossal Canal