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
Hyperplasia
Increase in the number of cells
26
Hypertrophy
Increase in existing cell size, no cell number increase
27
Intercalated discs
Present in cardiac cells
28
Jaundice
Yellowing of skin and whites of eyes from excess bilirubin building, often from reduced liver function
29
Keloid
Excessive fibrosis, tends to recur when removed
30
Keratin
Protein present in epidermis, hair, nails
31
Keratinocytes
Produce keratin, most abundant cell type in the epidermis
32
Leukocytes
White blood cells, immune functions
33
Macrophages
Develop from monocytes, perform phagocytosis
34
Mast cells
Produce histamine and heparin
35
Medulla
Innermost part of a structure (hair, adrenal gland, kidney)
36
Melanin
Dark pigment produced by melanocytes
37
Necrosis
Premature, pathological cell death
38
Neuron
A nerve cell, transmit impulses
39
Osteoblasts
Produce bone (hard extracellular matrix)
40
Pallor
Pale, ashen color of skin from decreased blood flow
41
Parenchyma
The functioning, producing cells of above structures
42
Plasma cells
From B lymphocytes, make antibodies
43
Regeneration
Healing with the same type of tissue
44
Soma
Cell body of a neuron
45
Stroma
Framework portion of lymph nodes, spleen, bone marrow