Chapter 7: Structural Organization in Animals Flashcards

1
Q

What is tissue ?

A

a group of similar cells that can perform specific function is called

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2
Q

What are the four animal tissue?

A

1) Epithelial
2) Connective
3) Muscular
4) Neural

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3
Q

What are the two types of epithelial cells?

A

1) Simple

2) Compound (stratified)

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4
Q

What is the function of simple epithelium?

A

they are present in ducts , coeloms and tubes

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5
Q

What is the characteristic feature of compound epithelium?

A

they are multi layered

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6
Q

What are the types of simple epithelial tissue?

A

1) Simple Squamous
2) Simple Cuboidal
3) Simple columnar
4) Pseudopodia

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7
Q

What are the two types of compound epithelial tissue?

A

Stretchable

Non-Stretchable

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8
Q

What are the types of non stertchable epithelium?

A

1) Squamous
2) Cuboidal
3) Columnar

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9
Q

What are the features simple squamous epithelial tissue?

A

thin layered
flat
irregular

used for filtration and diffusion

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10
Q

Give some examples where simple epithelium is present?

A
intestine 
alveoli 
blood vessel( tunica intima)
endocardium
bowmans capsule 
loop of henle 
mesothelium
peritoneum
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11
Q

What are the features of simple cuboidal tissue (structues)

A

centrally located nucleus

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12
Q

What are the functions of simple cuboidal epthelium?

A

ducts of glands ,tubular parts of nephron

secretion and absorption

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13
Q

What is the structure of columnar epithelium?

A

it is single layered and tall and slender cell

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14
Q

Where is the nucleus of the columnar epithelium present?

A

it is present in the base of the epithelium

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15
Q

Where is ciliated columnar epithelium found ?

A

they are found in the bronchioles and fallopian tube

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16
Q

What are hte two types of glands on the basis of hte number of cells ?

A

unicellular cells

multicellular cells

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17
Q

Give some examples of substances that is secreted by the exocrine galnds?

A

mucus , saliva , ear wax , milk, digestive juices

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18
Q

What is the meaning of cimpound epithelium?

A

they have more than one layer of cells

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19
Q

Give some examples where compound epithelium is found?

A

buccal cavity , pharynx, inner lining of the salivary glands `

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20
Q

What are the three types of cell juncitons?

A

tight junciton
adhering junction ‘
gap junction
intedigitation

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21
Q

What is the function of tight junction ?

A

they stop form leaking of substances

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22
Q

What is the function of adhering junction ?

A

they cement neighbouring cells

23
Q

What is the function of gap junctions ?

A

they communicate with each other by connecting by the cytoplasm of adjacent cells

24
Q

Which is the most abundant tissue in the human body?

A

it is the connective tissue

25
Q

What is the function of the connective tisue?

A

their special function is liking and supporting other tissue

26
Q

Which connective tissue does not have any fibres?

A

blood

27
Q

What are the connective tissue present in the conenctive tissue?

A

elastin and collagen

28
Q

What are the three types of connective tissue?

A

loose connective tissue
dense connective tissue
specialized connective tissue

29
Q

What is the charecteristc feature of loose connective tissue?

A

they have semi fluid ground structure and cells and fibres loosely arranged

30
Q

What is the function of the areolar tissue?

A

it serves as the framework of the epithelium

31
Q

What are the cells mainly present in the areolar tissue?

A

fibroblast
mast cells
macrophage

32
Q

What is hte function of the adipose tissue?

A

they store food and the excess nutrients

33
Q

How are the fibers of the dense connective tissue arranged?

A

rows or bundles of collagen fibres

34
Q

Give some exampels of dense connective tissue?

A

tendon and ligament

35
Q

How are the fibres in the dense irregular connective tissue arranged?

A

they are not stored in a regular manner

36
Q

Give soem examples of dense irregular connective tissue?

A

skin

37
Q

What are the two types of specialized connective tissue?

A

blood , bones

38
Q

Describe hte structure of the matrix of cartilage?

A

solid
pliable
resists compression

39
Q

Where is cartilage present in the human body?

A

tip of nose
outer ear joint
between adjacent bones of vertebral column
limbs and hands in adults

40
Q

What substance gives the bone its hard structure ?

A

calcium salts and collagen fibres

41
Q

Where are the bone cells present in the bone ?

A

lacunae

42
Q

Which is the specialized fluid connective tissue ?

A

blood

43
Q

What are the four compoents of hte cells present in the blood?

A

RBC
WBC
plasma
platelets

44
Q

What are the muscle fibre composed of ?

A

myofibrils

45
Q

What are the three types of the muscle fibres ?

A

skeletal muscles
cardiac muscles
smooth muscle

46
Q

What type of tissue encloses a bundle of the muscle ifbre ?

A

s sheath of tough connective tissue

47
Q

Are the smooth muscles bundled ?

A

no

48
Q

Are the skeletal muscle bundled?

A

yes

49
Q

What is responsible for holding the smooth muscles together ?

A

cell junctions

50
Q

How are the cardiac muscles attached to each other in a cardiac muscle?

A

the cell membrane are attached

51
Q

What are the commmunication junction in a cardiac muscle ?

A

intercalated discs

52
Q

What is the function of the neuro glail cells ?

A

they protect and supports the neurons

53
Q

What is the meaning of morphology?

A

teh study of external visible features

54
Q

What is the meaning of anatomy?

A

the morphology of internal structures