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Biosci 107 > Tissues of the Body > Flashcards

Tissues of the Body Flashcards

1
Q

Epithelial Tissue function

A

Protects, limits diffusion, lines inside hollow organs

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2
Q

Tight junction

A

Electric ion bonds preventing substances passing through adjacent cell walls

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3
Q

Adherins junction

A

Plaque with Cadherin spanning across adjacent cell walls to link to its microfilaments via catenin - Prevent seperation during contractions

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4
Q

Gap Junction

A

6 protiens called connexons join to form tunnels called connexins for trasnfer of information between cell walls

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5
Q

desmosome

A

cadherin spans between cell walls and binds to intermediate filaments of other cell via desmoplankin - Prevent tearing forces

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6
Q

Hemidesmosome

A

Cadherin spans between basement membrane and cell for integrin to promote bonding between intermediate filaments and laminin

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7
Q

basement membrane components

A

basal laminina and reticular lamina

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8
Q

basal lamina function and components

A

supports epithelium and provide surface for cell movement - collagen and laminin

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9
Q

reticular lamina components

A

collagen and fibronectin

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10
Q

cytoskeleton function and components

A

provide structue - microfilaments (actin), Intermediate filaments (Keratin), microtubules (Tubelin)

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11
Q

Simple squamous epithelia

A

Thin for filtration - Kidneys
Diffusion - Lungs
Secretion - Serous membrane

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12
Q

Simple cuboidal epithelia

A

Secretion and absorption - Kindeys, pancreas, ducts and glands

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13
Q

Simple non ciliated columnar epithelia

A

Increase surface for absorption via microvili

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14
Q

Simple ciliated columnar epithelia

A

Assists movement of substances - Uterus and lungs

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15
Q

Goblet cells

A

Mucous filled singular ducts for lubrication

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16
Q

Stratified non keratinised squamous epithelia

A

protection against microbes - Mouth, throat, anus

17
Q

Stratified keratinised squamous epithelia

A

Skin cells - Dead cells are the keratin that rise to the surface

18
Q

Stratified cuboidal epithellia location

A

Found in adult sweat ducts and urethra

19
Q

Stratified columnar epithelia location

A

Ducts, glands, urethra

20
Q

Stratified transitional epithelia

A

Bladder

21
Q

Pseudostratified ciliated columnar

A

Goblet cells for lubrication and cilia for movement - Upper airways

22
Q

Pseudostratified non cilliated columnar epithelia

A

No goblet cells or cilia

Absorption and protection - Glands, epidydimus

23
Q

Microvilli

A

Short rough brush boarders increase surface area for absorption

24
Q

Cilia

A

Long brush boarders assist movement of substances

25
Q

Endocrine Glands

A

Secretion directly into blood for distant but strong effects - Pituatry, Pineal, Thyroidq

26
Q

Exocrine Glands

A

Secretion via ducts onto surfaces for local effects - Pancreas

27
Q

Single cell gland

A

Goblet cells

28
Q

Multicellular simple gland

A

single duct with no divides

29
Q

Branched multicellular gland

A

Multiple secreoty areas sharing one duct

30
Q

Compound multicellular gland

A

Duct divides multiple times towards secretory cells

31
Q

Simple tubular location

A

Intestinal glands

32
Q

Simple coiled tubular location

A

Sweat glands

33
Q

Simple branched tubular location

A

Mucous glands of oespohagus , tongue

34
Q

Simple aveolar acinar function

A

Stage in embryonic development

35
Q

Aveolar glands

A

Glandular cells forming sacs

36
Q

Simple branched aveolar location

A

Thyroid cells and sebaceous glands

37
Q

Compound tubular location

A

Mucous glands in mouth

38
Q

Compound aveolar acinar location

A

mammary glands

39
Q

compound tubuaveolar location

A

salivary glands, pancreas

Biosci 107 (13 decks)

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