Ciliary muscle spasm: Related Topics. These medical condition or symptom topics may be relevant to medical information for Ciliary muscle spasm: 1  Ciliary muscle. 2  Muscle spasm (29 causes). 3  Ciliary. 4  Muscle.
Giardia intestinalis is also a common parasite found in drinking water. Both Cryptosporidium and Giardia intestinalis are found in the fecal matter of an infected person or animal. These parasites can be spread when someone swallows water that has been contaminated with fecal matter from an infected person or animal.oth Cryptosporidium and Giardia intestinalis are found in the fecal matter of an infected person or animal. These parasites can be spread when someone swallows water that has been contaminated with fecal matter from an infected person or animal.
A parasite is a life form that survives off its host â taking valuable nutrients without contributing to the benefit of the host. Human parasites include worms, bacteria, protozoa and amoeba.Parasites often work by stealth. parasite is a life form that survives off its host â taking valuable nutrients without contributing to the benefit of the host. Human parasites include worms, bacteria, protozoa and amoeba.