Tissues Flashcards

1
Q

Tissues

A

A collection of cells working together for a specific function

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2
Q

Organ

A

Two or more tissue types working together for a common function

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3
Q

Four types of tissues

A
  1. Epithelial
  2. Connective
  3. Muscular
  4. Nervous
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4
Q

Epithelial Tissue

A
  • Contains cells that are tightly packed together

- Little to no extracellular matrix space

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5
Q

Where are epithelial tissue located?

A

Located on the body’s surfaces - Outer layer of the skin, Lines the body’s cavities (esophagus, bladder)

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6
Q

How are epithelial tissues classified

A

By shape and layers

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7
Q

Epithelial tissue Shapes

A
  1. Squamous
  2. Cuboidal
  3. Columnar
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8
Q

Epithelial tissue cell layers

A
  1. Simple

2. Stratified

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9
Q

Connective Tissue Definition

A

The most wide spread and diverse type of tissue

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10
Q

What types of Connective tissue

A
  1. Fibrous connective tissue
  2. Cartilage
  3. Bone
  4. Blood
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11
Q

Two types of fibrous connective tissue

A
  1. Loose Connective Tissue

2. Dense Connective Tissue

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12
Q

Types of Loose connective tissue

A
  1. Areolar
  2. Adipose
  3. Reticular
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13
Q

Dense connective tissue

A

Mainly compacted collagen fibers

-Tendons & ligaments

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14
Q

Cartilage

A

Composed of chondrocytes that have a lot of matrix space that is flexible
-Little blood flow

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15
Q

What gives Cartilage its characteristic

A

Matrix space and substances

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16
Q

Three types of cartilage

A
  1. Hyaline
  2. Elastic
  3. Fibrocartilage
17
Q

Bone

A

Type of connective tissue and contains osteocytes
- A lot of matrix space which is filled with calcium phosphate salt and collagen fibers - this gives bones its hard but yet slightly flexible characteristic

18
Q

Blood

A

Unique tissue because it is a fluid

19
Q

Types of blood

A
  • Red blood cells
  • White blood cells
  • Plasma (Blood plasma is the matrix)
20
Q

Muscular tissue

A

The cells of muscle tissue are unique because they can go through contraction

21
Q

Matrix of Muscular tissue

A

Little to no matrix space

22
Q

Three types of muscle tissue

A
  1. Skeletal muscle
  2. Smooth muscle
  3. Cardiac Muscle
23
Q

Skeletal Muscle

A
  • Attached to the skeletal system

- Striated appearance and under voluntary control

24
Q

Cardiac Muscle

A

Found in the heart

-Striated appearance and under unconscious/involuntary control

25
Smooth Muscle
Found primarily within internal organs | -Not striated and under unconscious/involuntary control
26
Nervous Tissue
Nerve cells have a very unique shape and size | -Conduct electrical impulses as a form of communication within the body
27
What is the matrix space of nervous tissue
Filled with support cells referred to neuroglia cells
28
What are the two ways of tissue repair
1. Regeneration | 2. Fibrous
29
Regeneration of Tissue
Occurs when damaged/injured cells of the tissue are replaced within the same cells
30
Fibrosis tissue repair
Occurs when the damaged/injured cells of the tissue are replaced with scar tissue ***Function is NOT maintained