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Bio 2l5 > Chapter 5 > Flashcards

Chapter 5 Flashcards

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Biology 101 flashcards
1
Q

Epithelial tissue

A

Skin, glands, lining of internal surfaces

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2
Q

Epithelial characterizations

A

Cell junctions, avascular, high regeneration rates

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3
Q

Functions of epithelial

A

Physical protection, control permeability, produces specialized secretions

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4
Q

Simple squamous epithelium

A

Permits rapid diffusion or transport of substances

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5
Q

Simple cuboidal epithelium

A

Absorption and secretion, mucus production, kidney linings

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6
Q

Simple columnar epithelium

A

Absorption and secretion, mucus secretion, inside lining of intestines

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7
Q

Pseudo-stratified epithelium

A

Secrets and propels mucus, line inside of airway

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8
Q

Mucous membrane

A

Lines passages that open to external environment (nose), absorptive, secretory, and protective functions

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9
Q

Keratinized stratified squamous

A

Skin, packed with dead cells

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10
Q

Non keratinized stratified squamous

A

No surface of dead cells, vagina

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11
Q

Stratified cuboidal epithelium

A

Secretes sweat, sperm and ovarian hormones, testes ovaries

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12
Q

Connective tissue

A

Matrix tissue which cells usually occupy less space than extra cellular material

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13
Q

Functions of connective tissue

A

Binding organs, support, physical and immune protection, movement, storage, heat production, transport

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14
Q

Areolar tissue

A

Papillary layer of dermis, stretch, snap back, connect skin to muscle

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15
Q

Adipose tissue

A

Adipocytes- dominant cell, fat cells, layer between skin and muscle

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16
Q

Adipose tissue

A

Subcutaneous layers, padding around organ, breasts

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17
Q

Dense regular connective tissue

A

Tendons/ligaments, strength, fibers run in same direction

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18
Q

Dense irregular connective tissue

A

Dermis, strength in all directions of skin, fibers go all different directions

19
Q

Cartilage

A

Lack blood supply, supportive CT

20
Q

Hyaline cartilage

A

Trachea/bronchi, hold open airway, padding bones

21
Q

Elastic cartilage

A

Ear, lots of flexibility

22
Q

Fibro cartilage

A

Intervertebral disks, really strong

23
Q

Spongy bone

A

End of long bones

24
Q

Compact bone

A

Outside of bones

25
Q

Blood

A

Fluid CT, transport cells and dissolved matter

26
Q

Erythrocytes

A

Red blood cells- hemoglobin

27
Q

Leukocytes

A

White blood cells, defense

28
Q

Platelets

A

Cell fragments

29
Q

Nervous tissue

A

Communication, electrical/chemical signals

30
Q

Neurons

A

Nerve cells

31
Q

Nervous tissue

A

Brain

32
Q

Muscular tissue

A

Elongated cells specialized for contraction

33
Q

Skeletal muscle

A

Muscles, voluntary

34
Q

Cardiac muscle

A

Heart, involuntary

35
Q

Smooth muscle

A

Wall of hallow organs, blood vessels

36
Q

Intracellular junctions

A

Connections between one cell and another

37
Q

Tight junction

A

Region in which adjacent cells are bound together by fusion of their plasma membranes (epithelial tissue)

38
Q

Gap junctions

A

Formed by ring like connexon (kidneys)

39
Q

Regeneration

A

Replacement of dead or damaged cells by same type as before

40
Q

Fibrosis

A

Replacement of damaged cells with scar tissue

41
Q

Atrophy

A

Shrinkage of tissue through loss in cell size of number

42
Q

Necrosis

A

Premature, pathological death of tissue due to trauma, toxins, or infections

43
Q

Apoptosis

A

Programmed call death

Bio 2l5 (8 decks)

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