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Head and Neck Osteology
Head and neck osteology
29
Anatomy
Graduate
07/25/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Functions of the skull (7)
Definition
  • support and contain the brain
  • house the special senses
  • protection of brain to some degree
  • isolates the cerebral circulation
  • barrier against stresses due to large masticatory and axial musculature
  • bony orbit maintains the position of the eye during rotations which is necessary for binocular vision
  • bony fixation of semicircular canals necessary for their function
Term
Frontal bones boney landmarks (5)
Definition
  • frontal eminance
  • superciliary arch
  • glabella
  • supraorbital notch/foramen
  • zygomatic process
Term
Frontal eminance
Definition
slight prominences on either side of forehead
Term
Superciliary Arch
Definition

rounded elevation over medial orbit


Term
Glabella
Definition

median elevation connecting the superciliary arches


Term
Supraorbital notch/foramen
Definition
transmits supra-orbital nerve from V1
Term
Zygomatic process
Definition

small process for articulation with the zygomatic bone


Term
Parietal boney landmarks (3)
Definition
  • parietal eminance (tuberosity)
  • superior temporal line
  • inferior temporal line
Term
Parietal eminence (tuberosity)
Definition

small elevation near center of bones

Term
Superior temporal line
Definition

 curved line for attachment of temporal fascia


Term
Inferior temporal line
Definition

curved line for attachment of temporalis muscle


Term

junction of coronal and sagittal sutures is called the _____


Definition

junction of coronal and sagittal sutures is called the bregma


Term

the suture between the parietal bones and the occipital bone is called the _____


Definition

the suture between the parietal bones and the occipital bone is called the lambdoid suture


Term

junction of sagittal suture and lambdoid suture is called the ____

Definition

junction of sagittal suture and lambdoid suture is called the lambda

Term
Occipital boney landmarks (7)
Definition
    • external occipital protuberance (inion)
    • superior nuchal line
    • inferior nuchal line
    • external occipital crest
    • hypoglossal canal - contains hypoglossal nerve (CN XII)
    • foramen magnum
    • articular condyles
Term
Temporal bone boney landmarks (8)
Definition
    • squamous part
    • petrous part
    • zygomatic process
    • mandibular fossa
    • mastoid process
    • external-internal acoustic meatus - internal and lateral views
    • styloid process - external base view
    • stylomastoid foramen - external base view
Term
Sphenoid boney landmarks (10)
Definition
    • Body:  internal base view
      • optic groove
      • optic foramen (canal)
      • sella turcica
      • pituitary fossa (hypophysial)
    • Greater wing:  internal base view
      • foramen rotundum
      • foramen ovale
      • foramen spinosum
    • lesser wings
    • superior orbital fissure
    • pterygoid process (medial and lateral pterygoid plates) - external base view
Term
Ethmoid boney landmarks (2)
Definition

Cribiform plate 

crista galli

Term
Facial bones (8)
Definition
  • nasal bones
  • maxilla
  • lacrimal bones
  • zygomatic bones
  • palatine bones
  • inferior nasal conchae
  • vomer
  • mandible
Term
Maxilla boney landmarks (5)
Definition
      • body: infra-orbital foramen
      • zygomatic process
      • frontal process
      • alveolar process
      • palatine process - external base view
Term
Mandible boney landmarks (8)
Definition
      • body
      • mental protuberance
      • mental foramen
      • ramus
      • angle of mandible
      • coronoid process
      • condylar process with head
      • mandibular notch
Term
Cranial fossae (3)
Definition

anterior cranial fossa

middle cranial fossa

posterior cranial fossa

Term
Anterior cranial fossa 
Definition
    • less than the anterior third of the base
    • floor constitutes the roof of the orbit
    • lesser wings of the sphenoid form posterior part
    • frontal lobes of the brain located here
Term
Middle Cranial Fossa
Definition
    • houses anterior portion of temporal lobes
    • floor is formed by the greater wing of sphenoid and petrous portion of the temporal bone
    • in midline is the sella turcica
Term
Posterior Cranial Fossa
Definition
    • largest and deepest fossa
    • formed largely by the occipital bone
    • houses the cerebellum
Term
Cranial Foramina and their contents: Anterior Cranial Fossa (1)
Definition
cribiform plate - olfactory axons (CN 1)
Term

Cranial Foramina and their contents: Middle Cranial Fossa (6)

Definition
  • optic canal - optic nerve (CN 2)
  • superior orbital fissure - occulomotor nerve (NC 3), trochlear nerve (CN 4), ophthalmic nerve (CN V1), abducens nerve (CN V1)
  • foramen rotundum - maxillary nerve (CN V2)
  • foramen ovale - mandibular nerve (CN V3)
  • foramen spinosum - middle meningeal artery
  • foramen lacerum - cartilage
Term

Cranial Foramina and their contents: Posterior Cranial Fossa (4)

Definition
  • foramen magnum - spinal cord, vertebral arteries
  • jugular foramen - glossopharyngeal nerve (CN 9), vagus nerve (CN 10), accessory nerve (CN 11)
  • hypoglossal canal - hypoglossal nerve (CN 12)
  • internal acoustic meatus - facial nerve (CN 7), vestibulocochlear nerve (CN 8)
Term

Cranial Foramina and their contents: Other foramina (6)

Definition
  • supra-orbital foramen - supra-orbital nerve and vessels (V1)
  • infra-orbital foramen - infra-orbital nerve and vessels (v2)
  • mental foramen - mental nerve and vessels (V3)
  • mandibular foramen - branch of trigeminal (V3)
  • inferior orbital fissure - maxillary nerve (V2)
  • stylomastoid foramen - facial nerve (CN 7)
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