Exercise 9 Study Set Flashcards


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created 8 years ago by cg3094
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Activity 1, 3, 4.
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College: Second year
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1

Compact Bone is?

Smooth and homogeneous.

2

Spongy (or cancellous) bone is?

Composed of small trabeculae (bars) of bone and lots of open space.

3

What are the 4 groups of bones?

Long, Short, Flat, and Irregular bones.

4

Short bones

Typically cube shaped, and they contain more spongy bone than compact bone.
Ex: tarsals and carpals

5

Long Bones

Are much longer than they are wide, generally consisting of a shaft with heads at either end. They are composed predominantly of compact bone.
Ex: femur and phalanges.

6

Flat Bones

Generally thin, with two waferlike layers of compact bone sandwiching a layer of spongy bone between them. Many flat bones are curved.
Ex: bones of the skull.

7

Irregular Bones

Bones that do not fall into one of the other categories.
Ex: vertebrae

8
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Identify the diaphysis or shaft of a long bone.

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9

Hyaline cartilage

Provides a sturdy support with some resilience or "give". Most skeletal cartilages are composed of this cartilage.

10

Elastic cartilage

Much more flexible than hyaline cartilage, and it tolerates repeated bending better. Only found in the external ear and the epiglottis.

11

Fibrocartilage

Consists of two rows of chondrocytes alternating with rows of thick collagen fibers. It has great tensile strength and can withstand heavy compression, is used to construct the intervertebral discs and the cartilages withing the knee joint.

12

Site of blood cell formation?

Red marrow cavity

13

Major submembranous site of osteoclasts?

Endosteum

14

Scientific term for bone shaft?

Diaphysis

15

Contains fat in adult bones?

Medullary cavity

16

Growth plate remnant?

Epiphyseal Plate

17

Major submembranous site of osteoblasts?

Endosteum

18

Contains spongy bone is adults?

Epiphysis

19

Serves as an attachment point for muscles and bones through tendons and ligaments?

Periosteum

20

Layers of bony matrix around a central canal?

Concentric Lamellae

21

Site of osteocytes?

Lacunae

22

Longitudinal canal carrying blood vessels, lymphatics, and nerves?

Central canal

23

Minute canals connecting osteocytes of an osteon?

Canaliculi

24

Inorganic salts deposited in organic ground substance?

Matrix