What's the difference between dermatitis and dermis?

Dermatitis


Definition:

  • (n.) Inflammation of the skin.

Example Sentences:

  • (1) Since 1887, winter green is claimed to have caused dermatitis and to have been responsible for "idiosyncrasy".
  • (2) Allergic photocontact dermatitis developed in a patient to a commercial sunscreen preparation containing para-aminobenzoic acid (PABA) in an alcohol base.
  • (3) We retrospectively studied the incidence and course of epoxy resin contact dermatitis in 2265 patients in whom contact dermatitis was confirmed by patch testing.
  • (4) Recurrence of the dermatitis one day after amalgam dental fillings had been made and again one year later, this time without new fillings, raised the possibility that it was due to the old amalgam fillings.
  • (5) Patch and photopatch tests with fibric acid derivatives and ketoprofen were performed in the patients, in 12 normal volunteers, and in 7 patients with photopatch-proven photocontact dermatitis to ketoprofen.
  • (6) The purpose of this study was to develop a new model for the induction of chronic irritant contact dermatitis, which would reflect well the conditions of daily practice.
  • (7) There is no previous report of a subcutaneous leiomyosarcoma developing in radiation dermatitis.
  • (8) Three hundred sixty five children and hundred thirty nine adults with atopic dermatitis were divided into three groups.
  • (9) A case of bullous disease in a child with linear IgA immune deposits at the basement membrane zone and with some clinical, histological, and electron microscopic characteristics both of dermatitis herpetiformis and bullous pemphigoid, is described.
  • (10) This suggests that common food additives are seldom if ever of significance as precipitating factors in chronic urticaria or atopic dermatitis.
  • (11) Skin diseases of the udder include viral infections, mange, sunburn, wounds, and staphylococcal dermatitis.
  • (12) Pompholyx (Dyshidrosis) is a disease of unknown etiology presenting as symmetrical, vesicular hand and foot dermatitis.
  • (13) Two patients who had had idiopathic steatorrhoea for several years developed typical eruptions of dermatitis herpetiformis.
  • (14) Involved and uninvolved psoriatic epidermal cells showed a fourfold decrease in the number of 12-HETE binding sites as compared with normal healthy individuals and patients with atopic dermatitis, while receptor affinity remained unchanged.
  • (15) The work of others has confirmed that increased amounts of total and antigen-specific IgG4 occur in atopic dermatitis, and it is concluded that IgG4 is a blocking antibody for anaphylactic sensitization responses.
  • (16) This retrospective study of forty-six patients with stasis dermatitis found a 60.9 percent incidence of at least one significantly positive patch test reaction.
  • (17) Skin biopsies for immunofluorescent studies were taken from patients with contact dermatitis (positive patch tests), atopic dermatitis and allergic vasculitis for comparison with normal-appearing skin from the same patients, and from healthy controls.
  • (18) In a cross-sectional study of 144 slaughterhouse workers, a cumulative prevalence of current and anamnestic cases of protein contact dermatitis of 22% was found, with the highest prevalence in workers eviscerating and cleansing gut.
  • (19) Some foot-pad dermatitis was still observed in poults fed levels of methionine more than adequate to meet the requirements for optimum growth and feed efficiency.
  • (20) Thus, a cosmetic-induced berlock dermatitis was suspected.

Dermis


Definition:

  • (n.) The deep sensitive layer of the skin beneath the scarfskin or epidermis; -- called also true skin, derm, derma, corium, cutis, and enderon. See Skin, and Illust. in Appendix.

Example Sentences:

  • (1) As with alloplastic orbital implant extrusions in enucleated sockets, autogeneous dermis fat grafts can be useful in managing extrusions in previously eviscerated sockets.
  • (2) It increased linearly in both the epidermis and dermis, reaching nearly 100% 24 hr following its injection on Day 8.
  • (3) Thinning of the dermis and the arrangement of collagen in parallel bundles appear to be constant findings.
  • (4) These injections led to epidermal hyperplasia in areas overlying the irritant and the effect was most significant when the irritant was placed in the upper dermis.
  • (5) The dermis from the more severely injured skin of both groups showed a homogeneous appearance ("necrosis").
  • (6) Applied atelocollagen was histopathologically compared with applied lyophilized porcine dermis (LPD) and controls in rats, with regard to the time course of healing.
  • (7) First, vasculitis extending deep into the reticular dermis or subcutaneous tissue seemed to be associated more often with systemic disease such as malignancy or connective tissue disease.
  • (8) Histologic examination of biopsy specimens from the involved area of skin revealed the presence of inflammatory cell infiltrates and various degrees of collagen accumulation in the dermis, subcutis, fascia, and underlying muscle.
  • (9) The biopsy findings consisted of eosinophilic individual necrosis of epidermal cells, satellite cell necrosis, basal liquefaction degeneration, and scanty cell infiltration into the dermis.
  • (10) Ten tissue sections from 10 examples of Bowen's disease were excised from paraffin blocks, rehydrated, and incubated in 90% formic acid at 45 degrees C for 18 h. The epidermis was gently removed with the aid of a dissecting microscope, and the remaining dermis with attached basal lamina was processed for scanning electron microscopy.
  • (11) Monoclonal antibody studies performed on biopsy specimens from both patients revealed 70% to 100% cells staining with CD5, 80% to 90% staining with CD4, 30% to 50% staining with CD8, and an increase in CD1-staining cells in the papillary dermis, indicating a predominantly helper T-cell infiltrate.
  • (12) The pathologic findings were dominated by lymphocytic inflammation around centrally placed follicles evolving to follicular necrosis that extended to the perifollicular epidermis and dermis.
  • (13) Similar vacuoles were also observed in the epidermal intercellular spaces and within the dermis.
  • (14) Acitretin flux through tape-stripped monkey skin and dermis was only slightly higher than through intact skin.
  • (15) Two had multiple nodules and the third had a single, recurrent lesion in the dermis or subcutis of the distal extremities.
  • (16) The increase of PGD synthetase activity in 3-week-old rats was mainly due to the increase of specific activity of PGD synthetase in the epidermis, which was separated from the dermis by heat treatment (55 degrees C, 30 s).
  • (17) This collagen appeared present throughout the whole dermis with slight variations at 4 months, where there was less extracellular collagen near the hair bulbs.
  • (18) The key assumptions are (1) that the target site is in the lower epidermis (basal layer) or in the dermis, and (2) that it is the thermodynamic activity (i.e., the free drug concentration, C*, of the active drug species) at the target site that is the true correlate of drug effectiveness.
  • (19) In initial lesions, CD1a+ cells represent up to 50-60% of the infiltrating cells of the dermal compartment, in several cases being preferentially localized in the upper part of the papillar dermis close up to the epidermal CD1a+ cells in basal position, whereas in chronic psoriasis they represent less than 10%.
  • (20) An antiserum raised in Rabbits against brain glycoprotein precipitated an identical antigen in faetal dermis and intestine extracts, and also in non nervous tumors (breast adenocarcinomas and adenofibromas, ovarian cystadenoma, gastric and colonic adenocarcinomas, hepatomas, malignant melanomas, rhabdomvosarcoma, fibrosarcomas).

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