Skull Flashcards

(30 cards)

1
Q

Coronal suture

A

Articulation b/w frontal and both parietal bones

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2
Q

Sagittal suture

A

Articulation between both parietal bones

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3
Q

Lambdoid suture

A

Articulation between parietal and occipital bones

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4
Q

Squamous suture

A

Articulation b/w temporal and parietal bones

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5
Q

Foramen magnum located in what skull bone

A

Occipital

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6
Q

What cranial depression houses the pituitary gland

A

Sella turcica

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7
Q

Foramen rotundum is exit for

A

Maxillary branch of trigeminal nerve

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8
Q

Foramen ovale is exit for

A

Mandibular branch of trigeminal nerve

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9
Q

Foramen spinosum is exit for

A

Middle meningeal artery

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10
Q

Sphenoid bone fun facts

A

Unites the cranial and facial bones
Articulates w/ almost every bone in the skull
Contains the sphenoid sinuses

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11
Q

Perpendicular plate of ethmoid bone

A

Superior portion of nasal septum

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12
Q

Orbital plate of ethmoid

A

Forms medial wall of the orbit

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13
Q

Crista galli of ethmoid

A

Attachment for falx cerebri

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14
Q

Ethmoidal labyrinth contains

A

Superior and middle nasal conchae

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15
Q

What nerve descends along lateral border of cribriform plate and what portion of skull is cribriform plate located

A

Olfactory nerve

Anterior cranial fossa

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16
Q

Cribriform foramina is passageway for what

A

Olfactory nerve branches

17
Q

Lacrimal groove is passageway of

A

The nasolacrimal duct

18
Q

What forms the inferior portion of the nasal septum

A

Vertical plate of the vomer bone

19
Q

Palatine bone orbital process

A

Part of medial floor of orbit

20
Q

Palatine perpendicular plate and horizontal plate

A

Perpendicular- lateral wall of nasal cavity

Horizontal- posterior portion of hard palate

21
Q

Medial wall of orbit formed by

A

Frontal process of maxilla
Lacrimal bone
Lateral mass of ethmoid bone

22
Q

Floor of orbit formed by

A

Perpendicular plate of palatine bone
Orbital surface of maxilla
Zygomatic bone

23
Q

Lateral wall of orbit formed by

A

Zygomatic process of frontal bone
Greater wing of sphenoid bone
Orbital surface of zygomatic bone

24
Q

Roof of orbit formed by

A

Lesser wing of sphenoid bone

Frontal bone

25
How many bones make up orbit
7
26
Structures in middle cranial fossa
Sella turcica- pituitary | Foramen ovale- mandibular trigeminal
27
Structures in posterior cranial fossa
Foramen magnum | Jugular foramen
28
Le Fort I fracture
Fracture of maxilla localized to the alveolar process | Underneath nose from edge of mouth to other edge of mouth
29
Le Fort II fracture
Partially through the orbit, and damages the maxilla up to the zygomatic maxillary suture
30
Le Fort III fracture
Detachment of the upper portion of face from the cranium