Neurocranium et Ossa Cranii
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Questions and Answers

Quis canalibus non est collegatus cum canalis caroticus?

  • Canaliculi caroticotympanici
  • Canaliculus cochleae (correct)
  • Canalis nervi facialis
  • Canaliculus tympanicus

Quis canaliculus facialis participate in communicatione cum situazione tympanica?

  • Canaliculus cochleae
  • Canaliculus mastoideus
  • Canaliculus chordae tympani (correct)
  • Canaliculus vestibuli

Quod foramina est apertio externa canaliculi tympanici?

  • Fissura petrotympanica
  • Apertura interna canaliculi tympanici
  • Foramen stylomastoideum
  • Apertura externa canaliculi tympanici (correct)

Quod pars osfrontalis non pertinet ad squamam ossis frontalis?

<p>Squama ossis occipitalis (D)</p> Signup and view all the answers

Quod sulcus non relatum ad sinus frontalis est?

<p>Sulcus temporalis (D)</p> Signup and view all the answers

Quis canaliculus est associatus cum fossa jugularis?

<p>Canaliculus mastoideus (C)</p> Signup and view all the answers

Quod foramina non pertinet ad foramina ethmoidalia?

<p>Foramen stylomastoideum (A)</p> Signup and view all the answers

Quod canaliculus non est implicatus in functione auditiva?

<p>Canalis musculotubarius (A)</p> Signup and view all the answers

Quod canaliculus connectit ad semicanalem musculi tensoris tympani?

<p>Canalis musculotubarius (A)</p> Signup and view all the answers

Quis area non adhibetur in anatomia frontalis?

<p>Fossa glandulae lacrimalis (D)</p> Signup and view all the answers

Quod os partem neurocranii complet?

<p>Os frontale (D)</p> Signup and view all the answers

Quid de ossibus sphenoidali est verum?

<p>Includit corpus osseum (A)</p> Signup and view all the answers

Quae sutura non est inter ossa parietalia?

<p>Sutura zygomatica (B)</p> Signup and view all the answers

Quod foramen non pertinet ad os temporale?

<p>Foramen ovale (A)</p> Signup and view all the answers

Quae pars os occipitale non consociatur cum condyli occipitales?

<p>Fossae cerebrales (D)</p> Signup and view all the answers

Quod de ossibus temporalis non est verum?

<p>Pars mastoidea non habet cellulae mastoideae (A)</p> Signup and view all the answers

Quid non est in processus pterygoideus ossis sphenoidalis?

<p>Fossa temporalis (D)</p> Signup and view all the answers

Quis processus non est in os sphenoidale?

<p>Processus mastoideus (D)</p> Signup and view all the answers

Quod sinus non pertinet ad corpus ossis sphenoidalis?

<p>Sinus maxillaris (D)</p> Signup and view all the answers

Quod foramen non aperit in parte inferiori pyramidis ossis temporalis?

<p>Foramen rotundum (A)</p> Signup and view all the answers

Quae facies non est facies alae majoris ossis sphenoidalis?

<p>Facies cranialis (D)</p> Signup and view all the answers

Quod nomen non pertinet ad foramina ossis occipitalis?

<p>Foramen intervertebralis (C)</p> Signup and view all the answers

Quae pars non facit partem ossis temporalis?

<p>Pars alveolaris (D)</p> Signup and view all the answers

Quod sinus non est multa in cranii parte?

<p>Sinus radialus (B)</p> Signup and view all the answers

Flashcards

Canalis caroticus

A canal in the temporal bone, housing the internal carotid artery.

Canaliculi caroticotympanici

Small canals connecting the carotid canal to the tympanic cavity.

Canalis nervi facialis

Canal in the temporal bone for the facial nerve.

Canalis musculotubarius

Canal for the tensor tympani muscle and the auditory tube.

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Canaliculus chordae tympani

Small canal for the chorda tympani nerve.

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Canaliculus tympanicus

Small canal involved in the tympanic cavity.

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Canaliculus cochleae

Small canal related to the cochlea.

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Canaliculus vestibuli

Small canal linked with the vestibular apparatus of the inner ear.

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Canaliculus mastoideus

Small channel in the mastoid process.

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Squama ossis frontalis

The flat, shield-shaped part of the frontal bone.

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Neurocranium

The part of the skull that encloses the brain, comprising the calvarium and basis cranii.

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Os frontale

The bone forming the forehead part of the skull.

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Ossa parietalia

The paired bones forming the top and sides of the skull.

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Os occipitale

The bone forming the back and base of the skull.

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Os sphenoidale

A complex bone forming part of the base and sides of the skull, holding the pituitary gland.

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Ossa temporalia

The bones forming the temples and portions of the base of the skull.

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Foramen magnum

The large opening at the base of the occipital bone, where the spinal cord passes through to the brain.

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Sella turcica

A depression in the sphenoid bone, enclosing the pituitary gland.

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Foramen rotundum

Rounded opening in the greater wing of the sphenoid bone.

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Foramen ovale

Oval-shaped opening in the greater wing of sphenoid bone.

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Pars Petrosa

Part of the temporal bone, containing the inner ear structures.

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Meatus acusticus externus

External ear canal.

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Processus mastoideus

Bony prominence of the temporal bone, behind the ear.

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Study Notes

Neurocranium

  • Comprises the bones that enclose and protect the brain
  • Includes the calvarium (skullcap) and basis cranii (cranial base)

Skull Bones

  • Os frontale (Frontal Bone):
    • Forms the forehead and part of the eye sockets (orbital parts)
    • Also includes the nasal part (forming part of the nose)
  • Ossa parietalia (Parietal Bones): (2)
    • Form the sides and top of the cranium
    • Connected to the frontal bone by the coronal suture (crown suture)
    • Connected to the occipital bone by the lambdoid suture
    • Connected to the temporal bones by the squamous sutures
    • Features include the following:
      • Superior and inferior temporal lines
      • Parietal tubercles
      • Parietal foramina
  • Os occipitale (Occipital Bone):
    • Forms the back and base of the skull
    • Contains the foramen magnum (large opening for the spinal cord)
    • Includes the pars squamosa, pars basilaris, partes laterales.
    • Features include the following:
      • External occipital protuberance
      • Superior and inferior nuchal lines
      • Foramen magnum (big hole)
  • Ossa temporalia (Temporal Bones): (2)
    • Lie below the parietal bones,
    • Contains structures related to the ear
    • Divided into parts:
      • Pars squamosa (squamous part): forms part of the temporal bone
      • Pars petrosa (petrous part): forms part of the cranial base
      • Pars mastoidea (mastoid part): filled with air spaces (mastoid cells)
      • Pars tympanica(tympanic part): forms part of the bony structure of the ear
      • Features include:
        • Zygomatic process
        • Styloid process
        • Mastoid process
        • External acoustic meatus
        • Internal acoustic meatus
        • Mandibular fossa and articular tubercle
  • Os sphenoidale (Sphenoid Bone):
    • Forms part of the base of the cranium and the eye sockets.
    • Features include:
      • Body
      • Greater and lesser wings
      • Pterygoid processes
      • Sella turcica (Turkish saddle): houses the pituitary gland
      • Optic canals
      • Foramen rotundum, ovale, spinosum
  • Sutures:
    • Coronal suture (crown suture), joining the frontal and parietal bones
    • Lambdoid suture, joining the parietal and occipital bones
    • Squamous suture, joining the parietal and temporal bones.

Sphenoid Bone Details

  • Corpus ossis sphenoidalis (Body):
    • Contains the sella turcica (pituitary fossa)
    • Features conchae, crista,rostrum, sinus
  • Alae minores (Lesser Wings):
    • Optic foramina
      • Passages for the optic nerves
    • Processes clinoidei anteriores
  • Alae majores (Greater Wings):
    • Several foramina (openings)
      • Foramen rotundum, ovale
  • Processus pterygoidei (Pterygoid Processes): –Paired
    • Pterygoid fossa
    • Hamulus pterygoideus

Other Important Structures

  • Foramina: Various openings in the skull bones.
  • Canals: Passages through the skull bones.
  • Processes: Projections of bone.
  • Sutures: Immovable joints between skull bones.

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Description

Hic quiz explorat neurocranium et ossa cranii, quae cerebrum tuentur. Accepta sunt notiones de ossibus frontali, parietali, et occipitali, una cum eorum structura et functione. Paratus es ad cognoscendum quae partes craniali ad cerebrum pertinent?

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