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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
what do melanocytes do
Skin color
26
where is fibrocartliage located
Pubic symphysis and menisci
27
Purposes of epithelial cells
Protection, absorption, secretion, selective permeability, surface transport, sensory reception
28
What is intramembranous ossification
Fiberous membrane made into bone by osteoblasts
29
What do adipocytes do
Energy storage, insulation, cushioning
30
Zones of dermis
Papillary zone and reticular zone
31
What do exocrine glands do
secret product into ducts lined by epithelium
32
Characteristics of mucous glands
viscous, carbs, pale
33
What do endocrine glands do
secrete directly into blood stream NO DUCTS
34
Adnexae production
Hair, glands, nails, horn, hoof
35
What is an example of an apocrine cell and key characteristic
Mammary gland, portion of cell is secreted
36
Dense connective tissues where and what are they
Tendons and ligaments, parallel collagen fibers
37
What is an example of a merocrine cell and key characteristic
Salivary gland, cell stays intact
38
What are characteristics of reticular fibers
Thin with glycoprotein, structural support of organs
39
What are functions of the skin
Barrier, communication, temp regulation, secretion, storage, pigmentation, Vit D production, adnexae production
40
where is hyaline cartilage located
Trachea and bronchi
41
Characteristics of stratum granulosum
Variable number of layers, basophilic, amino acids, filaggrin(causes aggregation of keratin filaments)
42
Eosins stain what
Eosinophils, Red blood cells, cytoplasm, muscle fibers
43
What are examples of collagen fibers
Tendons, ligaments, and dermis
44
Sebaceous glands are mucous or serous?
Serous
45
What is an example of holocrine cell and key characteristic
Sebaceous glands, entire cell is shed
46
Zonula occludens
cell-cell communication
47
Characteristics of stratum coneum
dead cells, cornification, several layers
48
Characteristics of kinocilia
Respiratory tract, move mucus,
49
Characteristics of stratum lucidum
only in friction areas/thick skin, dead cells
50
Where is elastic cartilage located
ear
51
Amphophilic stain is what
both eosinophilic and basophilic
52
What is a pacinian corpuscle
Deep Mechanoreceptor (found in pancreas)
53
What is the ground substance of the dermis
Glycosaminoglycans (GAG)
54
What are the layers of the epidermis from surface to dermis (very important)
Stratum corneum, stratum lucidum, stratum granulosium, stratum spinosum, stratum basale
55
What's a desmosome
Site of cytoskeletal attachment to cell membrane and its surface, cell-cell adhesion
56
What are examples of reticular fibers
Framework for spleen and lymph nodes
57
What are melanocytes
Dendritic cells, make melanin
58
gap junction
ion exchange
59
What do pericytes do
Wrap around cells, blood brain barrier
60
What do myofibroblasts do
Differentiate into many things, contractile and support
61
Goblet cells are mucous or serous
mucous
62
What is a tactile corpusle
mechanoreceptor for light touch (thick hairless skin)
63
Cancellous
Spongey inside bone, Trabecule
64
What are characteristics of elastic fibers
Made of elastins
65
Hematoxylin stains what
nuclei, ER, calcium
66
What are the three classes of ground substance
GAGs (hold water), Proteoglycan (slows pathogens), Glycoproeins (bind to matrix)
67
What layer of skin contains Hair follicles, sweat glands, and pacinian corpuscles
Subcutis
68
Characteristics of fibrocartilage
Parallel collagen fibers, resists compression/shock
69
What are characteristics of collagen fibers
Most abundant, thick
70
Cytes
hanging out in lacunae
71
What are keratinocytes
In epidermis, produce keratin/cornifification, Progress through skin layers
72
what is Endochondral ossificaton
growth plates pushing up to create new bone
73
What are examples of elastic fibers
Skin, lungs, and arteries

Microanatomy (4 decks)

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