Session 9 - Connective Tissue Flashcards
Name the 3 classifications of connective tissue.
- Embryonic connective tissue
- Connective tissue proper
- Specialised connective tissue
What are the 2 types of embryonic connective tissue?
- Mesenchyme
- Mucous
What are the 2 types of connective tissue proper?
- Loose connective tissue
- Dense connective tissue
What are the 2 types of dense connective tissue?
- Irregular
- Regular
Name the 5 types of specialised connective tissue.
- Cartilage
- Bone
- Blood haemopoietic tissue
- Adipose tissue
- Lymphatic tissue
What are the 2 types of adipose tissue?
- White
- Brown
What type of cells make up mesenchyme tissue?
Mesenchymal cells
Where is mesenchyme tissue located?
In the embryo
Where is Mucous tissue located?
In the umbilical cord
Which cell types make up Mucous tissue?
- Mesenchymal cells
- Fibroblasts
What is another name for loose connective tissue?
Areolar connective tissue
Where is loose connective tissue usually located?
Beneath epithelia and is associated with glands and blood vessels
List 3 characteristics of loose connective tissue.
- Highly vascular
- Facilitates diffusion of oxygen, carbon dioxide, nutrients and metabolic waste
- Responds to infective stimuli
Where is dense irregular connective tissue usually located? List 5 places.
- Submucosa
- Reticular dermis
- Fascia
- Perichondrium
- Periosteum
Which cells make up dense irregular connective tissue?
Fibroblasts
What are the characteristics of dense irregular connective tissue?
- Abundant fibres with few cells
- Provides strength
- Resist excessive stretching and distension
- Resistant to tearing from stretching forces
Where is dense regular connective tissue usually located?
- Tendons
- Ligaments
- Aponeuroses
Which cells make up white adipose tissue?
- Adipocytes
- Mast cells
Which type of adipose tissue is multilocular?
Brown adipose tissue
Which type of adipose tissue is unilocular?
White adipose tissue
Which type of adipose tissue is found mainly in the foetus and during the first decade after birth?
Brown adipose tissue
List 5 functions of white adipose tissue.
- Energy storage in the form of triglycerides
- Regulation of energy metabolism
- Insulation
- Cushioning of vital organs
- Secretion of hormones
What is the function of brown adipose tissue?
Thermogenesis
Where does brown adipose tissue derive its colour from?
- Large number of mitochondria and cytochromes in the cytoplasm
- Vascularity of the tissue
Where in the adult body can brown adipose tissue be found?
- Neck
- Mediastinum
- Around kidneys adrenal glands and aorta
Where can lymphatic connective tissue be found?
- Liver
- Bone marrow
- Lymphoid and haemopoietic organs
What are the 3 types of fibres that can be found in the extracellular matrix?
- Collagen
- Reticular
- Elastic
Which cells produce reticular fibres? List 4
- Fibroblasts
- Reticular cells
- Schwann cells
- Smooth muscle cells
Which cells produce elastic fibres?
- Fibroblasts
- Smooth muscle cells
Name the 6 resident cell populations in connective tissue.
- Fibroblasts
- Myofibroblasts
- Macrophages
- Adipose cells
- Mast cells
- Stem cells
