Types of Tissue Flashcards

1
Q

What is a tissue?

A

A group of cells with similar structure and function

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2
Q

Study of tissue

A

Histology

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3
Q

Main 4 types of tissue

A

Epithelial, connective, nervous, muscular

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4
Q

What is epithelial tissue?

A

Forms in large, continuous sheet to cover skin
-Covers outer surface

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5
Q

What does epithelial tissue line?

A

Most inner cavities: Mouth, respiratory tract, reproductive tract (ex)

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6
Q

Functions of epithelial tissue?

A

Protects (skin), absorption (in digestive system), filtration (kidney), secretion (exo and endo), transportation (respiratory)

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7
Q

Outer surface

A

Unattached

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8
Q

Inner surface

A

Attached to basement membrane

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9
Q

Avascular

A

Without blood vessels, epithelial tissue gets blood from connective tissue

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10
Q

Classification of epithelial tissue

A

Squamous
Cuboidal
Columnar

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11
Q

Layers of epithelial tissue

A

Simple epithelium
-Simple cuboidal, simple columnar, pseudostratified columnar epithelium (looks like layers)
Stratified epithelium
-Transitional

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12
Q

Simple squamous

A

Transportation ie: respiratory

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13
Q

Stratified squamous

A

Protection ie: skin

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14
Q

Simple columnar

A

Absorption ie: stomach, intestine, reproductive

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15
Q

Stratified transitional

A

Expands ie: wall of urinary bladder

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16
Q

Pseudostratified

A

Trachea will cillia

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17
Q

Cuboidal

A

Secretory ie: glands

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18
Q

Glandular epithelia

19
Q

Why are endocrine glands ductless?

A

Because their glands do not have ducts to carry product to a surface

20
Q

Which tissue is most abundant?

A

Connective

21
Q

What are the functions of connective tissue?

A

Connection (connects tissue), support, protection, fat storage, transportation

22
Q

Types of connective tissues

A

Hard (bone), Semihard (cartilage), liquid (blood)

23
Q

Which tissue is most well vascularized?

A

Connective tissue

24
Q

Loose connective tissue

A

Areolar, adipose, reticular

25
Types of cartilage tissue
Hyaline, fibrocartilage, elastic
26
Nervous tissue
Makes up spinal cord, brain, nerves
27
Types of nervous tissue cells
Neurons, neuroglia
28
Neurons functions
Transport signals, do not regenerate
29
Neuroglia functions
Protects and supports neurons, can regenerate
30
Muscle tissue
Composed of cells (fibers) that contract for movement
31
Types of muscle tissue
Skeletal, smooth, cardial
32
Skeletal muscle tissue
Voluntary and stratified
33
Smooth muscle tissue
Involuntary and nonstratified
34
Cardial muscle tissue
Involuntary and stratified
35
Tissue repair
Regeneration: replacing tissue via mitosis
36
Fibrosis
Replacing tissue (injured) with fibrous connective tissue (scar tissue)
37
Keloid
Excessive fibrosis
38
Tissue repair process
1. Wound 2. Clot and scab 3. Tissue repair begins 4. Scar tissue forms 5. Epithelial tissue multiplies 6. Scab detaches
39
Visceral
Filled with fluid
40
Membranes
Cover surfaces, line body cavities, surround organs
41
Epithelial membranes
Cutaneous, mucous (exterior, mouth), serous (not exterior, pleura, pericardium, peritoneum)
42
Connective membranes
Synovial (joints), periosteum (surrounds bone), perichondrium (cover cartialige), meninges (brain and spinal cord), fascia (covers muscle)
43
Peritoneum, pleura, pericardium
Parietal and visceral