Histology Flashcards
(8 cards)
What is the function of the nucleus?
Contains genetic code
Site of RNA synthesis - mRNA and tRNA in the nucleus and rRNA in the nucleolus
What is the function of the ribosome?
Small subunit which binds RNA and large subunit which catalyses formation of peptide bonds
Formed in nucleolus
What is the function of the rough endoplasmic reticulum?
Protein synthesis and initiation of glycoprotein formation
Studded with ribosomes
What is the function of the smooth endoplasmic reticulum?
Site of lipid synthesis
Continues processing of proteins from RER
What is the function of the golgi apparatus?
Modifies and packages macromolecules from SER
What are the functions of lysosomes?
Contain hydrolytic enzymes for intracellular digestion
What is the function of the mitochondria?
Energy production
Name the 4 basic tissue types
Epithelium
Connective tissue
Muscle
Nervous tissue