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The preservation of Hertwig's epithelial root sheath (HERS)
5 In normal skin CD10 immunostainting is present in sebaceous glands, myoepithelial cells of eccrine and apocrine glands, periadnexal dermis, and inner root sheath cells of vellus hair follicles and occasional endothelial cells.
Majority of palato gingival grooves affect maxillary lateral incisors and may result from an infolding of the enamel organ and Hertwig's epithelial root sheath (HERS).
As we expected, Gn[alpha]s protein was mainly expressed in the root sheath and dermal papilla of hair follicles (Figure 4A and 4B).
Then under magnifying glass the hair bulb is cue and cylinder shaped root sheath is separated from the shaft.
Their biroot formation, begins between 9 and 10 months postnatally, it may result from an enhanced expressivity of the gene initiating differential growth of Hertwig's epithelial root sheath in multirooted teeth.
In addition, orthokeratosis, follicular plugging, wedge-shaped hypergranulosis of the infundibulum, vacuolar changes of the basal layer of the outer root sheath and necrotic keratinocytes are seen.
The new graft material, known as EpiDex, is developed by Modex Therapeutiques, Lausanne, Switzerland, by isolating epidermal keratinocyte precursor cells from the follicular outer root sheath and then culturing and processing the cells into an epidermal equivalent.
Hair casts, or pseudonits, are remnants of the inner root sheath of the hair follicle.
In one approach, researchers remove a few hair follicles from human skin and extract from each follicle about 10,000 outer root sheath (ORS) cells, which surround the hair root.