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From Flashcardlet > Axial Skeleton > Flashcards

Axial Skeleton Flashcards

0
Q

Cranial bones

A 
Frontal
Occipital
Parietal (2)
Ethmoid
Sphenoid
Temporal (2)
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1
Q

Calvaria

A

Lid or cap of head

Top dome-like portion if skull

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2
Q

Nasal septum

A

Divides basal cavity

Bone and cartilage

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3
Q

Paranasal sinuses

A

-all lined with mucus and cilia
-all lessen weight of skull, moisten inhaled air, and give resonance to voice
Sphenoidal(most posterior)
Ethmoid all (several small pockets)
Frontal ( identifies individuals; like fingerprint)
Maxillary (drains from top)

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4
Q

Frontal bone

A 
Ant. Roof of cranium
Forehead
Portion of nasal cavity roof
Supra orbital margin
Supraorbital foramen
- appear at age 6, fully developed after 10; some
Never develop
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5
Q

Supraorbital margin

A

Bony ridge over orbits

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6
Q

Supraorbital foramen

A

Midpoint of each margin, allows small nerves and blood vessels

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7
Q

Parietal bones

A

“Walls”
Divided by sagittal suture
Divided from frontal by coronal suture

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8
Q

Craniosynostosis

A

Premature fusion or closing of one or more cranial sutures

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9
Q

Temporal bone

A 
2
Squamous suture
Four regions:
Petrous
Tympanic
Mastoid
Squamous
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10
Q

Petrous region

A

“Rocklike
Internal auditory canal
(Internal acoustic meatus)
Carotid canal ( entry of carotid artery )
Foramen lacerum (closed off by connective tissue is living human)
Jugular Foramen: blood drainage

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11
Q

Mastoid process

A

“Looks like a breast”

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12
Q

Otitis media

A

Infection of middle ear

int. auditory canal

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13
Q

Mastoiditis

A

Prolonged middle ear infections spread to mastoid air cells

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14
Q

Squamous region

A

“Scale like
Zygomatic process
Mandibular fossa
TMJ

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15
Q

Tympanic region

A 
"Like drum (tympani)
External auditory canal
(Ext. acoustic meatus)
Styloid process
(Attachment of tongue and hyoid)
16
Q

Occipital bone

A 
Lambdoid suture
Foramen magnum
Occipital condyles
(Art. W/ atlas, nodding motion)
Superior nuchal line
Inferior nuchal line
17
Q

Sphenoid bone

A 
Bridge bone
Most often fractured by traumatic movement of brain
Sella turcica
Pituitary gland
Optic foramen(canal)
Foramen rotundum
    -trigeminal nerve
Foramen ovale 
Foramen spinosum
Superior orbital fissure
Foramen lacerum
18
Q

Ethmoid bone

A 
Medial wall of orbits
Roof of nasal cavity, septum and walls
Crista galli
Falx cerebri
Cribriform plate
(Olfactory nerves)
"Meningitis"
Perpendicular plate
Super nasal conchae
Middle nasal conchae
19
Q

Zygomatic bone

A

2

Bony prominence of cheeks and lateral walls of orbits

20
Q

Lacrimal bone

A

2
“Tear”
Lacrimal groove
(Nasolacrimal duct: drains tears)

21
Q

Nasal bone

A

2

Bridge of nose

22
Q

Vomer

A

“Looks like plow”

Inf. post. Part of nasal septum

23
Q

Inferior nasal conchae

A

Below middle nasal conchae

Not apart of ethmoid bone; seperate

24
Q

Palatine bones

A

L shaped
Post. 3rd of hard palate
Post. Walls of nasal cavity
Barely contribute to floor of orbits

25
Q

Maxillae

A 
Alveoli
Infraorbital foramen
Ant. Portion of hard palate
Palatine processes
Ant floor and walls of nasal cavity
Inferior parts of orbits
26
Q

Cleft palate

A

Incomplete or no fusion of medial and maternal nasal prominences and maxillary process

27
Q

Cleft lip

A

Hare lip
Fissure in midline of palatine
Left and right palatine bones don’t fuse

28
Q

Crepitus

A

Cracking sound of escaping air from sinus to under skin

29
Q

Blowout fracture

A

Floor of orbit fracture and loses support for eye; falls into maxillary sinus

30
Q

Mandible

A 
Ramus(rami)
Mandibular condyle
TMJ
Coronoid process
Mandibular notch 
Angle
Mental foramen
Mandibular foramen
(Third division nerve block)
31
Q

Bones of the orbit

A 
Many people see zebras falling like elephants
Maxillae 
Palatine bones
Sphenoid
Zygomatic 
Frontal
Lacrimal
Ethmoid
32
Q

Bones if middle ear

A

Malleus(hammer)
Incus(anvil)
Stapes(stirrup)

33
Q

Hyoid bone

A

U shaped
Does not attach to any other bone
-suspended by ligaments from styloid process

34
Q

Bones of intramembranous ossification

A 
Flat bones of skull
Zygomatic bone
Maxilla
Mandible
Central part of clavicle
Seas mood bones
35
Q

Fontanelles

A

Fontanels
Membranous areas of skull, provide spaces between developing bones
Soft spots (baby head

36
Q

Molding

A

Shifting of skull bones in birth that can lead to a temporarily cone shaped head

37
Q

Sutural fusing

A

Coronal first: 20-30
Sagittal and then lambdoidal: 40’s
Squamous suture: 60’s or never

From Flashcardlet (13 decks)

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