Cytoplasm is outside the nucleus and inside the plasmalemma, the membrane of the cell. It includes: – cytosol, a semi-liquid solution in which organelles are found, – cytoskeleton, e. g. microtubules and microfilaments, – and different organelles such as endoplasmic reticulum, Golgi apparatus, mitochondrions and chloroplasts, lysosomes, peroxysomes, ribosomes.