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Human Biology > Histology – Connective tissue > Flashcards

Histology – Connective tissue Flashcards

1
Q

What are the 4 classes of connective tissue?

A
  1. Connective tissue proper
  2. Cartilage
  3. Bone
  4. Blood
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2
Q

What is mesenchyme ?

A

It is the embryonic tissue from which all connective tissue are derived from.

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3
Q

Name the characteristics of connective tissue

A
  1. They all derive from the same embryonic tissue
  2. Few cells
  3. Extracellular matrix
  4. Rich in blood vessels or no vessels
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4
Q

Name the functions of connective tissue

A
  1. Connect and support other tissues
  2. Protection
  3. Insulation and energy storage
  4. Transportation
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5
Q

Cell type of connective tissue proper

A

Fibroblasts/cytes

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6
Q

Cell type of cartilage

A

Chondroblasts/cytes

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7
Q

Cell type of bones

A

osteoblasts/cytes

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8
Q

Cell type of blood

A

Hematopoietic stem cells

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9
Q

What is ground substance?

A
  • Secreted by fibroblasts
  • Polysaccharides and proteins
  • Unstructured; extracellular space filler
  • The texture varies: fluid to solid
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10
Q

What are the 3 connective tissue fibers?

A
  1. Collagen fibers
  2. Elastic fibers
  3. Reticular fibers
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11
Q

Where do fibers come from?

A

fibroblast

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12
Q

What is loose areolar connective tissue

A

A layer of connective tissue underneath the skin, it contains cell types and fibers. It connects and support, it also allows nutrient exchange

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13
Q

What is adipose tissue?

A
  • Mostly fat storage cells (adipocytes)

* Supports, insulates and provides energy

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14
Q

What are dense regular connective tissue?

A

Tendons (connects muscles to bones)

Ligaments (connects bones to bones)

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15
Q

Where are dense elastic connective tissue found?

A

Found in walls of arteries

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16
Q

Name the characteristics of cartilage

A
  • Flexible and resistant
  • No blood vessel
  • Lacunae (cavities)
  • Invisible collagen fibers
  • Some elastic fibers
17
Q

Explain the difference between hyaline cartilage and elastic cartilage

A

Hyaline cartilage- short collagen fibers, supports and cushions, found in the nose and at the end of long bones.

Elastic cartilage- contains both collagen and elastic fibers, supports and is flexible, found in the ears.

18
Q

Name the characteristics of bones

A
  • Lacunae (cavities)
  • Rich in blood vessels
  • Support and protect
19
Q

Name the characteristics of blood

A
  • Red Blood Cells and White Blood Cells
  • Fibers are soluble
  • Their function is transportation

Human Biology (5 decks)

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