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Microanatomy > Histology...in the beginning > Flashcards

Histology...in the beginning Flashcards

1
Q

Characteristics of hyaline cartilage

A

Glassy, fine collagen fibers, enclosed in lacunae, Eases joint movement

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2
Q

Characteristics of serous glands

A

Watery, protein

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3
Q

What is an example of a unicellular gland

A

Goblet cell

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4
Q

Zonaula adherens

A

blocks water

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5
Q

Characteristics of elastic cartilage

A

inbetween lacunae, elastic support

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6
Q

What are the functions of connective tissue

A

Connections, support, storage, transport

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7
Q

Hematoxylin is what color

A

blue

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8
Q

What is the main characteristic of mesenchyme

A

supporting cells

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9
Q

What are langerhans cells

A

Dendritic cells, immune surveillance

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10
Q

Eosins are what color

A

Red

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11
Q

Cortical bone

A

Hard bone

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12
Q

Characteristics of stratum basale

A

Rests on basement membrane, 50% resting 50% dividing and leaving BM

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13
Q

What to fibroblasts do

A

Produce fibers and ground substance

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14
Q

What are the three layers of the basement membrane

A

Lamina lucida (anchoring), Basal lamina (type 4 collagen), lamina fibroeticularis (reticulated with under lying connective tissue)

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15
Q

Where are haversian systems located

A

Cortical bone

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16
Q

Characteristics of stratum spinosum

A

Desmosomes, polyhedral shaped cells, barrier function and desqamation.

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17
Q

What are some characteristics of the epithelium

A

Lining cells, close packed, desmosomes, avascular, basement membrane

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18
Q

What are the three layers of bone from end to middle

A

Epiphysis, metaphysis, diaphysis

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19
Q

What layer of skin contains sebaceous glands

A

Dermis

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20
Q

Blasts

A

Make things

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21
Q

Does cartilage have blood vessles

A

NO

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22
Q

Charactaristics of microvilli

A

Short, non-motile, increase surface area

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23
Q

Clasts

A

Destroy

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24
Q

What are some examples of endocrine glands

A

Pancreas, thyroid, adrenal glands

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25
Q

what do melanocytes do

A

Skin color

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26
Q

where is fibrocartliage located

A

Pubic symphysis and menisci

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27
Q

Purposes of epithelial cells

A

Protection, absorption, secretion, selective permeability, surface transport, sensory reception

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28
Q

What is intramembranous ossification

A

Fiberous membrane made into bone by osteoblasts

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29
Q

What do adipocytes do

A

Energy storage, insulation, cushioning

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30
Q

Zones of dermis

A

Papillary zone and reticular zone

31
Q

What do exocrine glands do

A

secret product into ducts lined by epithelium

32
Q

Characteristics of mucous glands

A

viscous, carbs, pale

33
Q

What do endocrine glands do

A

secrete directly into blood stream NO DUCTS

34
Q

Adnexae production

A

Hair, glands, nails, horn, hoof

35
Q

What is an example of an apocrine cell and key characteristic

A

Mammary gland, portion of cell is secreted

36
Q

Dense connective tissues where and what are they

A

Tendons and ligaments, parallel collagen fibers

37
Q

What is an example of a merocrine cell and key characteristic

A

Salivary gland, cell stays intact

38
Q

What are characteristics of reticular fibers

A

Thin with glycoprotein, structural support of organs

39
Q

What are functions of the skin

A

Barrier, communication, temp regulation, secretion, storage, pigmentation, Vit D production, adnexae production

40
Q

where is hyaline cartilage located

A

Trachea and bronchi

41
Q

Characteristics of stratum granulosum

A

Variable number of layers, basophilic, amino acids, filaggrin(causes aggregation of keratin filaments)

42
Q

Eosins stain what

A

Eosinophils, Red blood cells, cytoplasm, muscle fibers

43
Q

What are examples of collagen fibers

A

Tendons, ligaments, and dermis

44
Q

Sebaceous glands are mucous or serous?

45
Q

What is an example of holocrine cell and key characteristic

A

Sebaceous glands, entire cell is shed

46
Q

Zonula occludens

A

cell-cell communication

47
Q

Characteristics of stratum coneum

A

dead cells, cornification, several layers

48
Q

Characteristics of kinocilia

A

Respiratory tract, move mucus,

49
Q

Characteristics of stratum lucidum

A

only in friction areas/thick skin, dead cells

50
Q

Where is elastic cartilage located

51
Q

Amphophilic stain is what

A

both eosinophilic and basophilic

52
Q

What is a pacinian corpuscle

A

Deep Mechanoreceptor (found in pancreas)

53
Q

What is the ground substance of the dermis

A

Glycosaminoglycans (GAG)

54
Q

What are the layers of the epidermis from surface to dermis (very important)

A

Stratum corneum, stratum lucidum, stratum granulosium, stratum spinosum, stratum basale

55
Q

What’s a desmosome

A

Site of cytoskeletal attachment to cell membrane and its surface, cell-cell adhesion

56
Q

What are examples of reticular fibers

A

Framework for spleen and lymph nodes

57
Q

What are melanocytes

A

Dendritic cells, make melanin

58
Q

gap junction

A

ion exchange

59
Q

What do pericytes do

A

Wrap around cells, blood brain barrier

60
Q

What do myofibroblasts do

A

Differentiate into many things, contractile and support

61
Q

Goblet cells are mucous or serous

62
Q

What is a tactile corpusle

A

mechanoreceptor for light touch (thick hairless skin)

63
Q

Cancellous

A

Spongey inside bone, Trabecule

64
Q

What are characteristics of elastic fibers

A

Made of elastins

65
Q

Hematoxylin stains what

A

nuclei, ER, calcium

66
Q

What are the three classes of ground substance

A

GAGs (hold water), Proteoglycan (slows pathogens), Glycoproeins (bind to matrix)

67
Q

What layer of skin contains Hair follicles, sweat glands, and pacinian corpuscles

68
Q

Characteristics of fibrocartilage

A

Parallel collagen fibers, resists compression/shock

69
Q

What are characteristics of collagen fibers

A

Most abundant, thick

70
Q

Cytes

A

hanging out in lacunae

71
Q

What are keratinocytes

A

In epidermis, produce keratin/cornifification, Progress through skin layers

72
Q

what is Endochondral ossificaton

A

growth plates pushing up to create new bone

73
Q

What are examples of elastic fibers

A

Skin, lungs, and arteries

Microanatomy (4 decks)

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