| chordal | Relating to any chorda or cord, especially to the notochord. (05 Mar 2000) |
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| chordata | A phylum of the animal kingdom comprising all the animals that have a notochord (the primitive axis of the body) during some stage of their development. It includes the subphyla cephalochordata, urochordata, and vertebrata (vertebrates). (12 Dec 1998) |
| chordate | An animal of the phylum Chordata. (05 Mar 2000) |
| chordee | 1. Painful erection of the penis in gonorrhoea or Peyronie's disease, with curvature resulting from lack of distensibility of the corpus cavernosum urethrae. Synonym: gryposis penis, penis lunatus. 2. Ventral curvature of the penis, most apparent on erection, as seen in hypospadias due to congenital shortness of the ventral skin and, on rare occasions, in patients with a normally situated meatus. Origin: Fr. Corded (05 Mar 2000) |
| chorditis | Inflammation of a cord; usually a vocal cord. Origin: G. Chorde, cord, + -itis, inflammation Chorditis vocalis inferior, an inflammation limited mainly to the undersurface of the vocal cords and adjacent parts. Synonym: chronic subglottic laryngitis. (05 Mar 2000) |
| chordoma | <radiology> Tumour of notochord remnants, site: sacrum (45%), clivus (39%), spine, destruction, no sclerosis, with or without calcification (30-80%) see also: para-sellar mass (12 Dec 1998) |
| chordopoxvirinae | A subfamily of the family poxviridae, containing eight genera comprising all the vertebrate poxviruses. (12 Dec 1998) |
| chordoskeleton | The part of the embryonic skeleton that develops in conjunction with the notochord. (05 Mar 2000) |
| chordotomy | Any operation on the spinal cord. (12 Dec 1998) |