Root sheath

Root sheath
Transverse section of hair follicle.
Gray's subject #234 1068

The inner or epidermic coat of the hair follicle is closely adherent to the root of the hair, and consists of two strata named respectively the outer and inner root sheaths;

Contents

Outer Root Sheath

The outer root sheath corresponds with the stratum mucosum (Stratum germinativum and Stratum Spinosum)[1] of the epidermis, and resembles it in the rounded form and soft character of its cells; at the bottom of the hair follicle these cells become continuous with those of the root of the hair.

Inner Root Sheath

The inner root sheath consists of

The term "trichilemmal" refers to the outer root sheath.[2]

References

  1. ^ The Common Integument - Gray's Anatomy of the Human Body - Yahoo! Education
  2. ^ trichilemmal: Definition and Much More from Answers.com

External links

Skin
Skin fields
Head
campus frontalis, campus parietalis, campus occipitalis, campus temroralis, campus facialis (campus orbitalis, campus nasalis, campus oralis, campus mentalis, campus infraorbitalis, campus buccalis, campus zygomaticus)
Neck
campus cervicalis anterior (campus submandibularis, campus caroticus, campus omotrachealis, campus submentalis), campus sternocleidomastoideus, campus cervicalis posterior (campus omoclavicularis), campus nuchalis
Chest
campus presternalis, campus clavipectoralis, campus pectoralis verus, campus mammarius, campus inframammarius, campus axillaris
Abdomen
campus hypochondriacus, campus epigastricus, campus abdominalis lateralis, campus umbilicalis, campus inguinalis, campus hypogastricus
Perineum
campus analis, campus urogenitalis
Subcutaneous tissue
Adnexa
Root sheath

M: INT, SF, LCT

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M: SKA

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