LAB 4: Skeletal System Flashcards

1
Q

What is the coronal suture?

A

A fibrous joint that separates the frontal bone from the parietal bones.

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2
Q

What does the mid-sagittal suture connect?

A

It connects the left and right parietal bones.

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3
Q

What is the lambdoidal suture?

A

A fibrous joint that separates the occipital bone from the parietal bones.

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4
Q

What is the squamosal suture?

A

A fibrous joint that separates the temporal bone from the parietal bones.

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5
Q

Name the bone located at the front of the skull.

A

Frontal bone

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6
Q

Name the bones that form the top and sides of the cranium.

A

Parietal bones

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7
Q

Which bone is located at the back of the skull?

A

Occipital bone

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8
Q

What is the function of the temporal bone?

A

It houses structures of the ear and forms part of the cranial base.

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9
Q

What is the sphenoid bone known for?

A

It is a complex bone that forms part of the base of the skull and the eye socket.

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10
Q

What role does the ethmoid bone play?

A

It forms part of the nasal cavity and the orbits.

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11
Q

What is the zygomatic bone commonly referred to as?

A

Cheekbone

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12
Q

What is the maxilla?

A

The upper jawbone that contains the upper teeth.

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13
Q

What is the mandible?

A

The lower jawbone that holds the lower teeth.

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14
Q

What is the vomer bone?

A

A bone that forms part of the nasal septum.

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15
Q

What are the palatine bones?

A

Bones that form part of the hard palate and the floor of the nasal cavity.

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16
Q

What is the hyoid bone’s unique characteristic?

A

It is the only bone in the human body that does not articulate directly with another bone.

17
Q

What are cervical vertebrae?

A

The seven vertebrae in the neck region.

18
Q

What are thoracic vertebrae?

A

The twelve vertebrae located in the upper and mid-back.

19
Q

What are lumbar vertebrae?

A

The five vertebrae in the lower back.

20
Q

What is the sacrum?

A

A triangular bone at the base of the spine formed by the fusion of five vertebrae.

21
Q

What is the coccyx commonly known as?

A

Tailbone

22
Q

What is the spinous process?

A

The bony projection off the back of each vertebra.

23
Q

What is the vertebral foramen?

A

The opening in each vertebra that houses the spinal cord.

24
Q

What are articular facets?

A

Surfaces on vertebrae that form joints with adjacent vertebrae.

25
Q

What are costal facets?

A

Depressions on thoracic vertebrae for rib articulation.

26
Q

What is the transverse process?

A

The lateral projections of a vertebra.

27
Q

What do intervertebral discs do?

A

They provide cushioning and support between vertebrae.

28
Q

What is the hypophyseal fossa?

A

A depression in the sphenoid bone that houses the pituitary gland.

29
Q

What is the crista galli?

A

“crest of the rooster”
a wedge-shaped, vertical, midline upward continuation of the perpendicular plate of the ethmoid bone of the skull