The outer root sheath or external root sheath of the hair follicle encloses the inner root sheath and hair shaft.[1]
It is continuous with the basal layer of the interfollicular epidermis (skin).
^James, William; Berger, Timothy; Elston, Dirk (2005) Andrews' Diseases of the Skin: Clinical Dermatology (10th ed.). Saunders. Page 8. ISBN 0-7216-2921-0.
The inner rootsheath or internal rootsheath of the hair follicle is located between the outerrootsheath and the hair shaft. It is made of three layers:...
cutaneous neoplasm that shows differentiation toward cells of the outerrootsheath.: 673 The lesion is often seen in the face and neck region. Multifocal...
The Hertwig epithelial rootsheath (HERS) or epithelial rootsheath is a proliferation of epithelial cells located at the cervical loop of the enamel organ...
well as long guns, such as rifles and shotguns. The outer covering of an electrical cable Debye sheath, a layer of a plasma in physics Heliosheath, the region...
the outermost layer of the hair fiber. The bulge is located in the outerrootsheath at the insertion point of the arrector pili muscle. It houses several...
which are spikes of fused keratin that seem to protrude through the outerrootsheath to the vitreous layer that creates a type of 'fiery' effect — appear...
scientists have experimented on. The hair follicles are localized to the outerrootsheath during one of the phases of the hair growth cycle. Such experiments...
of outerrootsheath of an loose anagen hair would display malformations and weak linkage in the cells within the epithelium of the outerrootsheath. This...
melanoblast. In adults, stem cells are contained in the bulge area of the outerrootsheath of hair follicles. When a hair is lost and the hair follicle regenerates...
simply matrix, produces the actual hair shaft as well as the inner and outerrootsheaths of hair. James, William; Berger, Timothy; Elston, Dirk (2005) Andrews'...
structurally weakens the companion layer separating the inner and outerrootsheath and increases the chances that a beard hair will in-grow. The most...
Uneven growth of the outerrootsheath cells is the source of hair twisting in hereditary forms. The hair shaft and inner rootsheath are unevenly molded...
apoplastic barrier (present at the outer cell layers of roots) which prevents toxic compounds from entering the root and reduces radial oxygen loss (ROL)...
along their paths out of the vertebral canal which become the dural rootsheaths. The lumbar cistern is part of the subarachnoid space. It is the space...
vitro. Neutralizing antibody against DKK-1 reversed DHT effects on outerrootsheath keratinocytes. DKK-1 expression is attenuated by L-threonate in vitro...
distributed over the skin surface where it lubricates and waterproofs the outer layer of the skin, the stratum corneum. Defensins are substances that are...
cells wrap around axons of motor and sensory neurons to form the myelin sheath. The Schwann cell promoter is present in the downstream region of the human...
by an increase in length. Other theories involve Hertwig epithelial rootsheath (HERS) being involved. Thus cementoblasts resemble bone-forming osteoblasts...
botany, a seed is a plant embryo and food reserve enclosed in a protective outer covering called a seed coat (testa). More generally, the term "seed" means...
potatoes, bare patch of cereals, root rot of sugar beet, belly rot of cucumber, banded leaf and sheath blight in maize, sheath blight of rice, and many other...
Coleoptile is the pointed protective sheath covering the emerging shoot in monocotyledons such as grasses in which few leaf primordia and shoot apex of...
is expressed ectopically, within transgenic mice the hair follicle outerrootsheath (ORS) the proliferation of the cell matrix is inhibited. BMP4 also...
disappear and only the basal layers are left creating Hertwig's epithelial rootsheath (HERS). At this point it is usually referred to as HERS instead of the...