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LFS103 > Week 6 Lecture: The Tissue Level Of Organisation > Flashcards

Week 6 Lecture: The Tissue Level Of Organisation Flashcards

0
Q

What are the four basic types of tissue?

A

Epithelial tissue, connective tissue, muscle tissue, neural tissue.

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1
Q

What is a tissue?

A

A tissue is a group of cells that are similar in structure and perform common or related function.

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2
Q

What is epithelia?

A

Layers of cells covering internal and external structures.

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3
Q

What are glands?

A

Secreting cells derived from epithelia.

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4
Q

What are the functions of epithelial tissue?

A

Covering, lining, protection, absorption, filtration, excretion, secretion, sensory reception, glandular epithelia.

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5
Q

What are the general features of epithelial tissue?

A

Closely packed cells, intracellular connections, cell polarity, apical and basolateral surfaces, basement movement, avascular, microvilli and cilia, nervous supply, highly mitotic.

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6
Q

What are the epithelial cell surface?

A

Cilia, microvilli, apical surface, Golgi apparatus, nucleus, basal iamina, mitochondria, basolateral surfaces.

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7
Q

What are the intercellular connections?

A

Microvilli and cilia.

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8
Q

What are the layers of epithelia tissue?

A

Simple and squamous.

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9
Q

What are the examples of cell shape?

A

Squamous, cubudial, columnar

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10
Q

What is glandular epithelial tissue?

A

Gland cells for specialised secretions.

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11
Q

What are exocrine glands like?

A

Secreted onto epithelial surface. Unicellular or multicellular.

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12
Q

What are endocrine glands?

A

Ductless secreted into the blood.

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13
Q

3 basic components of connective tissue?

A

Specialised cells, extracellular protein fibres, a fluid called ground substance

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14
Q

What accounts for most of the volume of connective tissues?

A

The matrix.

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15
Q

Are connective tissue vascular?

A

Highly

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16
Q

What does connective tissue contain?

A

Sensory receptors.

17
Q

What are the functions of connective tissue?

A

Structural frawmework, transport (fluid, dissolved material), protecting delicate organs, supporting, surrounding and interconnecting other types of tissue, storing energy reserves, defending the body from invading organisms.

18
Q

What are the classification of connective tissue?

A

Connective tissue proper, fluid connective tissue and supporting connecting tissue.

19
Q

What are the features of connective tissue proper?

A

Extracellular fibres, viscous ground substance, loose connective and dense connective tissue, varied cell types

20
Q

What are types of extracellular fibres,

A

Collagen, reticulum and elastic

21
Q

What is the role of loose connective tissue?

A

Packing materials of the body. They fill spaces between organs, cushion and stabilize specialised cells in many organs and support epithelia.

22
Q

What are examples of loose connective tissue?

A

Adipose tissue, areolar tissue, reticular tissue

23
Q

What do dense connective tissues contain?

A

Many fibres

24
Q

What are examples of dense connective tissue?

A

Dense regular connective tissue, dense irregular connective tissue, elastic tissue

25
Q

What are examples of fluid connective tissue?

A

Blood and lymph

26
Q

What are examples of the cells in blood?

A

RBC , WBC and platelets.

27
Q

What is the matrix like with cartridge?

A

Firm gel

28
Q

What does cartilage contain(

A

Chondrocytes that are only cells that occupy small chambers called lacunae, is a vascular

29
Q

What are the three types of cartilage?

A

Hyaline, elastic and fibrocartilage.

30
Q

What is bone like?

A

Volume of ground substance is very small, has hard calcified matrix and has lacunae in the matrix, contains many blood vessels

31
Q

What is muscle tissue?

A

It produces movement through contractions

32
Q

3 types of muscle tissue?

A

Skeletal muscle, cardiac muscle, smooth muscle

33
Q

What is cardiac muscle?

A

Non striated, involuntary muscle

34
Q

What is skeletal muscle?

A

Striated voluntary muscle

35
Q

What is smooth muscle?

A

Striated involuntary muscle.

36
Q

What is the role of neural tissue?

A

Conduct electrical impulses around the body

37
Q

Where is 98% of neural tissue?

A

Brain and spinal cord

38
Q

What are the longest cells in the body?

A

Neural

39
Q

What are neural tissue like,

A

Long body with dendrites and one axon

LFS103 (9 decks)

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