Bones and joints Flashcards

1
Q

Parts of the mandible

A

Body, angle, ramus, condyle and coronoid process.

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2
Q

Body of the mandible

A

Found inferior to the lower teeth.

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3
Q

Angle of the mandible

A

Posterior corner of the mandible.

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4
Q

Ramus

A

The vertical portion of the mandible at the posterior end.

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5
Q

Condyle of the mandible

A

Found just anterior to the ear canal and inferior to the zygomatic arch.

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6
Q

Coronoid process

A

One inch anterior to the condyle of the mandible.

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7
Q

Maxilla

A

Bone found in the centre of the face. Forms the inferior orbit of the eye and around the nose and upper jaw.

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8
Q

Zygomatic bone

A

Cheekbone; forms the lateral orbit of the eye.

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9
Q

Nasal bone

A

Forms the bridge of the nose. Small, located between the frontal and maxillary bones.

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10
Q

Frontal bone

A

Anterior aspect of the cranium. Forms the forehead and superior aspect of the orbit.

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11
Q

Parietal bones

A

Bones found posterior to the frontal bone. Form the sagittal suture.

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12
Q

Temporal bones

A

Found inferior to the parietal bones.

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13
Q

Landmarks of the temporal bones

A

Mastoid process, superficial zygomatic arch.

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14
Q

Mastoid process

A

Large, superficial bump directly behind the earlobes.

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15
Q

Superficial zygomatic arch

A

Bony arch between the bheekbone and temporal bone.

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16
Q

Occipital bone

A

Most posterior cranial bone.

17
Q

Landmarks of the occiput

A

External occipital protuberane and superior nuchal line.

18
Q

External occipital protuberance

A

Midline bumb on the occiput.

19
Q

Superior nuchal line

A

Ridge which extends laterally from the external occipital protuberance.

20
Q

Hyoid bone

A

Horseshoe shaped bone found superior to the thyroid cartilage.

21
Q

Thyroid cartilage

A

The Adam’s apple. Protects the thyroid.

22
Q

First cricoid cartilage

A

Inferior to the thyroid cartilage. Is a slightly larger ring of the trachea.

23
Q

Lamina groove

A

Groove between the spinous and transverse processes of the vertebrae.

24
Q

Muscles which extend the head and neck

A

Trapezius (upper fibers), levator scapula and splenius capitis

25
Q

Muscles which flex the head and neck

A

Sternocleidomastoid, anterior scalene

26
Q

Muscles which rotate the head and neck to the same side

A

Levator scapula and splenius capitis.

27
Q

Muscles which rotate the head and neck to the opposite side

A

Trapezius (upper fibers), sternocleidomastoid, and the scalenes when the ribs are fixed.