Histology Flashcards

(43 cards)

1
Q

Unicellular exocrine glands

A

Within the surface epithelium

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2
Q

Epithelial Specialized Apical Features

A

Cilia, stereovilli, Microvilli

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3
Q

Epithelial Classifications

A

Number of layers, cell shape, specialized features

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4
Q

Do endocrine glands have ducts?

A

No. Release into the blood stream

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5
Q

Paracrine cell signaling

A

Molecules act on neighbor cells

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6
Q

Loose CT

A

Microvasculature, nerves, and immune defense cell support

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7
Q

Types of exocrine secretory products

A

Mucous

Serous

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8
Q

Classifications of exocrine secretory complexity

A

Coiled vs branched

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9
Q

Nervous Tissue cells

A

Neurons and support cells

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10
Q

Subtypes of CT Proper

A

Loose CT

Dense CT

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11
Q

Glycosaminoglycans

A

Polymers of repeating disaccharide units.

Hyaluronan

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12
Q

PNS nerve support cells

A

Schwann cells

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13
Q

PNS ganglia support cells

A

Satellite cells

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14
Q

Holocrine

A

Cell undergoes apoptosis to release secretory prod.

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15
Q

Dense Regular CT

A

Connections in musculoskeletal system, collagen fiber bundles, resists tearing

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16
Q

Cell-to-basement Junctions

A

Hemidesmosomes

Focal adhesions

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17
Q

Muscular Tissue Types

A

Skeletal, cardiac, and smooth

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18
Q

Merocrine (eccrine)

A

Membrane bound vesicles fuse to apical mem and release prod. into lumen

19
Q

Multiadhesive glycoproteins

A

Basement membrane adhesion. Binding sites for cell attachment

20
Q

Two types of Transport Across Epithelium

A

Transcellular transport

Paracellular transport

21
Q

Classifications of exocrine ducts

A

Simple vs compound

22
Q

Basal lamina

A

Attachment site for basal membrane

23
Q

Endocrine cell signaling

A

Molecules enter blood stream

24
Q

CT Proper Fibers of ECM

A

Collagen, Reticular, and Elastic

25
CT Proper Ground Substance
Glycosaminoglycans Proteoglycans Multiadhesive glycoproteins
26
Dense Irregular CT
Protect and support organs, lots of collagen fibers, resist tearing
27
Multicellular exocrine glads
Invaginate into CT with ducts to transport secretory prod.
28
Subtypes of Fluid CT
Blood | Lymph
29
Subtypes of Supportive CT
Bone | Cartilage
30
Autocrine cell signaling
Molecules bind to own receptors | Usually neg feedback
31
Major tissue types
Epithelial Muscular Nervous Connective
32
Cell-to-Cell Junctions
``` Zonula occludens (tight junctions) Zonula adherens (adherens junctions) Macula adherens (desmosome) Gap junctions (nexus) ```
33
Classifications of exocrine secretory shape
Acinar- spherical Tubular-tubular/cylindrical Tubule-acinar
34
Types of secretory epithelium
Endocrine | Exocrine
35
Heterochromatic
Not very active
36
Reticular lamina
Attachment for CT
37
Apocrine
Secretory prod within an envelope of plasma membrane released
38
Epithelium
Lining of body walls, glands, and remaining structures with lumen. Secretory and Lining
39
Euchromatic cell
Active
40
Mesothelium
Lines body cavities and are serous
41
Proteoglycans
Core protein with variable amounts and combos of sulfates GAGs
42
Endothelium
Heart, blood vessels, and lymphatic ducts
43
Types of Connective Tissue
CT Proper Supportive CT Fluid CT