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Bio > Bio Lab Practical 1 > Flashcards

Bio Lab Practical 1 Flashcards

1
Q

Epithelial tissue/epithelium

A

Forms boundaries between different environments, protects, secretes, absorbs, filters

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2
Q

Where is epithelium tissue found

A

Letting the digestive track organs and other hollow organs also on the skin surface

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3
Q

What is simple epithelial tissue

A

Single cell layer

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4
Q

What is stratified epithelium tissue

A

Composed of two or more cell layers stacked on top of each other

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5
Q

Where is simple epithelial tissue found

A

Where absorption, secretion, infiltration occur and Thin epithelial barrier is desirable

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6
Q

Where is stratified epithelial found

A

Are common in high abrasion areas where protection is important, such as the skin surface in the lining of the mouth

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7
Q

What are squamous cells

A

Flatten and scale like

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8
Q

What are cuboidal cells

A

Box like approximately as tall as they are wide

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9
Q

What are columnar cells

A

Tall and column shaped

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10
Q

What are simple squamous epithelium

A

Single layer of flattened cells with the disc shaped center nuclei and sparse cytoplasm

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11
Q

Are the simplest of the epithelial

A

Simple squamous epithelium

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12
Q

What is the function of the simple squamous epithelium

A

Allows materials to pass by diffusion infiltration insights were protection is not important.

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13
Q

What does the simple Squam us epithelium secrete

A

Lubricating substances in serosae

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14
Q

Where are simple Squam us epithelium found

A

Kidney, air sacs of lungs, lining of heart, blood vessels, lymphatic vessels and lining of ventral body cavity

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15
Q

What does simple squamous epithelium tissue look like under a microscope

A

Stringing and thin, May form air sacs

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16
Q

What is the simple cuboidal epithelium

A

Layer of cute like cells with large vehicle central nuclei

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17
Q

What is the function of simple cuboidal epithelium

A

To secrete and absorb

18
Q

Where are simple cuboidal epithelium found

A

Kidney tubules, ducks and secretory portions of small glands and ovary surface

19
Q

What do you simple cuboidal epithelium cells look like

A

Round, clustered, somewhat like fat/oil

in water

20
Q

what are simple columnar epithelium

A

Single layer of tall cells with round to oval nuclei. Some cells have microvilli and cilia, layer may contain mucus secreting unicellular glands

21
Q

What are mucus secreting unicellular glands

A

Goblet cells

22
Q

What do you goblet cells contain

A

Mucus

23
Q

What is the function of simple columnar epithelium

A

Absorb, secretion of mucus, enzymes, and other substances. The ciliated type propels mucus or reproductive cells.

24
Q

Where are nonciliated simple columnar epithelium located

A

Non-ciliated types line most of the digestive trac, gallbladder and excretory ducts of some glands.

25
Q

Where are ciliated simple Columnar epithelium located

A

Ciliated tape line the small bronchi, uterine tubes, and some regions of the uterus

26
Q

What our pseudostratified Columnar epithelium

A

They are a single layer of cells with differing Heights, some not reaching the free service. Nuclei are seen at different levels and may contain mucus secreting cells and bear cells.

27
Q

What is the function of pseudostratified columnar epithelium

A

Secrete substances, particularly mucus

28
Q

Where are non-ciliated pseudostratified Columnar epithelium located.

A

The nonciliated type in males are found in sperm caring ducts and ducts of large glands

29
Q

Where are the ciliated pseudostratified Columnar epithelium cells found

A

The ciliated type lines the trachea and most of the upper respiratory tract

30
Q

What are stratified squamous epithelium tissue

A

They have a thick membrane composed of several cell layers, basal cells are cuboidal or Columnar in metabolically active surface cells are flattened (squamous)

31
Q

What is the function of stratified squamous epithelium

A

To protect underlying tissues in area subject to abrasion

32
Q

Where is non-keratinized type of stratified squamous epithelium found

A

Forms the moist lining of the esophagus, mouth, and vagina

33
Q

Where is the keratinized stratified squamous epithelium found

A

Forms the epidermis of the skin and dry membrane

34
Q

What is transitional epithelium

A

Resembles the stratified squall mess in stratified cuboidal may have basal cells cuboidal or columnar. he differentiator is that the surface cells don’t shape or squamous like depending on the degree of Organ stretch

35
Q

What is the function of transitional epithelium

A

Stretches easily, permits stored urine to distend urinary organs

36
Q

Where is transitional epithelium found

A

Lines the ureters, bladder and part of the urethra

37
Q

What is connective tissue

A

Supports

38
Q

Muscle tissue

A

Produces movement

39
Q

Nervous tissue you

A

Controls

40
Q

Connective tissue proper is made up of

A 
Loose CT areolar 
Loose CT adipose 
Loose CT reticular 
Dense CT regular
Dense CT irregular 
Dense CT elastic
41
Q

CT proper: loose connective tissue, areolar is made up of

A

A gel like matrix. With three fiber types cells, fibroblasts, macrophages, mast cells and some white blood cells

42
Q

CT proper: loose connective tissue, areolar function

A

wraps and cushions organs, macrophages help with inflammation

Bio (22 decks)

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