Bones Flashcards

1
Q

What type of connective tissue serves as a precursor to bones during development?

A

Cartilage

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2
Q

True or False: Cartilage is avascular, meaning it does not have blood vessels.

A

True

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3
Q

What is the primary function of cartilage in the body?

A

Providing structural support and flexibility

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4
Q

Fill in the blank: Cartilage is composed of ________ and ground substance.

A

Chondrocytes

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5
Q

What are the three main types of cartilage found in the human body?

A

Hyaline, fibrocartilage, and elastic cartilage

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6
Q

Which type of cartilage is most abundant in the body and is found in the trachea, ribs, and ends of long bones?

A

Hyaline cartilage

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7
Q

Fill in the blank: Fibrocartilage is found in ________ such as intervertebral discs and the pubic symphysis.

A

Joints

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8
Q

True or False: Elastic cartilage is highly flexible and is found in the external ear and epiglottis.

A

True

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9
Q

What is the process by which cartilage is replaced by bone during development?

A

Endochondral ossification

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10
Q

True or False: During endochondral ossification, the cartilage model is gradually replaced by bone tissue.

A

True

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11
Q

What is the primary cell responsible for bone formation during endochondral ossification?

A

Osteoblasts

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12
Q

Fill in the blank: Osteoblasts secrete ________ to build bone tissue.

A

Osteoid

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13
Q

True or False: Osteoclasts are responsible for breaking down bone tissue during remodeling.

A

True

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14
Q

What is the process by which bones grow in width through the addition of new bone tissue?

A

Appositional growth

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15
Q

True or False: Appositional growth involves the deposition of new bone tissue on the surface of existing bone.

A

True

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16
Q

Fill in the blank: The growth plate, also known as the ________, is responsible for longitudinal bone growth in children.

A

Epiphyseal plate

17
Q

What is the term for the process of bone tissue remodeling in response to mechanical stress or injury?

A

Bone remodeling

18
Q

True or False: Bone remodeling involves the removal of old bone tissue by osteoclasts followed by the deposition of new bone tissue by osteoblasts.

A

True

19
Q

What are the two main types of bone tissue found in the human body?

A

Compact bone and spongy bone

20
Q

Which type of bone tissue is dense and forms the outer layer of bones, providing strength and protection?

A

Compact bone

21
Q

Fill in the blank: Spongy bone consists of ________ that are filled with red or yellow bone marrow.

A

Trabeculae

22
Q

True or False: Spongy bone is lighter and less dense than compact bone.

A

True

23
Q

What is the term for the process of converting cartilage to bone?

A

Ossification