Tissue Flashcards

(31 cards)

1
Q

What are the two types of epithelial tissue

A

Epithelial sheets, glands

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2
Q

What is the Epithelial sheet’s purpose

A

act as covering for the body structures

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3
Q

What is the epithelial glad’s purpose

A

produce secretions

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4
Q

epithelial sheet are classified by…

A

Their number of cell layers and cell shapes

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5
Q

How many cell layers does simple epithelium have?

A

one cell layer

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6
Q

What does the one cell layer of simple epithelium facilitate?

A

absorption and filtration

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7
Q

what is connective tissue composed of?

A

Extracellular matrix of amorphous ground substance and collagen, elastic or reticular fibers.

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8
Q

what are the classifications of connective tissue?

A

Loose- areolar, a dispose, and reticular tissue
Dense-dense regular and dense irregular tissues

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9
Q

What part of the body are part of the connective tissue?

A

Tendons and ligaments, bone, cartilage.

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10
Q

What are tendons made up of?

A

dense regular tissues

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11
Q

two atypical connective tissues

A

blood and lymph

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12
Q

What is loose connective tissue characterized by?

A

loosely arranged fibers and abundant ground substance.

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13
Q

Loose connective structure allows what?

A

To cushion and protect body organs

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14
Q

areolar tissue is made up by what?

A

Loosely arranged collagen, elastic, and reticular fibers; scattered fibroblasts, macrophages, cells, blood vessels and interstitial fluid-filled spaces

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15
Q

where is the areolar tissue located in the body?

A

papillary layer of the dermis

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16
Q

How does loose connective tissue support the body?

A

Supports the epithelium, cushions organs, forms the lamina propria of mucous membranes and surrounds blood vessels and nerves.

17
Q

dense regular connective tissue is made up of what?

A

A matrix with collagen and elastic fibers, little ground substance, and fefw cells, most of which are fibroblasts.

18
Q

dense regular connective tissues supports what part of the body?

A

skeletal system

19
Q

what attaches the skeletal muscle to the bone?

20
Q

what attaches bone to bone

21
Q

Why is bone harder and more rigid than cartilige?

A

More collagen fibers and calcium salts

22
Q

where are osteocytes and chondrocytes located?

23
Q

Is bone vascular or avascular?

A

bone is vascular, cartilage is avascular

24
Q

What does the lacunae structure do?

A

provide levers for muscle actions;store calcium, other minerals, and fat; and synthesize blood cells in the marrow.

25
what are bones composed of?
An exterior layer of compact bone tissue that surrounds the internal spongy bone tissue
26
compact bone tissue consists of structural units called
osteons, which are arranged in a way that allows them to resist torque
27
what is cartilage formed by?
Chondroblasts with firmly bound collagen fibers and some elastic fibers
28
What do chondroblasts with firmly bound collagen fibers and some elastic fibers do for cartilage?
give strength and flexibility to withstand tension and compression.
29
Hyaline Cartilige forms what?
Embryonic skeleton, as well as the costal cartilages that connect the ribs to the sternum, articular cartilage that covers the ends of long bones and absorbs compression at joints and the cartilages that support the nose, trachea, and larynx
30
blood and lymph are what kind of connective tissues?
Atypical
31