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GA nerve foramina

The nerves and foramina of the skull quiz 4

QuestionAnswer
Transmitted through foramen cecum Valveless emissary vein
Through cribriform plate Filaments of CN I (olfactory)
Through optic canal Optic nerve (CN II), ophthalmic artery
Through superior orbital fissure CN III (occulomotor), CN IV (trochlear), CN V1 (ophthalmic of trigeminal), CN VI (abducens)
Through f. Rotundum Maxillary division of trigeminal nerve (CN V2)
Through f. Ovale Mandibular division of trigeminal n. (CN V3)
Through f. Spinosum Middle meningeal artery
Through f. Lacerum Filled with cartilage in life
Through carotid canal Internal carotid artery
Through internal acoustic meatus CN VII (facial) and CN VIII (vestibulocochlear)
Through jugular canal Internal jugular vein, CN IX (glossopharyngeal), CN X (vagus), CN XI (spinal accessory)
Through hypoglossal canal CN XII (hypoglossal n.)
Through condylar canal Emissary vein
Through Supraorbital f. Supraorbital N.A.V.
Through infraorbital f. Infraorbital N.A.V. (Nerve is a branch of Maxillary nerve)
External acoustic meatus Opening of external ear
Through Mental f. Mental N.A.V. (nerve is a branch of mandibular n (CN V3)
Through mandibular f. Inferior alveolar N.A.V.
Through incisive f. Nasopalatine n.
Through greater palatine f. Greater palatine N.A.V.
Through lesser palatine f. Lesser palatine N.A.V.
Through nasolacrimal canal Nasolacrimal duct
Through stylomastoid f. Most of CN VII (facial n.)
Through mastoid f. Emissary vein
Through f. Magnum Spinal cord, vertebral AA, spinal portion of CN XI (accessory nerve)
Olfactory n. number, component, innervation (I), sensory, olfactory epithelium of nasal cavity
Optic n. number, component, innervation (II), sensory, retina (rods and cones)
Oculomotor n number, component, innervation (III), motor; superior, medial, and inferior rectus, inferior oblique, and levator palpebrae superior
Trochlear n. number, component, innervation (IV), motor, superior oblique m.
Trigeminal n. number, component, innervation (V1,2,3), both, skin/mucosae of head and face via ophthalmic, maxillary, and mandibular divisions; mm of mastication, tensors tympani and veli palatini, mylohyoid and anterior digastric mm.
Abducens n number, component, innervation (VI), motor, lateral rectus m.
Facial n. number, component, innervation (VII), both, facial expression mm, stapedius, stylohyoid, and posterior digastric mm, lacrimal, sublingual, and submandibular glands and mucosa, taste buds of anterior 2/3 of tongue middle ear, and external ear
Vestibulocochlear n number, component, innervation (VIII), sensory, hair cells of cochlear duct
Glossopharyngeal n. number, component, innervation (IX), both, taste buds of posterior 1/3 of tongue, parotid gland, pharynx, carotid sinus, posterior 1/3 of tongue, auditory tube, middle ear
Vagus n. number, component, innervation (X), both, smooth and cardiac mm, glands of thoracic and abdominal organs through transverse colon, carotid and aortic bodies, mm of soft palate, pharynx, larynx, and esophagus, epiglottis, external ear
Accessory n number, component, innervation (XI), motor, mm of pharynx and larynx, sternocleidomastoid, trapezius m
Hypoglossal n number, component, innervation (XII), motor, extrinsic and intrinsic mm of tongue.
Created by: cooandrew