Convergent extension
= Convergent extension
A <tissue> narrows in one direction and lengthens in another through coordinated <cell> movements, often involving <cell intercalation>. Elongation need not imply increased <tissue> <volume>.
= Convergent extension
A <tissue> narrows in one direction and lengthens in another through coordinated <cell> movements, often involving <cell intercalation>. Elongation need not imply increased <tissue> <volume>.