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Oral anatomy and histology > test 1; skeletal system > Flashcards

test 1; skeletal system Flashcards

1
Q

process

A
  • general term for any prominence on a bony surface
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2
Q

bony prominences (11)

A
  • process
  • condyle
  • head
  • tuberosity
  • arch
  • cornu
  • tubercle
  • crest
  • spine
  • arch
  • line
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3
Q

condyle

A

oval prominence usually involved with joints

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4
Q

head

A

rounded structure projecting from a bony surface by a neck

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5
Q

tuberosity

A

attachment sites for muscles or tendons

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6
Q

arch

A

prominence shaped like a bridge with a bowlike outline

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7
Q

cornu

A

small hornlike prominence on a bony surface

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8
Q

tubercle, crest, line, spines

A
  • primarily serve as muscle and ligament attachments
  • tubercle/eminence: small rounded elevation on a bony surface
  • crest: prominent, often rough border or ridge on a bony surface
  • line: small straight ridge
  • spine: abrupt small prominence that may be a blunt or sharply pointed projection
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9
Q

bony depressions 5

A

notch
sulcus
fossa
fovea
plate

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10
Q

notch
sulcus
fossa
fovea
plate

A

notch: indentation at the edge of a bone

sulcus: shallow depression or groove that usually marks the course of blood vessels or nerves

fossa: generally deeper depression/concavity on a bony surface; can be parts of joints, attachment sites for muscles

fovea: small pit/depression in bone or other structure

plate: flat structure of a bone

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11
Q

bony openings

A
  • bones that have an opening/foramen/canal
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12
Q

foramen
fissure
ostium
aperture
canal
meatus

A

foramen: short window-like opening

fissure: narrow, cleftlike

ostium: entrance into a hollow organ or canal

aperture: narrow opening

canal: longer, narrow, tubelike opening

meatus: type of canal

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13
Q

define articulation

A

area of the skeleton where the bones are joined to each other; can be associated with either a movable or immovable joint

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14
Q

joint
tendon
ligament
suture

A

joint: union of two or more bones
tendon: muscle to bone
ligament: bone to bone (joint)
suture: union of bones joined by fibrous CT; immoveable

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15
Q

the alveolar process is covered by:

A

the alveolar mucosa on both the maxilla and madible

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16
Q

name the cranial bones and their number

A

ethmoid bone: single
frontal bone: single
occipital bone: single
parietal: paired
sphenoid: single
temporal: paired

17
Q

name the facial bones and their number

A

inferior nasal conchae: paired
lacrimal bones: paired
mandible: single
maxillae: paired
vomer: single
zygomatic: paired

18
Q

list the sutures, their number, and bony articulations

A

coronal suture: paired; frontal bone and parietal bones

sagittal suture: single, parietal bones

squamosal sutures: paired; temporal and parietal bones

lambdoidal suture: single; occipital bone and parietal bones

frontonasal suture: single; frontal and nasal bones

intermaxillary suture: single; 2 maxillae

median palatine suture: single; anterior part connect the maxillae, posterior part connects the palatine bones

temporozygomatic sutures: paired; temporal and zygomatic bones

transverse palatine suture: single; maxillae and palatine bones (horizontal suture)

zygomaticomaxillary suture: paired; zygomatic and maxilla

19
Q

neurocranium vs viscerocranium

A

neruo: cranial bones (enclose the brain)

viscero: facial bones

20
Q

how many bones does the skull have

A

22 not including the 6 auditory ossicles

21
Q

what are the bones of the ear from lateral to medial

A

malleus, incus, stapes

22
Q

which bone of the skull is movable

A

the mandible at its temporomandibular joint

the skull also has movable articulation with its bony vertebrae

23
Q

parts of the mandible

A
  • coronoid process: anterior to mandibular condyle
  • coronoid notch: deep bony structure to retromolar pad
  • mandibular condyle: posterior to coronoid process
  • mandibular notch: between coronoid process and condyle
  • ramus: flat posterior part of mandible
  • symphysis
  • alveolar process
  • mental protuberance
  • angle
  • mental foramen
  • body
  • alveolus
24
Q

list the specific bony opening of the temporal bone
5

A

carotid canal

external acoustic meatus

internal acoustic meatus

petrotympanic fissures

stylomastoid foramina

Oral anatomy and histology (15 decks)

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