These medical condition or symptom topics may be relevant to medical information for Orchialgia: 1  Pain (6458 causes) 2  Pain symptoms (6458 causes) 3  Pain disorder.  Pain 1  syndrome. Testis.  Testis symptoms (247 1  causes) Testis disorder.  SYN. Orchalgia.
The innermost matrix of chloroplasts, called the stroma, contains metabolic enzymes and multiple copies of the chloroplast genome. Chloroplasts also have a third internal membrane called the thylakoid membrane, which is extensively folded and appears as stacks of flattened disks in electron micrographs.
(klÅr`ÉplÄst', klor`â) , klÃ´r a, complex discrete green, structure or, organelle contained in the cytoplasm of plant. Cells chloroplasts are reponsible for the green color of almost all plants and are lacking only in plants that do not make their own, food such as fungi and nongreen parasitic or saprophytic higher. plantshloroplast. an intracellular organelle (plastid) of the plant cell, in which photosynthesis occurs. Chloroplasts are green in color because of the presence of chlorophyll, the main pigment of photosynthesis.