Exam 1-General Characteristics of the Vertebral Column Flashcards Preview

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Flashcards in Exam 1-General Characteristics of the Vertebral Column Deck (17)
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1
Q

What is the number of vertebrae in a typical adolescent?

A

33 segments

2
Q

What is the number of vertebrae in a typical adult?

A

26 segments

3
Q

What is the number of vertebrae in the typical spine?

A

24 segments

4
Q

What constitues the spine?

A

the 24 presacral segments; the cervical, thoracic and lumbar vertebrae

5
Q

How many segments unite to form the typical sacrum?

A

5 segments

6
Q

How many segments unite to form the typical coccyx?

A

4 segments

7
Q

Which mammals do no have seven vertebrae?

A

two toed sloth, manatee, ant bear, and three toed sloth

8
Q

Which mammals have more then seven cervical vertebrae?

A

the ant bear and three-toed sloth

9
Q

Which mammals have less than seven cervical vertebrae?

A

the manatee and two-toed sloth

10
Q

What does the term “cervical” refer to?

A

the region of the neck

11
Q

What does the term “thoracic” mean?

A

breast plate or chest; it referred to the armor bearing region of the torso

12
Q

What other term is often used to identify the vertebral segments of the chest?

A

the dorsal segments; dorsal

13
Q

What is the the typical number of the segments in the dorsal or throacic region?

A

12 segments

14
Q

What does the term “lumbar” refer to?

A

the loin; the region between the rib and the hip

15
Q

What is the typical number of segments in the lumbar region?

A

5 segments

16
Q

What does the term “sacrum” refer to?

A

the holy bone or holy region

17
Q

What does the term “coccyx” refer to?

A

a cuckoo birds’ bill or cuckoo birds’ beak