Connective Tissue Flashcards

1
Q

What is connective tissue?

A

Most abundant tissue type, bind, support, protect, framework, fill, store fat, produce blood cells, repair tissue damage

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2
Q

What are the proper connective tissue types?

A

Loose connective tissue, adipose tissue, reticular connective tissue, dense connective tissue, elastic connective tissue.

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3
Q

What are the specialized connective tissue types?

A

Cartilage, bone, blood

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4
Q

What major cell types are in connective tissue?

A

Fibroblasts, Macrophages, Mast cells.

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5
Q

What are fibroblasts?

A

Fixed cell, most common, large star-shaped, fiber producing

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6
Q

What are macrophages?

A

Wandering cell, phagocytic, important in injury/infection

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7
Q

What are mast cells?

A

Wandering cell, release histamine and heparin

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8
Q

What fibers types are in connective tissue?

A

collagenous fibers, elastic fibers, reticular fibers.

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9
Q

What are collagenous fibers?

A

Thick collagen fibers with high tensile strength that hold structures together in ligaments and tendons

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10
Q

What are elastic fibers?`

A

Bundles of microfibers embedded in elastin, branching fibers, vocal cords and air passages.

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11
Q

What are reticular fibers?

A

thin collagenous fibers, highly branches, supportive networks, organ walls

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12
Q

What is loose connective tissue?

A

mainly fibroblasts, fluid to gel matrix, collagenous and elastic fibers, attaches structures and is beneath epithelia.

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13
Q

What is adipose tissue?

A

made of adipocytes, cushions, insulates, stores fat, skin eyeballs, and kidges/heart.

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14
Q

What is dense connective tissue?

A

Packed collagenous fibers, elastic, few fibroblasts, bind together body- tendons, ligaments, dermis, poor blood supply.

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15
Q

What is the difference between regular and irregular dense connective tissue?

A

Regular dense connective tissue only supports well in one direction.

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16
Q

What is cartilage?

A

Rigid matrix, chondrocytes in lacunae, poor blood supply

17
Q

What are chondrocytes?

A

cells found in cartilage, maintain the matrix

18
Q

What is lacunae?

A

unfilled space, cavity or depression

19
Q

What are the three types of cartilage?

A

Hyaline, Elastic, Fibrocartilage

20
Q

What is hyaline cartilage?

A

Most abundant, ends of bones, nose and respiratory tract, embryonic skeleton

21
Q

What is elastic cartilage?

A

flexible, external ear, larynx

22
Q

What is fibrocartilage?

A

very tough, shock absorber, discs, knee and pelvic girdle

23
Q

What does bone (osseous tissue) do?

A

Solid matrix, supports and protects, forms blood cells, attachment for muscles, skeleton osteocytes in lacunae

24
Q

What does blood do?

A

fluid matrix(plasma), red and white blood cells, platelets, transportation, defense and clotting, throughout body, heart

25
What are the three types of muscles?
Skeletal, smooth, cardiac
26
What is skeletal muscle?
attached to bone, striated, voluntary
27
What is smooth muscle?
walls of organs, skin, and blood vessels, involuntary, non-striated, uninucleated
28
What is cardiac muscle?
heart wall, involuntary, striated, connected to eachother by intercalated discs, uninucleated
29
What is nervous tissue?
brain, spinal cord, PNS, functional cells are neurons, neuroglia supports and binds nervous components, sensory reception, conduction of nerve impulses