Compendiums 1 - 4 Flashcards
What is a cell?
Smallest structural organism carrying out a specific function under the aid of a microscope
Intracellular
Inside the cell
Extracellular
Outside the cell
Intercellular
In-between the cell
Intravascular
Inside the blood vessel
Main components of intracellular environment
Organelles, cytoplasm, water, nutrients etc
What is a tissue?
Collection of cells with a particular function
4 main tissue types
Epithelial, Muscle, Connective and Nervous
What is histology?
Histology is the study of tissue under the presence of a microscope
Haematoxylin and Eosin (A&E)
Substance used to stain tissue —— Nucleus is purple
What is an organelle and where can they be found?
Organelles can be located in all cells. Organelle’s are structures found in a cell with a specific function
Nucleus
Central control centre. Contains DNA and information of cell
Nucleolus
Produces ribosomes. Inside the nucleolus contains RNA
Mitochondria
Power house. Produces energy to cell (ATP)
Ribosome
Synthesises protein