Chapter 7: Structural Organization in Animals Flashcards

(54 cards)

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
What is the function of the connective tisue?
their special function is liking and supporting other tissue
26
Which connective tissue does not have any fibres?
blood
27
What are the connective tissue present in the conenctive tissue?
elastin and collagen
28
What are the three types of connective tissue?
loose connective tissue dense connective tissue specialized connective tissue
29
What is the charecteristc feature of loose connective tissue?
they have semi fluid ground structure and cells and fibres loosely arranged
30
What is the function of the areolar tissue?
it serves as the framework of the epithelium
31
What are the cells mainly present in the areolar tissue?
fibroblast mast cells macrophage
32
What is hte function of the adipose tissue?
they store food and the excess nutrients
33
How are the fibers of the dense connective tissue arranged?
rows or bundles of collagen fibres
34
Give some exampels of dense connective tissue?
tendon and ligament
35
How are the fibres in the dense irregular connective tissue arranged?
they are not stored in a regular manner
36
Give soem examples of dense irregular connective tissue?
skin
37
What are the two types of specialized connective tissue?
blood , bones
38
Describe hte structure of the matrix of cartilage?
solid pliable resists compression
39
Where is cartilage present in the human body?
tip of nose outer ear joint between adjacent bones of vertebral column limbs and hands in adults
40
What substance gives the bone its hard structure ?
calcium salts and collagen fibres
41
Where are the bone cells present in the bone ?
lacunae
42
Which is the specialized fluid connective tissue ?
blood
43
What are the four compoents of hte cells present in the blood?
RBC WBC plasma platelets
44
What are the muscle fibre composed of ?
myofibrils
45
What are the three types of the muscle fibres ?
skeletal muscles cardiac muscles smooth muscle
46
What type of tissue encloses a bundle of the muscle ifbre ?
s sheath of tough connective tissue
47
Are the smooth muscles bundled ?
no
48
Are the skeletal muscle bundled?
yes
49
What is responsible for holding the smooth muscles together ?
cell junctions
50
How are the cardiac muscles attached to each other in a cardiac muscle?
the cell membrane are attached
51
What are the commmunication junction in a cardiac muscle ?
intercalated discs
52
What is the function of the neuro glail cells ?
they protect and supports the neurons
53
What is the meaning of morphology?
teh study of external visible features
54
What is the meaning of anatomy?
the morphology of internal structures