The notochord is unconstricted, but the neural and haemal arches are well-developed, and the neural spines are long and slender.
The notochord is persistent and unconstricted, and the limbs are archipterygia.
Deep, unconstricted bedrock channels and basins with weak currents occur in mid-Bay and the west inlet.
The notochord is persistent and unconstricted, its sheath is membranous, but cartilaginous neural and haemal arches are developed.
The unconstricted portion of the notochord, which persists in each vertebra, becomes in part converted into cartilage.
early 15c., from Latin constrictus, past participle of constringere "compress" (see constrain). A direct borrowing from Latin of the same word which, via French, became constrain. Related: Constricted; constricting.
constrict con·strict (kən-strĭkt')
v. con·strict·ed, con·strict·ing, con·stricts
To make smaller or narrower especially by binding or squeezing.