Root sheath

Root sheath may refer to any of these biological structures:


 * Epithelial root sheath, a proliferation of epithelial cells located at the cervical loop of the enamel organ in a developing tooth
 * Root sheath (hair), at the base of a hair follicle
 * Inner root sheath
 * Outer root sheath
 * Seed root sheath, root sheaths in the seeds of plants