Injuries or trauma to any part of the arm or shoulder, including bone fractures, joint dislocations, and muscle strains and sprains, are common causes of arm pain. Sometimes diseases that affect other organs in the body, like peripheral vascular disease or arthritis, can be the cause of pain in the arm.
/sporÂ·uÂ·laÂ·tion/ (sporâ³u-laÂ´shun) formation of spores. sporulation. 1 a type of reproduction that occurs in fungi, algae, and protozoa and involves the formation of spores by the spontaneous division of a cell into four or more daughter cells, each of which contains a part of the original nucleus.
The bud and the parent may separate from each other or may remain together and form a colony. Budding occurs in unicellular organisms, such as yeast, and in multicellular organisms, such as the hydra. 4. SPORULATION. Spores are specialized asexual reproductive cells that contain a nucleus and a small amount of cytoplasm.