Axial skeleton Flashcards

1
Q

Forehead. A part of cranial bones.

A

Frontal bone

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2
Q

Lower jaw/jaw. A part facial bones.

A

Mandible

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3
Q

Cheekbones. A part of facial bones. Lump of bone behind ear; contains air cells which link up to middle ear.

A

Zygomatic bones & zygomatic process

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4
Q

Superior sides of face. A Part of cranial bones. Forms part of the lateral walls of the cranium inferior to the parietal bones.

A

Temporal bone

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5
Q

these bones make up the majority of the inferior view of the skull. Forms the posterior part and most of the base of the cranium. Nodding head requires this condyle.

A

Occipital bones & occipital condyles.

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6
Q

A bat shaped bone located posterior to the frontal bone, (inferior view of skull). Spans entire width + cranial floor. Another structure/bone houses pituitary gland.

A

Sphenoid bone

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7
Q

Large opening on the inferior surface of the skull where the brain and spinal cord meet.

Foramen= hole through bone magnum= big

A

Foramen magnum

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8
Q

A jagged opening that serves as a passageway for small arteries supplying blood to the inner surface of the cranium. Of temporal bone.

Foramen= hole through bone

A

Foramen lacerum

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9
Q

A passageway for 3 cranial nerves as well as internal jugular vein, which drains blood from the brain. Of temporal bone.

Foramen= hole through bone

A

Jugular foramen

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10
Q

A saddle-shaped area in the mid-line of the sphenoid bone which houses the pituitary gland. *Origin; think of a little boat?

A

Sella turcica

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11
Q

Of the temporal bone. Conducts sound waves toward the eardrum. Internal is a passageway for two cranial nerves.

A

External acoustic meatus

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12
Q

Inferior to the mandible, in upper neck. A unique c-shaped bone that does not articulate with any other bone but is suspended by styloid processes of the temporal bone by ligaments and muscles. Attached to tongue, larynx; used for swallowing & speech.

A

Hyoid bone

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13
Q

A facial bone. Forms the upper jaw, articulate with all other facial bones except mandible. Contains upper teeth sockets.

A

Maxillae

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14
Q

Base of the skull, nasal region. Located on either side (between the ridge; crista galli, which anchors folds of the dura mater which help to separate cerebral hemispheres.) is the cribriform plates; studded with olfactory foraminas that serve as passageways for fibers of the olfactory cranial nerves.

A

Ethmoid bone

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15
Q

Part of temporal bone. Allows internal carotid arteries + nerve fibers from parasympathetic NS to pass through. (Delivers blood to brain.)

A

Carotid canal

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16
Q

Or hard palate (bony roof of the mouth)

A

Palatine bone

17
Q

Smallest bones in the skull (facial bone) located in the medial portion of eye orbit. Sac within collects tears and drains the fluid into the nasal cavity.

A

Lacrimal bones