Root sheath
# 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
