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Gen Bio II (yr1sem2) > Lab 7 Tissues > Flashcards

Lab 7 Tissues Flashcards

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Biology 101 flashcards
1
Q

epithelial tissue

A
  • protect tissues underneath
  • selectively permeable membrane
  • sensory surface
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2
Q

simple epithelium

A

one layer
- squamous are irregular and flat. line lungs

cuboidal and columnar: cubes and columns. link GI tract and ducts. have cillia

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3
Q

stratified epithelium

A

multiple layers

- upper layer is squamous, middle is cuboidal and basal is columnar

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4
Q

glandular epithelium

A
  • highly modified epithelial cells.

- line liver, mammary glands, pancreas

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5
Q

pseudostratified

A

appear stratified but are simple based on arrangements

found in respiratory system

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6
Q

loose connective tissue

A

a mass of proteins that form a ground substance (ex. collagen, elastin, reticulin, macrophages, adipose tissue)

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7
Q

reticulin (LCT)

A

thin branch fibre that supports glands and junctions between tissues (Loose connective)

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8
Q

macrophage (LCT)

A

small round cells that are immune first response (loose connective)

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9
Q

adipose tissue (LCT)

A

contain fat. have nucleus but it is squished to the side

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10
Q

dense connective tissue

A

tightly packed collagen fibers, pretty strong

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11
Q

SPECIAL connective tissue

A

blood cells: plasma has the cells
cartilage
bone

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12
Q

erythrocytes

A

rbc

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13
Q

leukocytes

A

WBC

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14
Q

plateletes

A

bone marrow cells

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15
Q

cartilage

A

matrix of chondrin and collagen secreted by chondrocytes

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16
Q

chondrocytes

A

secrete chondrin for cartilage and reside in cavities called lacunae

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17
Q

bone

A

bone cells are osteocytes. form in concentric layers called lamellae. Haversian canals in the middle

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18
Q

haversial canals

A

surround blood vessels and nerve cells through bone and co,,tunicate through Canaliculi

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19
Q

muscle tissue

A

made of actin and myosin. bundles of these are called myofibrils

20
Q

types of muscle

A

skeletal. cardiac and smooth

21
Q

cardiac muscle

A

HAS INTERCALATED DISKS THAT ORGanize them into fibres

  • these form channels to have electrical signals to move
  • also branched (only type of muscle to have this)
  • has fewer nuclei than skeletal
22
Q

nervous tissue

A

contain neurons, and support cells called glial AKA Schwann cells

23
Q

neuron parts

A

cell body with nucleus, dendrites are extensions, axons carry nerve impulses to the axonal end to release neurotransmitters

24
Q

Basement membrane

A

a protein layer epithelial cells sit on

ALWAYS

25
Q

microvilli onto of columnar cell

A

stomach

26
Q

flagella onto of columnar cell

A

sperm

27
Q

fibroblasts

A

Loose and dense connective tissue consist of cells called fibroblasts that make connective tissue fibers

  • make collagen, elastin, reticulin
28
Q

lung tissue

A

looks empty but here, there are lots of alveoli that are lined by simple, squamous epithelium

29
Q

reticular tissue

A

very corky in elasticity

30
Q

Granulocytes

A

cAN see granules

Neutrophil, Eosinophil, Basophils

31
Q

Neutrophil

A

neutral staining, most numerous

32
Q

Eosinophil

A

usually rare unless there is an infection. acid staining, kills nematodes

33
Q

basophils

A

basic staining, turn into mast cells involved in inflammation

34
Q

Monocytes

A

macrophage. digest and engulf bacteria.

35
Q

Lymphocytes

A

make antibody, help macrophages, kill specific target cell

36
Q

Erythrocytes

A

red blood cells filled with hemoglobin

37
Q

Platelets

A

cell fragments used in clotting

38
Q

osteon

A

a circle of bone tissue

39
Q

hyaline cartilege

A

found in joints. most present in body

40
Q

elastic cartilege

A

found in ear and nose

41
Q

fibro cartilege

A

found in skull. strongest kinds of fibers

42
Q

smooth muscle

A

has tapered ends <0>

- one central nuclei

43
Q

skeletal muscle

A

has striations. lots of nuclei and mitochondria

44
Q

simple squamous epithelium

A

one layer, minimal barrier to diffusion, line lungs, kidneys and major cavities. associated with movement of minerals

45
Q

simple cuboidal and columnar epithelium

A

line respiratory and intestines, secrete fluid

Gen Bio II (yr1sem2) (18 decks)

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