(v. t.) The outer, nonsensitive layer of the skin; cuticle; scarfskin. See Dermis.
(v. t.) The outermost layer of the cells, which covers both surfaces of leaves, and also the surface of stems, when they are first formed. As stems grow old this layer is lost, and never replaced.
Example Sentences:
(1) The observed staining indicated that the epithelium of the external auditory meatus has a pattern of keratin expression typical of epidermis in general and the epithelium of the middle ear resembles simple columnar epithelia.
(2) A comparison between TPA and cytokeratins was also made by immunoblotting which revealed immunoreactivity of antibodies to TPA with cytokeratin polypeptides of different species (man, mouse) and organs (epidermis, liver), particularly with the cytokeratin component 8 of human liver and the related component A of mouse liver.
(3) The enzyme profile of the epidermis was investigated in relation to depth.
(4) It increased linearly in both the epidermis and dermis, reaching nearly 100% 24 hr following its injection on Day 8.
(5) UVB irradiation augmented the beta-adrenergic adenylate cyclase response of pig skin epidermis in vitro.
(6) The kinetics of both the solube and particulate enzymes from epidermis of some elderly patients with either diabetes or ischaemia showed some differences from the kinetics of enzymes from healthy epidermis from younger individuals.
(7) These results indicate that uninvolved psoriatic epidermis has an increased capacity to metabolize free AA into 12-lipoxygenase products.
(8) Besides the rough, wrinkled, and brown or black surface of the fingertips, microwrinkles of the epidermis occur on the skin ridges, which have so far not been described.
(9) At an ultrastructural level, 15-1 immunogold-labeling in the epidermis was confined to the surface of cells exhibiting Birbeck granules.
(10) The synthesis of uPA as a precursor with reduced enzymatic activity as well as decreased affinity for inhibitors is likely to be a mechanism by which normal epidermis regulates plasminogen activation in vivo.
(11) The bone marrow derivation of dThy-1+EC is now well established: dThy-1+EC carry Ly-5 determinants whose expression is restricted to cells of the hemopoietic differentiation pathway, and studies using Thy-1-disparate radiation bone marrow chimeras have revealed the presence of donor-type Thy-1+ cells within the epidermis; by immunoelectron microscopy, these cells represent dThy-1+EC.
(12) Exposure of neutrophils to AS resulted in deactivation to AS but not to Escherichial coli or Staphylococcus epidermis culture filtrate.
(13) The delta-PKC-like kinase of mouse epidermis (p82-kinase) was down-regulated after topical application of 12-O-tetradecanoylphorbol-13-acetate (TPA) to mouse skin.
(14) The purpose of this report is to present the kinetics of reduction of epidermal mass following the production of the epidermal hyperplasia as the epidermis returns to its normal thickness during the period of regression.
(15) Immunoreactivity was restricted to the periderm and intermediate layers of fetal epidermis at 55 d of gestation, when the first wave of wool follicles are initiated.
(16) In hatched larvae around developmental stage 46, strong expression of 2NI-36 was observed in several tissues including the vascular endothelium, the pigmented epithelium and the inner layer of skin epidermis.
(17) Our results show that two major types of terminally differentiating keratinocytes can be distinguished in human epidermis, i.e.
(18) This results suggest the presence of structural abnormalities in epidermis of EB simplex.
(19) By contrast, epidermal Langerhans cell (LC) HLA-DR and T6 expressions in normal epidermis were greatly reduced by an identical dose of UVB.
(20) This calcium-binding protein was not in skin epidermis, but was confined to the dermal layer.
Epidermoid
Definition:
(a.) Like epidermis; pertaining to the epidermis.
Example Sentences:
(1) The authors report a case of epidermoid tumor of the lateral ventricle.
(2) In invasive epidermoid carcinoma, the accuracy with the self-collected specimens approached the physician-scraped specimens.
(3) Besides, it showed a high number of plasma cells secreting IgA in the stroma of the 2 tumours, the ultrastructural study performed on the epithelioma also demonstrated some similarities between epitheliomatous cells and epithelial cells of cystadenolymphomas (outlined epidermoid or glandular differentiation, numerous mitochondria).
(4) A case of epidermoid tumor of the sacral area with S3 root irritation resulting in bladder dysfunction is presented and its possible relationship to spinal puncture is discussed.
(5) One of the tumours appeared to have an origin in an epidermoid cyst and had a pseudosarcomatous stroma.
(6) The predilection of localization of epidermoid and small cell carcinomas in the upper lobes suggests a possible relationship to tobacco smoke inhalation as these regions have been shown to be more affected by the smoke.
(7) The cytologic features of a primary epidermoid cyst of the brain diagnosed by intraoperative fine needle aspiration cytology are reported.
(8) A case of epidermoid tumor presenting with a painful tic convulsif was reported.
(9) A clinico-pathological study of 10 cases (including histopathology) indicates that occult cholesteatoma is neither a congenital cholesteatoma nor an epidermoid cyst, originating in the attic through a melaplastic process of middle ear mucosa behind an intact tympanic membrane.
(10) Partial ptosis following epibulbar epidermoid removal is a known complication.
(11) The other 2 cases were identified as epidermoid carcinoma or anaplastic carcinoma as desmosome and tonofilaments were found.
(12) In 1 case epidermoid epithelial metaplasia were found in the splenic flexure and in the rectum.
(13) The carcinogenic role of papillomaviruses in animals ans in laboratory experiments supports the theory that these sexually transmissible viruses are involved in the origin of epidermoid cervical carcinoma.
(14) At necropsy, an intramedullary epidermoid cyst was confirmed in the T13 and L1 spinal cord segments.
(15) For this reason, the authors have abandoned the i. a. mode of cytostatic administration in epidermoid oro-facial carcinoma and have adopted systemic application and this in combination with radiation, eventually surgical therapy with the utilization of chemotherapy.
(16) The results of therapy are reported in 296 patients with histologically proven epidermoid carcinoma of the tonsillar fossa; 127 were treated with irradiation alone (5,500 to 7,000 cGy), 133 with preoperative radiotherapy (2,000 to 3,000 cGy) or were initially planned for preoperative irradiation but treated with radiotherapy alone, and 36 with postoperative irradiation (5,000 to 6,000 cGy).
(17) Alternatively, epidermoid carcinoma and mucoepidermoid carcinoma arising centrally within the jaws are often associated with other types of dental cycts.
(18) The five-year survival for epidermoid carcinoma of anus treated by abdominoperineal resection ranges from 40 to 58%.
(19) The authors report on the clinical data, operating technique, postoperative complications, and late results in a series of 31 epidermoid and 21 dermoid cysts of the central nervous system.
(20) The case of man of 32 years with an epidermoid of the left side of the skull is reported.