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Human Anatomy & Physiology > Cranium Bones > Flashcards

Cranium Bones Flashcards

1
Q

Frontal Bone

A

The Anterior Cranium

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2
Q

Supraorbital Margins

A

Ridge above the eyes/orbitals

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3
Q

Supraorbital Foramen

A

Little holes above the eyes/orbitals, blood vessels, and nerve passageway

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4
Q

Frontal Nasal Suture

A

Connects the nasal bridge to the frontal bone

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5
Q

Anterior Cranial Fossa

A

Depressions on the frontal surface, visible in the skull
(Fossa is a bone depression)

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6
Q

Occipital Bone

A

Articulates with parietals, temporals, and sphenoid

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7
Q

Foramen Magnum

A

“Big Hole,” fits the spinal cord

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8
Q

Occipital Condyle

A

Articulates with C1 (Cervical Vertebrae 1)
(Condyle is a rounded projection)

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9
Q

Posterior Cranial Fossa

A

Depressions on the back surface, visible in the skull

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10
Q

Temporal Bone

A

Articulates with the occipital, parietal, sphenoid, zygomatic, and mandible bones.

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11
Q

Meatus

A

Passageway in bone

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12
Q

Zygomatic Process

A

Part of the Zygomatic Arch, touches the zygomatic bone (Process: bone extension for muscle attachment)

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13
Q

Middle Cranial Fossa

A

Middle Depressions inside the skull

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14
Q

Sphenoid Bone (Bat-like shape)

A

“Keystone of the Cranium,” its central location lets it touch cranial bone

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15
Q

Sella Turcica

A

Saddle shaped area (head of the bat) and holds pituitary gland

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16
Q

Middle Cranial Fossa

A

Front of the temporal bone

17
Q

Ethmoid Bone

A

Complex Shape between the eyes and above the nasal cavity

18
Q

Cribriform Plate

A

Helps form roof pf nasal cavity and floor of cranial fossa (contains holes for olfactory nerves to pass through)

19
Q

Crista Galli

A

Triangular projection of cribriform plate
* Outer brain covering attaches here

20
Q

Perpendicular plate

A
  • Projects inferiorly from cribriform plate
  • Helps form superior part of nasal septum

Human Anatomy & Physiology (16 decks)

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