Canadian Medical Guide > Anatomy > Embryonic Structures > Embryo > Notochord Terms and Definitions
Notochord
Medical Definition: | The rod-shaped body, composed of cells derived from the mesoblast and defining the primitive axis of the embryo. In lower vertebrates, it persists throughout life as the main axial support of the body, but in higher vertebrates it is replaced by the vertebral column. |
Guide Notes: | read MeSH definition |
Previously Indexed: | Chick Embryo (1966-1978),Embryo (1966-1978) |
Notochord Medical Definitions and Terms
|
Wildlife On Video »
Canada's Great Outdoors
Tour Canadian Rockies »
Book Banff »
Book Jasper »
Maligne Lake Boat Cruise »
Gondola Banff »
Hike Jasper »
Jasper Columbia Icefield »