Central vision: A process in which millions of cells change light into nerve signals that tell the brain what the person is seeing. As a person reads, drives, and performs other activities that require fine, sharp, straight-ahead vision, light is focused onto the macula in the center of the retina, the light-sensitive layer of tissue at the back of the eye.
- Centric-fusion translocation
Centric-fusion translocation: A type of chromosome rearrangement, also called a Robertsonian translocation, in which there is fusion of an entire long arm of one acrocentric chromosome with a similarly intact long arm of another acrocentric chromosome. The short arms of the chromosomes participating in the translocation are usually lost. Acrocentric chromosomes have their centromere near […]
Centromere: The ‘waist’ of the chromosome that is essential for the division and retention of the chromosome in the cell. The centromere is a uniquely specialized region of the chromosome to which spindle fibers attach during cell division.
CEPH: The Centre d’Etudes du Polymorphisme Humain (CEPH), an internationally renowned research laboratory created in Paris in 1984 by Professor Jean Dausset (Nobel Prize, Medicine and Physiology, 1980) to provide the scientific community with resources for human genome mapping. Also known as the Foundation Jean Dausset-CEPH.
- Cephalgia, histamine
Cephalgia, histamine: A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common pattern of cluster headache is termed “episodic” and is characterized by 1-3 short attacks of pain each day around the eyes, clustered over a stretch of 1-2 months, followed by a pain- free breathing period (average: a year). […]
Cephalic: Relating to the head or the head end of the body. Situated on, in, or near the head. Cephalic is synonymous with cranial, relating to the cranium or head. The word “cephalic” came from the Middle French “cephalique,” from the Latin “cephalicus”, from the Greek “kephalikos” meaning head.