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ANAT 261 > Lab 3: connective tissue > Flashcards

Lab 3: connective tissue Flashcards

1
Q

T or F: connective tissue is the least abundant tissue

A

FALSEEEE
its the most abundant tissue

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2
Q

what does connective tissue act as

A

structural framework for other types of tissues

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3
Q

name the 4 types of connective tissue

A

connective tissue proper
cartilage
bone
blood

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4
Q

name the 6 functions of connective tissue

A

connect body parts
support
protection
insulation
storage - adipose cells
transport - think of blood vessels

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5
Q

what types of connective tissue are we identifying

A

dense vs loose
regular vs irregular

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6
Q

where is connective tissue of skin mainly found

A

dermis and hypodermis

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7
Q

name the components and characteristics of cartilage (first name types -3 and then components -3)

A

hyalin
elastic
articular

perichondrium
chondroblasts/chondrocytes
isogenic groups

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8
Q

name the classifications of connective tissues

A

dense vs loose (connective tissue proper)
regular (organized) vs irregular (unorganized)

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9
Q

name the 3 components of connective tissues

A

fibers
cells
ground substances

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10
Q

name the fibers (components of connective tissues)

A

collagen
reticular - collagen type III
elastin

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11
Q

name the cells (components of connective tissues)

A

fibroblasts/fibrocytes
adipose cells
macrophages
immunologic cells

*wont be asked to identify macrophages and immunological cells - and wont be asked to distinguish between fibrocytes/blasts

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12
Q

name the ground substances (components of connective tissues)

A

glycoproteins
proteoglycans

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13
Q

name the types of glycoproteins - ground substance of ct

A

fibronectin and laminin

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14
Q

name the types of proteoglycans - ground substance of ct

A

dermatan sulfate
chondroitin sulfate
keratan sulfate
heparan sulfate

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15
Q

what are glycoproteins

A

compounds consisting of oligosaccharides linked to proteins at the level of their side chains

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16
Q

what are proteoglycans

A

compounds consisting of a protein bounded to be a glycosaminoglycan (GAG) group

17
Q

what are glycosaminoglycans (GAGs)

A

repeating subunits of disaccharide units that are negatively charge
ex = hyaluronate

18
Q

what are tendons and ligaments

A

only form of dense regular connective tissue

19
Q

what is in tendons

A

fibrocytes
collagen fiber - type I

20
Q

describe the connective tissue of the hypodermis

A

specialized type of loose connective tissue
made of adipose cells

21
Q

name parts of dermis connective tissue

A

papillary layer
reticular layer

22
Q

describe papillary layer (dermis connective tissue) - 4

A

adjacent (deep) to epidermis
looser irregular CT
highly vascularized and innervated
collagen type I

23
Q

describe reticular layer (dermis connective tissue) - 3

A

denser irregular CT
more fibrous than papillary layer
collagen type I

24
Q

name the classifications of cartilage and a place where it would be found

A

elastic - ears
hyaline - trachea
articular - long bones

25
Q

what are the 4 properties of cartilage

A

collagen type II
avascular
hyaline cartilage is basophilic
covered by a perichondrium (dense irregular CT)

26
Q

name the 2 growth types of cartilage

A

appositional
interstitial

27
Q

name the cells/parts found in hyaline cartilage

A

ECM
chondroblast
chondrocyte (isogenic group)
perichondrium (dense irregular CT)
fibrocyte

28
Q

name the cells/parts found in elastic cartilage

A

lacuna
isogenic group
elastic fibers
chondrocyte

29
Q

describe articular cartilage

A

located at end of long bones
helps joints absorb/minimize friction
no perichondrium

30
Q

name the cells/parts found in articular cartilage

A

ECM
isogenic group
chondrocyte
no perichondrium

31
Q

what do fibrocytes look like

A

flattened dark nuclei
little to no cytoplasm visible

32
Q

describe appositional growth (of cartilage)

A

growth due to the perichondrium
chondroblasts secrete matrix and become trapped within it

33
Q

describe interstitial growth (of cartilage)

A

chondrocytes divide in their lacunae

34
Q

compare elastic cartilage to hyaline cartilage

A

elastic is similar to hyalin
but it has elastic fibers - can be seen in black with Verhoffs stain

35
Q

describe how articular cartilage helps joints

A

provides joint with minimal friction properties
absorbs mechanical shock due to the incompressibility of water bound to the proteoglycans of cartilage

ANAT 261 (27 decks)

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