Cochlear Aqueduct - Additional Images

Additional Images

  • Base of skull. Inferior surface.

This article incorporates text from a public domain edition of Gray's Anatomy.

Bones of head and neck: the neurocranium of the skull (TA A02.1.01–07, GA 2.129–155)
Occipital
Squama
  • external
    • Inion/External occipital protuberance
    • External occipital crest
    • Nuchal lines
  • planes
    • Occipital
    • Nuchal
  • internal
    • Cruciform eminence
    • Internal occipital protuberance
    • Sagittal sulcus
    • Internal occipital crest
Lateral parts
  • Condyle
  • Hypoglossal canal
  • jugular
Basilar part
  • Pharyngeal tubercle
Other
  • Foramen magnum
    • Basion
    • Opisthion
Parietal
  • Parietal eminence
  • Temporal line
  • Parietal foramen
  • Sagittal sulcus
Frontal
Squama
  • Frontal suture
  • Frontal eminence
  • external
    • Superciliary arches
    • Glabella
  • foramina
    • Supraorbital
    • Cecum
  • Zygomatic process
  • internal
    • Sagittal sulcus
    • Frontal crest
Orbital part
  • Ethmoidal notch
  • Fossa for lacrimal gland
  • Trochlear fovea
  • Frontal sinus
  • Frontonasal duct
Temporal
Squama
  • Articular tubercle
  • Suprameatal triangle
  • Mandibular fossa
  • Petrotympanic fissure
  • Zygomatic process
Mastoid part
  • Mastoid foramen
  • Mastoid process (Mastoid cells)
  • Mastoid notch
  • Occipital groove
  • Sigmoid sulcus
  • Mastoid antrum (Aditus)
Petrous part
  • Carotid canal
  • Facial canal (Hiatus)
  • Internal auditory meatus
  • Cochlear aqueduct
  • Stylomastoid foramen
  • fossae
    • Subarcuate fossa
    • Jugular fossa
  • canaliculi
  • Styloid process
  • Petrosquamous suture
  • (note: ossicles in petrous part, but not part of temporal bone)
Tympanic part
  • Suprameatal spine
Sphenoid
Surfaces
  • Superior surface: Sella turcica
    • Dorsum sellae
    • Tuberculum sellae
    • Hypophysial fossa
    • Posterior clinoid processes
  • Ethmoidal spine
  • Chiasmatic groove
  • Middle clinoid process
  • Petrosal process
  • Clivus
  • Lateral surface: Carotid groove
  • Sphenoidal lingula
  • Anterior surface: Sphenoidal sinuses
Great wings
  • foramina
    • Rotundum
    • Ovale
    • Vesalii
    • Spinosum
  • Spine
  • Infratemporal crest
  • Sulcus for auditory tube
Small wings
  • Superior orbital fissure
  • Anterior clinoid process
  • Optic canal
Pterygoid
processes
  • fossae
    • Pterygoid
    • Scaphoid
  • pterygoid plates
    • Lateral
    • Medial
  • Pterygoid canal
  • Hamulus
Other
  • Body
  • Sphenoidal conchae
Ethmoid
Plates
  • Cribriform plate
    • Crista galli
    • Olfactory foramina
  • Perpendicular plate
Surfaces
  • Lateral surface Orbital lamina
  • Uncinate process
  • Medial surface Superior nasal concha
  • Superior meatus
  • Middle nasal concha
  • Middle meatus
Labyrinth
  • Ethmoid sinus
  • ethmoidal foramina

M: BON/CAR

anat (c/f/k/f, u, t/p, l)/phys/devp/cell

noco/cong/tumr, sysi/epon, injr

proc, drug (M5)

Sensory system: Auditory and Vestibular systems (TA A15.3, TH 3.11.09, GA 10.1029)
Outer ear
  • Pinna (Helix, Antihelix, Tragus, Antitragus, Incisura anterior auris, Earlobe)
  • Ear canal
  • Auricular muscles
  • Eardrum (Umbo
  • Pars flaccida)
Middle ear
Tympanic cavity
  • Labyrinthine wall/medial: Oval window
  • Round window
  • Secondary tympanic membrane
  • Prominence of facial canal
  • Promontory of tympanic cavity
  • Membranous wall/lateral
  • Mastoid wall/posterior: Mastoid cells
  • Aditus to mastoid antrum
  • Pyramidal eminence
  • Carotid wall/anterior
  • Tegmental wall/roof: Epitympanic recess
  • Jugular wall/floor
Ossicles
  • Malleus (Neck of malleus, Superior ligament of malleus, Lateral ligament of malleus, Anterior ligament of malleus)
  • Incus (Superior ligament of incus, Posterior ligament of incus)
  • Stapes (Anular ligament of stapes)
Muscles
  • Stapedius
  • Tensor tympani
Eustachian tube
  • Bony part of pharyngotympanic tube
  • Cartilage of pharyngotympanic tube (Torus tubarius)
Inner ear/
(membranous labyrinth,
bony labyrinth)
Auditory system
Cochlear labyrinth
General cochlea
  • Scala vestibuli
  • Helicotrema
  • Scala tympani
  • Modiolus
  • Cochlear cupula
Perilymphatic space
  • Perilymph
  • Cochlear aqueduct
Cochlear duct /
scala media
  • Reissner's/vestibular membrane
  • Basilar membrane
  • Endolymph
  • Stria vascularis
  • Spiral ligament
  • Organ of Corti: Stereocilia
  • Tectorial membrane
  • Sulcus spiralis (externus, internus)
  • Spiral limbus
Cells
  • Claudius cell
  • Boettcher cell
Vestibular system/
Vestibular labyrinth
  • Static/translations/vestibule/endolymphatic duct: Utricle (Macula)
  • Saccule (Macula, Endolymphatic sac)
  • Kinocilium
  • Otolith
  • Vestibular aqueduct
  • Canalis reuniens
  • Kinetic/rotations: Semicircular canals (Superior, Posterior, Horizontal)
  • Ampullary cupula
  • Ampullae (Crista ampullaris)

M: EAR

anat (e/p)/phys/devp

noco/cong, epon

proc, drug (S2)

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