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Paired Bones Flashcards

1
Q

What is the cranial motion of the occiput, sphenoid, ethmoid, and vomer

A

Rotate about a transverse axis
Flexion paired with inhalation
Extension paired with exhalation

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2
Q

What are the paired bones of the cranial vault and temporal

A

Frontal, parietal, temporals

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3
Q

How do the paired bones of the cranial vault and temporals move

A

Rotate externally during cranial flexion

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4
Q

Paired bones of the face

A

Maxilla, palatines, and zygomatic

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5
Q

How do the paired bones of face move

A

Rotate externally during cranial flexion

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6
Q

What are the 5 bones that the parietal bone articulates with

A

Occiput, frontal, sphenoid, temporal, opposite parietal

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7
Q

Upper temporal ridge

A

Attachment of temporal fascia

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8
Q

Lower temporal ridge

A

Origin of the temporalis muscle

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9
Q

Temporalis fossa

A

Filled by the temporal muscle

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10
Q

Sagittal sulcus

A

A groove along the sagittal suture in which the sagittal sinus runs

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11
Q

Groove for middle meningeal artery

A

Anterior and posterior

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12
Q

Transverse sine

A

Lateral part of groove carries the marginal insertion for he tentorium cerebelli

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13
Q

Bevel change

A

Along coronal and lambdiodal articularions

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14
Q

Bevel change midway along sagittal and lambdoidal sutures creates a __ for the AP axis of motion (coronal plane)

A

Hinge

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15
Q

External rotation of the parietal occurs with SBS ___

A

Flexion stewie head

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16
Q

Deceive external rotation parietal

A

Inferior borders move laterally
Superior borders move medially and inferiorly
Pterion anterior and squamous sutures move laterally
Sagittal suture moves slightly inferiorly

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17
Q

External rotation parietals

A

Sagittal articulation moves inferiorly
Temporal articulation moves laterally
Cranium widens laterally

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18
Q

Internal rotation parietalsagittal articulation moves superiorly
Temporal articulation moves medially
Cranium narrows laterally

A

Ok

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19
Q

Cranial synostosis

A

Premature closure of the sutures -coronal sagittal lambdoidal

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20
Q

Head pain

A

Pain along suture

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21
Q

OM and asterion

A

Often tension headache

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22
Q

Pterion

A

Temporal headaches

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23
Q

Parietosquamous

24
Q

Middle meningeal arrtery

A

Trauma

Giant cell arteritis: diagnosed by contrast enhanced high resolution MRI

25
Head face and tooth pain
Temporal SD TrP
26
Sagittal synostosis
Most common synostosis Premature sagittal suture fusion Restricts transverse growth Look at pic of head
27
Lambdoidal synostosis unilateral
Flatten back of head on affected side And compensatory growth of mastoid process on same side Tilt in cranial base
28
Positional deformational plagiocephaly
Ear on affected side is back and toward fused suture
29
Temporal bone squamous portion
Zygomatic process -facial injury affects temporal bone
30
Petroleum temporal bone
Otovestibular organ Eustachian tube exit is between the sphenoid and temporal bones Border or foramen lacerum (with sphenoid) Attach of tentorium Encloses the internal carotid Lateral part of the jugular foramen Styloid process
31
New born temporal bones
No mastoid process
32
Eustachian tube
Exits petroud portion and becomes the medial was. Of the middle ear Internal rotation of temporalis will place pressure on Eustachian tube (high pitches tinittus) External toyation low roaring sound or low pitch
33
Internal rotation temporals
High pitched as place pressure on Eustachian tube
34
External rotation temporal bone
Low roaring sound or low pitched tinnitus
35
Temporal bone goes into __ ___ with SBS flexion
External rotation
36
Describe temporal bone external rotation
Squamous portion moves laterally | MP moves medially
37
Temporal bones moves into __ __ with SBS extension
Squamous portion moves medially Zygomatic process more prominent MP moves laterally
38
Temporal bone motion is driven by the __ through the ___ articulation
Occiput | OM
39
TMJ pain
Temporal bone SD
40
Head pain temporal one
Pain along suture OM and anterior-tension headache Pterion-temporal headaches Parietosquamous
41
Neck pain temporal bone
SCM and other muscles
42
Other temporal bone signed of Sd
Dizzy, ear infection, swelling and chewing, tinnitus, Bell’s palsy
43
Swallowing and wheezing
TMJ, stylohyoid, styloglossus
44
Tinnitus and Eustachian tube dysfunction
Internally rotated temporal associated with low road | Externally rotated temporal associated with high pitch
45
What bones do frontal bones articulate
Parietal, sphenoid, ethmoid, lacrimal, maxilla, nasal, zygoma
46
Axis frontal bones
Metopic has hinge like axis Coronal plane motion Moves from center of orbital roof through frontal eminence
47
Motion frontal cones
IR ER
48
ER frontal bone during SBS ___
Flexion
49
Describe frontal bone ER
Lateral side moves anterior/lateral and slightly inferior, labella moves posteriorly
50
Frontal bone __ happend with SBS extension
IR
51
Describe IR frontal bone
Lateral side moves posterior/medial and lightly superior, labella moves anteriorly
52
__ moves the frontal during external rotation
Sphenoid
53
Head pain frontal
Along suture Coronal-tension headache Pterion-temporal headaches
54
Head pain frontal
From diminished primary respiration and CSF flow due to increased dural tension at cribriform plate
55
Organ signs of temporal SD
Sinusitis, visual problems (double vision), anosmia (frontal influences cribriform) Frontalis muscle Trp/TP
56
Bicoronal synostosi
Fusion both coronal sutures leads to bracyephaly Causes restriction of growth of the anterior fossa resulting in a shorter and wider than normal skill Compensatory vertical growth (turricephaly) Seen in crouzon, Alpert sathre-
57
Unicoronal synostosis
Premature fusion of a dingle coronal suture leads to head shape called anterior plagiocephaly. Restricted anterior growth of skull , involving the top of the skull as well as the cranial base This causes deformities of the face, ear, nose and forehead Affected forehead is flat with te contralateral side move forward Affected side ear is also more forward Face has C shape Facial twist Base of noes to the affected side Facial deformity differentiated anterior plagiocephaly from positional deformational plagiocephaly

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