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Musculoskeletal Anatomy > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

Connective tissue cells have a common __________ origin.

A

Embryonic

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2
Q

Mesoderm forms __________ cells

A

Mesenchymal

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3
Q

What 4 things do undifferentiated mesenchymal stem cells specialize and become?

A

Fibroblasts
Tenoblast
Chondroblast
Osteoblast

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4
Q

Fibroblast

A

Fibrocyte ligament

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5
Q

Tenoblast

A

Tenocyte tendon

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6
Q

Chondroblast

A

Chondrocyte cartilage

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7
Q

Osteoblast

A

Osteocyte bone

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8
Q

-blast

A

More metabolically active; CREATE Extracellular matrix

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9
Q

-cyte

A

Mature cell that MAINTAINS Extracellular matrix

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10
Q

Connective Tissue is made up of ______ + ____________ ______

A

Cells (**-blast or **-cyte) + Extracellular matrix (ECM)

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11
Q

What does the Extracellular Matrix (ECM) do?

A

Plays important role; determines tissue function

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12
Q

What are the 2 types of ECM?

A

Fibrillar
Interfibrillar

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13
Q

Fibrillar

A

Structural proteins

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14
Q

Interfibrillar

A

Gel-like ground substance

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15
Q

Fibrillar component: all connective tissues contain ________ _______.

A

Protein fibers

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16
Q

Name the 3 types of protein fibers

A

Collagen
Elastic
Reticular

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17
Q

Collagen (3 characteristics)

A

Made from collagen in tri-helical structure
Well organized
Resists tensile loads (very little stretch)

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18
Q

Elastic protein fiber (4 characteristics)

A

Made from elastin proteins
Ability to stretch
Develops tension
Returns to original length

19
Q

Reticular protein fibers (2 characteristics)

A

Made from collagen fibrils (small fibers)
Poorly organized

20
Q

Interfibrillar component is AKA

A

Ground substance

21
Q

What does Interfibrillar component contain?

A

Proteoglycans

22
Q

What are proteoglycans?

A

Protein core with glycosaminoglycans (GAGS) - “bottle brush”: attracts water

23
Q

What are the 4 types of Connective Tissue?

A

Bone
Fibrous
Cartilage
Blood
(BBCF)

24
Q

What are the types of Fibrous Connective tissue?

A

Dense and Loose

25
Q

What are the types of Dense Fibrous Connective Tissue

A

Regular
Elastic
Irregular
(REI)

26
Q

What are the types of Loose Fibrous Connective Tissue?

A

Areolar
Adipose
Reticular
(AAR)

27
Q

Draw the Tissue Tree

A

*Draw Tree

28
Q

What are the 3 types of cartilage?

A

Hyalin
Elastic cartilage
Fibrocartilage
(HEF)

29
Q

Hyalin is also called what?

A

Articular cartilage

30
Q

Which type of cartilage is an embryonic precursor to bone?

A

Hyalin

31
Q

Which cartilage is the strongest?

A

Hyalin (40% collagen, 60% gel - proteoglycan)

32
Q

Which cartilage is mostly collagen?

A

Fibrocartilage (70% collagen)

33
Q

Which cartilage is mostly elastin?

A

Elastic cartilage

34
Q

Where can elastic cartilage be found?

A

Epiglottis and outer ears

35
Q

What type of cartilage is NOT found in joints?

A

Elastic cartilage

36
Q

What are the 4 types of Connective Tissue?

A

Bone
Blood
Cartilage
Fibrous
(BBCF)

37
Q

Bone is composed of what 2 type of materials?

A

Organic and inorganic

38
Q

What type of organic materials make up bone? (3)

A

Cells
Collagen fibers
Gel substance made from proteoglycans

39
Q

What type of inorganic material make up bone?

A

Mineral salts: hydroxyapatite crystals

40
Q

What does blood consist of?

A

Cells
Extracellular fluid matrix (plasma)
Fibers (albumin)

41
Q

What does blood consist of?

A

Cells
Extracellular fluid matrix (plasma)
Fibers (albumin)

42
Q

Which of the 4 connective tissues is NOT a typical connective tissue?

A

Blood

43
Q

T/F: Blood DOES connect or support other tissues.

A

False; it does not

Musculoskeletal Anatomy (25 decks)

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