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Anatomy > Connective tissue > Flashcards

Connective tissue Flashcards

1
Q

connective tissue makes up every organ of the body —true or false

A

true

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2
Q

functions of connective tissue

A
  1. enclose organs
  2. connect tissues to one another
    3.suport and movement
  3. storage
  4. cushion/ insulate
  5. transport
  6. protect
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3
Q

three major components of extracellular matrix

A
  1. ground substance
  2. proteins fibers
  3. fluid
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4
Q

protein fibers of extracellular matrix

A
  1. collagen
  2. Reticular
  3. Elastic
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5
Q

collagen

A

most common protein in body
strong and flexible and inelastic
rope like

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6
Q

reticular

A

fill spaces between tissues and organs
form a network
fine collageneous

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7
Q

elastic

A

returns to original shape after distention or compression
contains molecules of protien elastin that resemble coiled spring and are cross linked

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8
Q

molecules of ground substance of matrix

A
  1. hylaranoic acid
  2. proteoglycans
  3. adhesive molecules
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9
Q

hylaranoic acid (of ground substances)

A

pollysaccharide
good lubrication
virtous of eye

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10
Q

proteoglycans (of ground substances)

A

protien and polysachharide
protein part attaches to hylaranic acid
traps water

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11
Q

adhesive molecules of ground substance

A

hold proteoglycan aggregates together
suffex is nectin (ie chondronectin in chartalige)

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12
Q

Classifications of connective tissue:
connective tissue proper

A

loose
dense

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13
Q

Clasification of CT:
Supportive

A

cartilage and bone

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14
Q

Classification of CT:
fluid

A

blood and hemoptyic fluid

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15
Q

loose connective tissue properties

A

fewer fibers, more ground substance

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16
Q

types of loose connective tissue

A

areolar, adipose, reticular

17
Q

dense connective tissue properties

A

more fibers, less ground substance

18
Q

areolar connective tissue properties

A

loose packing or “stroma”
lies underneath skin and other tissues
contains all three proteins of extracellular matrix
contains lymphocytes, macrophages, adiposyte, fibroblasts, mast cells

19
Q

areolar connective tissue structure

A

cells within fine network of mainly collagen fibers
often merges with dense connective tissue

20
Q

adipose tissue

A

mainly adipocytes

21
Q

yellow adipose tissue

A

most abundant kind
scant ring of cytoplasm with large lipid droplet
nuclei flattened
white at birth than become yelloe

22
Q

brown adipose tissue

A

found in neck, axila and kidneys
nuclei around, multiple adipose polygonal in shape and lots of cytoplasm

23
Q

adipose function

A

insulator, protector, and site of energy storage

24
Q

reticular tissue

A

forms supersturcutre of lymph and hemopoietic tissue
network of fine reticular fibers and cells
spaces between cells contain white cells and dendrite cells

25
Q

dense regular collagenous tisssue

A

abundant COLLAGEN fibers that resist stretching
tendons and ligaments

26
Q

tendons

A

connect muscle to bone
fibers not necessarily parallel

27
Q

ligaments

A

connect bone to bone
fibers less compact and usually form flattened sheets or bands

28
Q

dense regular elastic tissue

A

composed of collagen and elastic fibers
ABLE to stretch and recoil
found in vocal cords and NUCHAL ligament

29
Q

dense IRREGULAR COLLAGENOUS tissue

A

collagen fibers randomly arranged network
forms innermost layer of dermis of skin, scars, capsule of kidneys and spleen

30
Q

dense irregular ELASTIC tissue

A

bundles and sheaths of collagenous and elastic fibers in multiple directions
capable of stretch in many different directions
elastic arteries

31
Q

lacunae

A

matrix surrounded space that house chondrocytes

32
Q

perichondrium

A

dense irregular connective tissue that surround all cartilage and secrete cartilage cells

33
Q

hyaline cartilage

A

large amounts of collagen fiber distributed in proteglayn matrix
matrix appears transparent
forms most of skeleton
involved in bone growth–long bones
found in areas for strong support and some flexibility

34
Q

fibrocartiliage

A

thick collagen fibers in proteclayn matrix
slightly compressible and tough
found in areas under great pressure like joints
–knee, jaw, in bewtween vertebrae

35
Q

elastic cartilage

A

collagen AND ELASTIC fibers embeded in proeclayn matrix
rigid but elastic properties
external ears and epilgotis

36
Q

Bone

A

spongy and compact
osteoycetes in luncae
organic and inorganic

37
Q

compact bone

A

arranged in concentric circles like tree ring around a central canal that contains a blood vessel
found on periphery of bones

38
Q

fluid connnective tissue properites

A

matrix is liquid and lacks fibers
matrix is formed by other tissues
moves through vessels but both fluid and cells caxn move in and out of vessels

38
Q

fluid connnective tissue properites

A

matrix is liquid and lacks fibers
matrix is formed by other tissues
moves through vessels but both fluid and cells caxn move in and out of vessels

Anatomy (90 decks)

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