- chordal sheath
- notochordal s.
Medical dictionary. 2011.
chordal sheath
Look at other dictionaries:
arch-centra — vertebral centra formed by the growth of the arcualia around the notochord external to the chordal sheath and which fuse to form annual segments which become biconcave centra. Found in Teleostei … Dictionary of ichthyology
chordacentrum — the vertebral centrum formed by the conversion of the chordal sheath into a series of ring like cartilaginous segments around the notochord and subsequently biconcave discs. The bases of the neural and haemal arches abut the chordacentrum. Found… … Dictionary of ichthyology
Notochord — Transverse section of a chick embryo of forty five hours’ incubation. Latin notochorda Gray s … Wikipedia
