Membranous Organelles Flashcards
What are membranous organelles?
Cell organelles surrounded by cell membrane
6 types of membranous organelles
- Lysosomes
- Mitochondria
- Golgi apparatus
- Peroxisomes
- Rough endoplasmic reticulum
6.smooth endoplasmic reticulum
What is ER?
A system of inter communicating membranous channels in the form of tubules
Where is RER abundant in
In protein secreting cells specifically as pancreas and plasma cells
RER by LM appear as?
Localised basophilia (basic) in hematoxylin (blue) and Eosin staining
Function of RER
Synthesis of protein secretions as enzymes
Where is SER found
Liver, suprarenal gland, muscles and testis
SER appears as?
Cytoplasmic acidophillia (acidic) in hematoxylin and eosin (red) staining
What in LM sections is Golgi apparatus with?
Stained brown with silver dye (dye changed to brown )
Mitochondria
The powerhouse of the cell
How many membranes cover the mitochondria?
2 membranes