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Zoology > Structural Organisation In Animals( Animal Tissue ) > Flashcards

Structural Organisation In Animals( Animal Tissue ) Flashcards

1
Q

Who introduced the term epithelium

A

Ruysch

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2
Q

What is the basal lamina composed of

A

Mucopolysaccharides and glycoproteins, but decreased by epithelial tissue.

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3
Q

What is the fibrous or reticular lamina composed of

A

Collagen or recticular fibres of the underlying connective tissue.

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4
Q

What is the function of simple epithelium tissue

A

As lining for body cavities, ducts and tubes

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5
Q

Squamous epithelium is also known as

A

Pavement epithelium

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6
Q

Where are the simple squamous tissue located

A 
In the walls of blood vessels 
Air sacs or alveoli
Lymph vessels
Wall of bowman's capsule 
Loop of Henri of nephron,
Coelomic cavities etc
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7
Q

What are the functions done by simple squamous tissue

A

Filtration in bowman’s capsule

Exchange of materials between blood capillaries and tissue fluid

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8
Q

What is the use of microvilli as brush in tissues

A

It increases the surface area to several times

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9
Q

Where is cuboidal squamous tissue located

A

Tubular parts of nephron
Ducts of glands
Thyroid follicles
Ovaries and testes( germinal epithelium)

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10
Q

Where is brush bordered cuboidal epithelium present

A

On the proximal convoluted tubule (PCT)of nephron in kidney.

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11
Q

Functions of cuboidal epithelium

A

Reabsorbtion and secretion

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12
Q

Where is the nuclei of columnar epithelium situvated

A

It is near the base of the cells

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13
Q

The cells which produces mucus in columnar tissue

A

Goblet tissue

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14
Q

The epithelium containing mucus secreting cells, along with underlying supporting connective tissue is called

A

Mucosa ,or Mucous membrane

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15
Q

Compound epithelium is also known as

A

Stratified epithelium

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16
Q

Compound epithelium is classified into

A

Keratinised and non keratinised squamous tissue

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17
Q

Speciality of keratin

A

It is water proof

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18
Q

Where is keratinised squamous tissue is located

A

Dry surfaces

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19
Q

Where is non keratinised squamous tissue located

A

Wet surfaces like mouth , buccal cavity, cheek epithelium etc

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20
Q

The transitional epithelium is resting

A

Fluid matrix

21
Q

Speciality of plastic epithelium

A

Stretchable

22
Q

Where is the transitional epithelium located

A

Renal pelvis , ureter , urinary bladder etc..

23
Q

Gap junction is also known as

A

Communication junction

24
Q

Function of gap junction

A

Allows transport of materials between cells

25
Q

Function of the interdigitated cell junction

A

Attach adjacent cells together

26
Q

Function of tight junction

A

Check the leakage of cytoplasm

27
Q

Function of adhering junction

A

Adherence of two cells with the help of cementing substances

28
Q

Example of adhering junction

A

Protein plaque

29
Q

Classification of adhering junction

A

Zonula adherence
Macula adherence
Hemi desmosome

30
Q

In hemi desmosome the plaque is located

A

At the base of the cell

31
Q

A cell/tissue / organ with secretary function is known as

A

A gland

32
Q

Type of cells in glandular epithelium

A

Cuboidal or columnar cells

33
Q

Example for unicellular gland

A

Goblet/ chalice/ mucocyte ,secrete mucus

34
Q

A multicellular gland

A

Salivary gland , sebaceous gland , sweat gland etc.

35
Q

Some heterocrine glands

A

Pancreas , gonads (ovary/testes)

36
Q

The most abundant connective tissue in our body

A

Areolar tissue

37
Q

Dense regular connective tissue

A

Tendons and ligaments

38
Q

Dense irregular connective tissue

A

Dermal skin

39
Q

Colour of collagen fibres

A

White fibre

40
Q

Elastin fibre colour

A

Yellow fibre

41
Q

Connective tissue whose matrix is solid

A

Bone and cartilage

42
Q

Fluid connective tissue

A

Blood and lymph

43
Q

Nerve fibres is also known as

A

Axons

44
Q

Out of 500 species of earth worm how many are found from India

A

13 species

45
Q

Name any common species of earth worm

A

Pheretima posthuma and lumbricus

46
Q

Earth worms can be traced by their faecal deposits known as

A

Worm Casting

47
Q

The different types of apertures in earthworm

A 
Mouth 
Anus
Spermathecal apertures
Female genital pores
Male genital pores
Nephridiopores
Dorsal pores
48
Q

The body wall of earth worm is made of

A

Cuticle
Epidermis
muscular layer
Coelomic cavity

49
Q

In earthworm,name the segment in which the mouth is present

A

Peristomium

Zoology (3 decks)

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