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Human Anatomy > Skeletal System : The Axial System > Flashcards

Skeletal System : The Axial System Flashcards

1
Q

What are 5 main types of bone based on shape?

A
  1. Long
  2. Short
  3. Flat
  4. Irregular
  5. Sesamoid
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2
Q

What are small, extra bone plates located within the sutures of cranial bones?

A

Sutural Bones

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3
Q

What are the jointed areas where flat bones come together?

A

Sutures

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4
Q

What are the 2 major types of surface markings?

A
  1. Depression / Openings
  2. Processes
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5
Q

Depression + Openings or Processes
- Allow the passage of soft tissues
- Form joints

A

Depression + Openings

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6
Q

What is a narrow slit between bones for passage of blood vessels or nerves?

A

Fissure

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7
Q

What is a hole for passage of blood vessels, nerves or ligaments?

A

Foramen

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8
Q

What is a shallow depression?

A

Fossa

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9
Q

What is a furrow on a bone for passage of blood vessel, nerve or tendon?

A

Sulcus

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10
Q

What is a tubelike opening?

A

Meatus

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11
Q

What is a rounded projection with a smooth articular surface?

A

Condyle

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12
Q

What is a smooth, flat, slightly concave articular surface?

A

Facet

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13
Q

What is usually rounded articular process supported on a neck?

A

Head

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14
Q

What is a prominent ridge or elongated process?

A

Crest

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15
Q

What is usually roughened projection on a condyle?

A

Epicondyle

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16
Q

What is a long, narrow ridge or border (less prominent than a crest)?

A

Line

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17
Q

What is a sharp, slender projection?

A

Spinous process

18
Q

What is a very large projection found only on the femur?

A

Trochanter

19
Q

What is a variably sized rounded projection?

A

Tubercle

20
Q

What is a variably sized projection with rough, bumpy surface?

A

Tuberosity

21
Q

How many bones does the skull contain?

A

22 bones

22
Q

What is the largest and strongest facial bone?
only the moveable skull bone?

A

Mandible

23
Q

What is an immoveable joint?

A

Sutures

24
Q

What bone does not articulate with any other bone?
supports the tongue and provides an attachment site for some muscles of the neck and pharynx

A

Hyoid bone

25
Q

What is also known as the spinal column, backbone or spine?
What protects the spinal cord?

A

Vertebral column

26
Q

What is composed of 26 vertebrae? How many regions is it divided into?

A

Vertebral Column
5 regions

27
Q

What is located between the bodies of the vertebrae from the second cervical to the sacrum?

A

Intervertebral Discs

28
Q

What supports the ribs and have special structures for rib head and tubercle attachment?

A

Thoracic Vertebrae

29
Q

What is the largest and strongest vertebrae?
no special structures that are specifically associated with these vertebrae

A

Lumbar Vertebrae

30
Q

What is a triangular shape and is a part of the pelvic girdle and is composed of 5 vertebrae that fuse?

A

Sacrum

31
Q

What is smaller than the sacrum but is also triangular in shape and is composed of 4 vertebrae that fuse?

A

Coccyx

32
Q

What is the entire chest region?

A

Thorax

33
Q

What bones compose the thoracic cage?

A

Sternum, Ribs and Costal Cartilage

34
Q

How many segments is the sternum composed of?
What are they?

A

3 segments
- Upper manubrium
- middle body
- lower xiphoid process

35
Q

How many segments is the sternum composed of?
What are they?

A

3 segments
- Upper manubrium
- middle body
- lower xiphoid process

36
Q

What articulates with the clavicles and costal cartilages?

A

Sternum

37
Q

How many pairs does the ribs have?

A

12

38
Q

What are the true (vertebrosternal) ribs?
What is the cartilage directed to?

A

7 pairs

39
Q

What are the true (vertebrosternal) ribs?
What is the cartilage directed to?

A

The fist 7 pairs
They’re connected to sternum

40
Q

What are the false (vertebrochondral) ribs?
Is the cartilage connected to the sternum?

A

next 5 pairs
They are indirectly connected to the sternum

41
Q

What are the floating ribs?
Are they connected to the sternum?

A

Last 2 pairs
They are not connected to the sternum

Human Anatomy (9 decks)

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