A chloroplast is an organelle unique to plant cells that contains chlorophyll (which is what makes plants green) and is responsible for enabling photosynthesis to occur, so that plants can convert sunlight into chemical energy.
Related to infusion: Intravenous infusion. [in-fuÂ´zhun] 1. the steeping of a substance in water to obtain its soluble principles. 2. the product obtained by this process. 3. the slow therapeutic introduction of fluid other than blood into a vein. See also intravenous infusion. note: An infusion flows in by gravity, an injection is forced in by a syringe, an instillation is dropped in, an insufflation is blown in, and an infection slips in unnoticed.
Medical Definition of transfusion. 1  1: the process of transfusing fluid (as blood) into a vein or artery. 2  2: something transfused.