Structural Organisation In Animals Flashcards
What is a tissue
In multicellular organisms, group of similar cells along with intercellular substance perform a specific function
Organs
Tissues are organised in specific proportion and pattern
Organ systems
2 or more organs perform a common function by their physical/chemical interaction
Location of squamous epithelium
Walls of blood vessel,air sacs of lungs
Location of cuboidal epithelium
Ducts of glands, PCT of nephron in kidneys
Epithelium was coined by
Ruysch
From where do tissues arise
Undifferentiated cells of primary germ layers n by twin process
Twin process of cell multiplication
Mitosis and cell differentiation
Tissue
Bichat
Simple epithelium
Consists of a single layer of cells on basement membrane.
The basement membrane is composed of?
Collagen fibres with glycoproteins
Simple columnar epithelium lines…
The stomach, intestine and gall bladder. It also forms gastric glands,intestinal glands and pancreatic lobules. Here it is called glandular epithelium.
Ossein
Matrix of bone is made up of this protein
Collagen fibres of basement membrane
Glycoproteins
