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Human Anatomy Lab Studying > Axial Skeleton > Flashcards

Axial Skeleton Flashcards

1
Q

What is known as a keystone bone and why?

A

Sphenoid bone, and because it articulates with the other cranial bones, and essentially holds them together

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2
Q

What’s the function of the Sella Turcia?

A

It cradles the pituitary gland

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3
Q
A
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4
Q

Which bone is the foramen magnum belong to and what is its function?

A

Occipital bone, and it connects the brain to spinal cord.

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5
Q

 What bone does the occipital condyles belong to and what is its function?

A

It belongs to the occipital bone, and it articulates with the first vertebrae, known as atlas

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6
Q

What is the purpose of the frontal bone?

A

Forms for head and interior portion of the cranial floor.

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7
Q

What bone does the supraorbital margin belong to and what is its function?

A

It belongs to the frontal bone, and it is the bones surrounding the orbital, which is associated with a blackeye

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8
Q

Where are the parietal bones located? And what is the function?

A

Located on the sides of the cranium informs the greater portions of the side, and roof cranium

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9
Q

What aspects of the cranium are the temporal bone?

A

The inferior lateral aspect

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10
Q

What bone does the styloid process belong to? And what is its function?

A

It belongs to the temporal bone and its function is, it’s the attachment point for muscles and ligaments for the tongue and neck

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11
Q

What phone does the mastoid process belong to? And what is its function?

A

It belongs to the temporal bone and it is the attachment point for neck muscles

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12
Q

What bones does the external auditory/acoustic meatus belong to, and what is it

A

 It belongs to the temporal bone and it is that the ear canal

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13
Q

What bone does the temporal squama belong to?

A

The temporal bone, and is the flat portion that forms the temple

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14
Q

What bone does the mandibular fossa belong to and what is its purpose?

A

The mandibular fossa belongs to the temporal bone, and its purpose is to articulate with the temporal bone

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15
Q

What bone is the occipital condyles belong to and what is its purpose?

A

The occipital condyles belong to the occipital bone, and they articulate with the first vertebrae known as atlas

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16
Q

What does the mandibular fossa and articulate tubercle articulate with

A

Condylar mandible process to form temporomandibular joint

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17
Q

What bone does pterygoid process and what is its function

A

Sphenoid bone and mandibular muscle attachment (movement of the lower jaw)

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18
Q

What is the ethmoid bone?

A

Anterior part of the cranial floor and medial to the orbits.

19
Q

What bone does the cribriform plate belong to? And what is its function?

A

Contains olfactory foramina which allows olfactory nerves to enter the brain from the nasal cavity

20
Q

What bone does the crista galli belong to? And what is its function?

A

It belongs to the ethmoid bone, and its function is to anchor the meninges.

21
Q

What is the maxilla and what bone does it not articulate with?

A

The upper jaw, and it does not articulate with the mandible

22
Q

The alveolar process belong to what bone and what are they.

A

Maxilla and teeth sockets

23
Q

What bone does palatine process belong to and what does it form

A

Forms hard palate and belongs to maxilla

24
Q

What bone does Palatine process belong to and what is it

A

Maxilla and forms anterior portion of hard palate

25
Q

What is the mandible and is it the only movable bone in the skull

A

The mandible is the lower jaw and it is the only movable bone in the skull

26
Q

What is the mandible and is it the only movable portion of the skull

A

 The man of what is the lower jaw and yes

27
Q

What bone does the condylar process belong to and what does it articulate with

A

Mandible and with the temporal bone

28
Q

What bone do the mental and manipulative foramen belong to and what sites are they

A

Mandible and sites of anesthetic injections

29
Q

Volmer

A

Forms bottom portion of septum

30
Q

Temporal process of zygomatic bone will articulate with zygomatic process of temporal bone to form zygomatic arch or apples of cheek

A
31
Q

Hyoid bone

A

Does not articulate with any phone and is extremely mobile. It helps support the tongue and attaches the neck and pharynx muscles

32
Q

Fontanelles

A

Soft/membranous portions in an infants skull where sutures will eventually develop.

33
Q

What is the purpose of intravertebral disc in the vertebral column?

A

Forms joints, that allow movement and absorb shock

34
Q

What is the purpose of inter-vertebral pads in the vertebral column the

A

 Forms joints allowing movement and shock absorption

35
Q

How is the vertebral foramina formed and what does it allow pass through?

A

Formed by the lamina and pedicles it allows spinal cord and blood vessels to pass

36
Q

What allows vertebrae to articulate with each other

A

Superior and inferior particular processes

37
Q

What are the characteristics of the first vertebrae also known as atlas 1

A

yes movement articulates with occipital condyles does not have a body or spinous process , instead, articular facet that articulate with occipital condyle and has the largest vertebral foramen 

38
Q

Characteristics of axis

A

No movement has dens the Projects superior from the vertebral body and anterior to Atlas vertebral foramina.

39
Q

Characteristics of thoracic vertebrae’s

A

Contains facets, and Demi facets that articulate with the service of ribs or allows for rib attachment. Spinous process also faces inferiorly or downward vertebral body is triangle shaped

40
Q

Characteristics of lumber vertebrae

A

Circle vertebral bodies also the largest vertebral bodies spinous processes points posteriorly purpose is to support torso

41
Q

What does atlas one support

A

The head

42
Q

What material connects a true rib to the sternum

A

Hyaline costal cartilage

43
Q

How are the ribs connected to the sternum?

A

Ribs one through seven are connected via costal cartilage to the sternum. These are known as true ribs ribs eight through 10 are known as false ribs, and they are connected to the seventh through via costal cartilage ribs 10 through 12 are connected posterior to the vertebral column. They are known as floating ribs.

Human Anatomy Lab Studying (13 decks)

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