Tissues Flashcards

1
Q

Albinism

A

Genetic condition, lack of melanin, unable to produce it

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2
Q

Apoptosis

A

Programmed cell death, cells are supposed to die

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3
Q

Arrector Pili Muscles

A

Smooth muscle attached to hair follicles,

responsible for goose flesh (bumps)

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4
Q

Atrophy

A

Decrease in cell size and number

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5
Q

Avascular

A

Lacking blood supply, no blood vessels present; examples epithelium and cartilage

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6
Q

Axon

A

Single process of a neuron, carries nerve impulse away from cell body

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7
Q

Brown fat

A

Special fat for producing heat in newborns and infants

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8
Q

Chondroblasts

A

Produce cartilage

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9
Q

Chondroitin sulfate

A

Most abundant Glycosaminoglycan (GAG)

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10
Q

Collagen

A

Most abundant protein in the body

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11
Q

Cortex

A

Outer part above the medulla

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12
Q

Cyanosis

A

Blue coloration due to lack of oxygen or blood supply

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13
Q

Dendrite

A

Can be multiple, bring information into the neuron

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14
Q

Desmosome

A

“Spot welds”, attach cells more strongly together

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15
Q

Differentiation

A

Unspecialized cells becoming more specialized

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16
Q

Epidermal dendritic (Langerhans) cells

A

Macrophages present in the epidermis of the skin

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17
Q

Erythema

A

Red color of skin from increased blood flow

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18
Q

Erythrocytes

A

Red blood cells, transport oxygen

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19
Q

Fibroblasts

A

Produce fibers and ground substance

20
Q

Fibrosis

A

Healing with scar tissue, primarily collagen fibers

21
Q

Gap Junctions

A

Used by cells for communication

22
Q

Glycosaminoglycan (GAG)

A

Large polysaccharides in ground substance

23
Q

Goblet cells

A

Unicellular gland, produce mucous

24
Q

Hyaluronic acid

A

Present in synovial fluid, vitreous body of eye

25
Q

Hyperplasia

A

Increase in the number of cells

26
Q

Hypertrophy

A

Increase in existing cell size, no cell number increase

27
Q

Intercalated discs

A

Present in cardiac cells

28
Q

Jaundice

A

Yellowing of skin and whites of eyes from excess bilirubin building, often from reduced liver function

29
Q

Keloid

A

Excessive fibrosis, tends to recur when removed

30
Q

Keratin

A

Protein present in epidermis, hair, nails

31
Q

Keratinocytes

A

Produce keratin, most abundant cell type in the epidermis

32
Q

Leukocytes

A

White blood cells, immune functions

33
Q

Macrophages

A

Develop from monocytes, perform phagocytosis

34
Q

Mast cells

A

Produce histamine and heparin

35
Q

Medulla

A

Innermost part of a structure (hair, adrenal gland, kidney)

36
Q

Melanin

A

Dark pigment produced by melanocytes

37
Q

Necrosis

A

Premature, pathological cell death

38
Q

Neuron

A

A nerve cell, transmit impulses

39
Q

Osteoblasts

A

Produce bone (hard extracellular matrix)

40
Q

Pallor

A

Pale, ashen color of skin from decreased blood flow

41
Q

Parenchyma

A

The functioning, producing cells of above structures

42
Q

Plasma cells

A

From B lymphocytes, make antibodies

43
Q

Regeneration

A

Healing with the same type of tissue

44
Q

Soma

A

Cell body of a neuron

45
Q

Stroma

A

Framework portion of lymph nodes, spleen, bone marrow