Anatomy Flashcards
Epidermis layers
stratum... Corneum Granulosum Lucidum Spinosum Basale
Optic canal
(1) Optic nerve(
2) Ophthalmic artery
(3) Central retinal artery
Superior orbital fissure
(1) CN III
(2) CN IV
(3) CN V1 branches
frontal nerve,
lacrimal nerve,
nasociliary nerve
(4) CN VI
(5) Superior ophthalmic vein (6) Inferior ophthalmic vein branch
(7) Middle meningeal artery (orbital branch)
Inferior orbital fissure
CN V2 branches
zygomatic nerves, sphenopalatine branch
Foramen rotundum
CN V2
Foramen ovale
(1) CN V3
(2) Accessory meningeal artery
(3) Lesser petrosal nerve
(4) Emissary vein
Foramen spinosum
Middle meningeal artery
Foramen lacerum
(1) Cartilage
(2) Internal carotid artery
(3) Deep petrosal nerve
(4) Greater petrosal nerve
(5) Terminal branch of ascending pharyngeal artery
(6) Emissary vein
Internal auditory canal (IAC)
(1) CN 7
(2) CN 8
(3) Labyrinthine artery
Jugular foramen
Anterior (1) inferior petrosal sinus Middle (2) CN 9 (3) CN 10 (4) CN 11 Posterior (5) Internal jugular vein (6) Meningeal branches from occipital and ascending pharyngeal arteries (7) NodesofKrause
Hypoglossal canal
(1) CN 12
(2) Emissary vein
(3) Lymphatics
Foramen magnum
(1) CN 11
(2) Medulla
(3) Vertebral arteries
(4) Anterior and posterior spinal arteries
SO4 LR6
CN 4: motor fibers for superior oblique muscle
CN 6: motor fibers for lateral rectus muscle; longest intracranial course of the cranial nerves
CN 5 motor
Muscles of mastication: - temporalis - masseter - lateral and medial pterygoids mylohyoid anterior digastric tensor tympani tensor veli palatini muscles
Jacobson’s nerve *tumor
CN 9 - tympanic branch (PARA pre - Visceral efferent)
From the inferior salivatory nucleus to tympanic plexus (leaves as lesser petrosal n) to the otic ganglion to the auriculotemporal nerve to the parotid gland
- Glomus tympanicum - neuroendocrine paraganglioma