columella

n.

螺的轴柱，壳轴，小柱；

复数：columellae

Preoperative columella lengthening in bilateral cleft lip and palate.
Demonstration of prominent actin filaments in the root columella
Gravity-Regulated Differential Auxin Transport from Columella to Lateral Root Cap Cells
Plastid position in Arabidopsis columella cells is similar in microgravity and on a random-positioning machine.
Plastid position in Arabidopsis columella cells is similar in microgravity and on a random-positioning machine.
Amyloplast sedimentation dynamics in maize columella cells support a new model for the gravity-sensing apparatus of roots
Changes in Cytosolic pH within Arabidopsis Root Columella Cells Play a Key Role in the Early Signaling Pathway for Root Gravitropism
Calcium Movement, Graviresponsiveness and the Structure of Columella Cells and Columella Tissues in Roots of Allium cepa L.
CALCIUM MOVEMENT, GRAVIRESPONSIVENESS, AND THE STRUCTURE OF COLUMELLA CELLS IN PRIMARY ROOTS OF AMYLOMAIZE MUTANTS OF ZEA MAYS
Ottenslager, I. et al. Gravity-regulated differential auxin transport from columella to lateral root cap cells. Proc. Natl Acad. Sci...