Skull Flashcards

1
Q

Calvaria

A

Skull cap

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2
Q

Basicranium

A

Basal plate

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3
Q

Viscerocranium

A

Lower portion of the skull

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4
Q

Neurocranium

A

Superior portion of the skull

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5
Q

Bone structure of the skull

A

Spongy bone sandwiched between dense cortical bone

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6
Q

Nasion

A

Frontonasal and internasal sutures meet

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7
Q

Glabella

A

Frontal bones superior to root of nose between eyebrows

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8
Q

Bregma

A

Junction of coronal and sagittal sutures

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9
Q

Vertex

A

Superior point on the neurocranium

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10
Q

Lambda

A

Junction point of lambdoid and sagittal sutures

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11
Q

Pterion

A

Junction point of greater wind of sphenoid, squamous temporal, frontal, and parietal bones

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12
Q

Asterion

A

Star-shaped junction of parietomastoid, occipitomastoid, lambdoid

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13
Q

Inion

A

Most prominent point of external occipital protuberance

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14
Q

Fontanelles

A

soft spots of neonate skulls. Anterior (parietal and frontal bones) and posterior (parietal and occipital bones)

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15
Q

Pneumatic space in the frontal bone

A

Frontal sinus

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16
Q

What bones form the upper jaw?

A

Maxillae

17
Q

What part of the maxillae includes the alveoli of the upper teeth?

A

Alveolar process

18
Q

What is the opening for the nasal cavity in the maxillae called?

A

Piriform aperture

19
Q

Forms part of the the medial wall of the orbit

A

Lacrimal bones

20
Q

Le Fort I Fx

A

Horizontal fx superior to the maxillary alveolar process, crossing the bony nasal septum

21
Q

Le Fort II Fx

A

Entire central part of the face is separated from the rest of the cranium. No zymgomatic involvement

22
Q

Coronal suture

A

Frontal bones, parietal bones

23
Q

Sagittal Suture

A

Parietal bone articulation

24
Q

Bregma

A

Junction of coronal and sagital suture

25
Q

Lambdoid suture

A

Parietal bone and occipital bon articulation

26
Q

Lambda

A

Juntion of lambdoid suture and sagittal suture

27
Q

Parts of the temportal bone

A

Squamous part, Zygomatic process, Tympanic part, Mastiod process, styloid process, petrous part

28
Q

Foramen ovale

A

Cranical nerve 3 passage. Posteriolateral to pterygoid process

29
Q

Foramen spinosum

A

Middle meningeal artery. Posteriolateral to foramen ovale

30
Q

Jugular foramen

A

CNs 9, 10, 11 and Internal Jugular Vein

31
Q

Hypoglossal Canals

A

CN 12

32
Q

Paranasal Sinues

A

Frontal, Ethmoidal, Sphenoidal, Maxillary