Lab 2 - Connective Tissue Flashcards

1
Q
A

Collagen fiber (zoomed out)

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2
Q
A

Collagen fiber (single fiber)

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3
Q

What is the structure that is stained red and what is the structure that is stained yellow?

A

red: elastin fibers
yellow: collagen fibers

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4
Q
A

elastic fiber

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5
Q
A

Reticular fibers which make up reticular connective tissue

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6
Q
A

Reticular fibers (black lines)

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7
Q
A

Loose connective tissue

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8
Q
A

Dense irregular connective

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9
Q

What is located at the circles? What is the inside of the villi?

A

circles: dense irregular
other: loose connective

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10
Q
A

dense regular

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11
Q
A

dense regular (zoomed)

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12
Q
A

Adipose tissue

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13
Q
A

hyaline cartilage

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14
Q
A

hyaline cartilage

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15
Q
A

elastic cartilage

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16
Q

Can you tell what this is and with this stain can you differentiate b/w other similar tissues?

A

this is elastic cartilage, but looks almost identical in H&E - Verhoeff’s stain is needed to differentiate

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17
Q
A

Fibro-cartilage

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18
Q
A

Fibro-cartilage (zoomed out)

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19
Q

What is the structure indicated by the green circles?

A

perichondrium

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20
Q

What is the structure indicated by the yellow circle?

A

perichondrium

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21
Q

What cell type is in the yellow circles?

A

chondroblasts

22
Q

What cell type is in the black circles?

A

chondroblasts

23
Q

What cell type is in the yellow circles?

A

chondrocytes

23
Q

What cell type is in the black circles?

A

chondrocytes (mature cells)

23
Q

What cell type is at the yellow circle?

A

osteoprogenitor cells

23
Q

What cell type is at the yellow circle?

A

osteoblasts

24
Q

What cell type is at the yellow circle?

A

osteocytes

25
Q

What cell type is at the yellow circle?

A

osteocytes

26
Q

What cell type is at the yellow circle?

A

osteocytes

27
Q

What cell type is at the yellow circle?

A

osteoclasts

28
Q

What cell type is at the yellow circle?

A

osteoclasts

29
Q

What process is happening here and where does it occur?

A

intramembranous ossification - flat bones

30
Q

What structure is in the yellow circle?

A

spicules

31
Q

What process is happening here and where does it occur

A

endochondral ossification - long bones

32
Q

What zone of the epiphyseal plate is seen here?

A

RESTING ZONE (the zone where hyaline cartilage is untouched)

33
Q

What zone of the epiphyseal plate is seen here?

A

ZONE OF PROLIFERATION (chondrocytes begin to proliferate rapidly in long stacks)

34
Q

What zone of the epiphyseal plate is seen here?

A

ZONE OF HYPERTROPHY (chondrocytes begin growing rapidly - calcification has not yet occurred)

35
Q

What zone of the epiphyseal plate is seen here?

A

ZONE OF CALCIFICATION (osteoblasts and osteocytes begin to invade the cartilage and calcification begins)

36
Q

What zone of the epiphyseal plate is seen here?

A

ZONE OF RESORPTION (bone mods occurs here)

37
Q

What structure is located at the arrow?

A

Haversian canal

38
Q

What structure is located inside the black circles?

A

Haverisan canal

39
Q

What structure is located inside the yellow circle?

A

osteon

40
Q

What structure is located inside the yellow circle?

A

osteon

41
Q

What structure is located inside the yellow circle?

A

Volkmann’s canal

42
Q

What do the blue lines indicate?

A

lamellae (concentric rings)

43
Q

What do the yellow lines indicate?

A

lamellae

44
Q

What is the white structure at the end of the yellow arrow?

A

lacunae

45
Q

What is the white structure at the end of the yellow arrow?

A

lacunae

46
Q

What are the line structures at the tip of the blue arrows?

A

canaliculi

47
Q
A
48
Q
A