Exon
Exon: The region of a gene that contains the code for producing protein. Each exon codes for a specific portion of the complete protein. Exons are separated by introns, long regions of DNA that have no apparent function.
Exons are also called coding DNA.
Read Also:
- Exomphalos-macroglossia-gigantism syndrome
Exomphalos-macroglossia-gigantism syndrome: See: Beckwith-Wiedemann syndrome.
- Exonuclease
Exonuclease: An enzyme that cleaves nucleotide bases sequentially from the free ends of a nucleic acid (DNA or RNA).
- Exopeptidase
Exopeptidase: An enzyme that catalyzes the cleavage of the terminal (last) or next-to-last peptide bond from a polypeptide or protein, releasing a single amino acid or dipeptide. By contrast, an endopeptidase catalyzes the cleavage of then internal peptide bonds within a polypeptide or protein.
- Exophthalmos
Exophthalmos: A condition in which the patient has protruding eyeballs, as in Graves disease.
- Exotropia
Exotropia: Divergent gaze. Also known as external strabismus and, pejoratively, walleye.