turn on one's heels

anterior half-sclerotome (or cranial half-scleroto bowman column bleed data-structured couplings database protection Erigeron krylovii fork budding ice nip jumping saddle mast damp meesoglea nonflaking para-chlorophenoxyacetic acid play pipe pseudoadaptation reactor kinetics equations rexall Shiraoi-gawa single-phase alloy wallys