Commective Tissue Flashcards
(24 cards)
3 reasons why it is good to have vascular CT
Good supply of nutrients to the epithilial tissue
Good supply of gases to epithilial tissue
Good removal systems of waste gases and substances- lymph
What 2 molecules are all CT made of
- Matrix-ground substance- gel like substance surrounding cells
- Fibroblasts- star shaped cells
What are Mesenchyme cells
They are embryonic stem cells that can differentiate into all other CT cells
What are fibroblasts
Star shaped cells secrete fibres and ground substance
What are macrophages
Cells that phagocytose bacteria and foreign matter
What are plasma cells
Secrete antibodies
Mast cells
Secrete histamine causing inflamation
What are Adipocytes
Fat cells found within CT
What are the 5 types of connective tissue
- Bone CT
- Cartilaginous CT
- Embryonic CT
- Proper CT
- Blood CT
What is the appearance, cell types present, function and location of embryonic CT
Uniform appearance- made up of Mesenchymal cells
Jelly like matrix- lots of reticular fibres
Important in tissue interaction during development
Found in umbilical cord
Makes all other CT
What are the 6 subsection of proper CT
- Loose CT
- Dense CT
- Dense up irregular CT
- Elastic CT
- Reticular CT
- Adipose CT
Describe loose CT and where it is found
CT contains lots of most cells except mesenchyme cells
Has collagen and reticular fibres for strength and elasticity support
Found where the skin joins to muscles
Describe Dense CT and where it is found
Dense CT contains lots of collagen fibres and fibroblasts
They run parallel to the force exerted upon them
Found in tendons- joining skeletal muscles to bone
Describe Dense irregular CT and where it is found
Contains lots of collagen, fibroblasts all interwoven
They can resist strain from multiple directions
Found in skin, and heart valves
Describe elastic CT and where it is found
lots of elastic fibres and fibroblasts
They can increase in size by 1.5 times
They are located in the aorta
Describe Reticular CT and where it is found
It is made of lots of reticular fibres interwoven into a gell matrix
It forms the stoma that binds and supports the tissue
Found around the liver, spleen and lymph vessels
Describe Adipose CT and where it is found
Adipose tissue consists of lots of fat cells
This tissue surrounds and protects and insulate the body
Found behind the eyes, the breasts and in joints
What are the main characteristics of all cartilage CT (3)
Has cartilage cells or chondrocytes found in spaces called lacuna
Semi solid and elastic structure
Surrounded by a membrane AKA the perichondrium
Supports and protects bones and joints
Name 3 types of cartilage CT
- Hyaline CT
- Fibrocartilage CT
- Elastic CT
Describe and give the location of hyaline CT
Most common Cartilage CT in the body
Homogenous tissue consisting of collagen fibres and chondrocytes
No blood vessels or nerves
Found in the nose and ribs and joints
Describe and give the location of Fibrocartilage CT
This tissue contains lots of collagen and chondrocytes but no perichondrium
Very durable, provides rigidity and support
Found in pubic symphysis, knee cap
Describe and give the location of elastic cartilage CT
Contains lots of elastic fibre and chondrocytes- has a perichondrium
Elastic but sturdy
Found in outer ear and larynx
Describe the structure and function of vascular CT
Production of erythrocytes- red blood cell- respiration
Leukocytes- White blood cells- immune response
Thrombocytes- platelets- clotting
Maintains homeostasis
What are the 3 functions of CT
- Protection
- Strength
- Insulation
