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.
show/hide words to know. 1  Chlorophyll: the pigment that gives plants their green color and allows them to absorb sunlight... 2  more. 3  Chloroplast: a part of a cell found in plants that converts light energy into energy plants can use (sugar). 4  Other living organisms such as algae also have cells that contain chloroplasts.hloroplasts are tiny factories inside the cells of plants. They are also found in the cells of other organisms that use photosynthesis. Chloroplasts take the energy from the sunlight and use it to make plant food.