Coccyx bone: The small tail-like bone at the bottom of the spine very near to the anus. The coccyx is made up of 3-5 rudimentary vertebrae. It is the lowest part of the spinal column.
The word “coccyx” comes from the Greek “kokkyx” meaning “cuckoo bird.” It got this name because it was thought to look like the bill of the cuckoo.
Cochlea: The cochlea is the part of the inner ear that converts mechanical energy (vibrations) into nerve impulses sent to the brain. It is also known as the organ of hearing. The cochlea is a small conical structure resembling a snail shell. The word “cochlea” is a Latin word derived from the Greek “kokhlos” designating […]
- Cochlear implant
Cochlear implant: A device that is surgically placed (implanted) within the inner ear to help a person with a certain form of deafness to hear. Cochlear implants rarely cure severe or profound deafness, but they can help some hearing-impaired people to distinguish the sounds of language clearly enough to participate in a verbal environment. For […]
- Cockayne syndrome
Cockayne syndrome: A genetic disorder that involves progressive multisystem degeneration and is classified as a segmental premature-aging syndrome. Cockayne syndrome is characterized by dwarfism, prematurely aging, visual problems and deafness, sensitivity to sunlight, and mental retardation. Cockayne syndrome is a transcription- and DNA repair deficiency syndrome. The syndrome arises from mutations in the CSA and […]
- Cockroach allergy
Cockroach allergy: A condition that manifests as an allergic reaction when one is exposed to tiny particles from cockroaches. Asthma can be due to exposure to cockroach allergens (allergy-provoking substances). These substances are the proteins shed or excreted by the cockroaches. In a study reported in the Journal of Allergy and Clinical Immunology (1999;103:501-506), the […]
- Cod liver oil
Cod liver oil: An oil extracted from the liver of the cod. Cod liver oil was once given religiously to children every day as a rich source of vitamins A and D. It was also used to treat children with rickets, a bone disease due to vitamin D deficiency. Cod liver oil is now known […]