(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).
Hypodermic
Definition:
(a.) Of or pertaining to the parts under the skin.
Example Sentences:
(1) Using a special electromyographic hypodermic needle, we injected botulinum A toxin into one of the vocal folds of two patients with severe spasmodic dysphonia.
(2) DMH4P and the tryptophane have an inhibitrice influence on the melanisation, probably by the increase of the synthesis or the release of serotonin, in the hypoderm.
(3) The objective of this study was to investigate the biological substrate of radioactive pathways of migration of hypodermically injected 99mTc into points of low electrical resistance.
(4) No specific isolation precautions were used other than separate collection of hypodermic needles.
(5) The device can be used to locate a hypodermic needle at a distance of 50-90 mm, a sewing needle at 60-122 mm, a routine 7.62-mm bullet at 90 mm and a 5.6-mm bullet at 105 mm.
(6) Other routes of transmission are by contaminated hypodermic needles, prenatal infection, and infected blood transfusions.
(7) During the feeding period hypodermal cells greatly increase in volume and the elements of granular endoplasmic reticulum and metachondria increase in number.
(8) A hypodermic needle is inserted into the specimen through the abnormality immediately following specimen radiography, removing the need to radiograph individual tissue slices.
(9) Vibrio vulnificus protease enhanced hypodermic vascular permeability when injected into the dorsal skin of a guinea pig.
(10) A mercury-in-glass manometer (sphygmomanometer) is used to measure the gas pressure proximal to a flow restrictor (consisting of a hypodermic needle hub) and it is this pressure head which, for a given gas, dictates the flow produced.
(11) The catheter balloons were punctured by pricking with a hypodermic needle.
(12) The extreme morphological complexity of the Dina spermatozoon is related to the peculiar hypodermal fertilization which characterizes the erpobdellid family.
(13) To maintain the level of analgesia, the oral use of morphine at four-hour internals is required, or continuous hypodermic administration by means of a syringe driver is quite ideal.
(14) Three morphologically distinct rickettsial forms were observed in individual hypodermal cells: (i) typical growth forms with a finely reticulated cytoplasmic matrix and distinct ribosomes; (ii) atypical forms with lightly to densely staining cytoplasm and a coagulated appearance in which ribosomes cannot be distinguished from the matrix; and (iii) forms with crystalline bodies that have a striated to beaded lattice structure and, at times, a fibrillar body in the cytoplasm as well.
(15) The effects of mutations in these four genes on dauer larva formation have revealed that they regulate two different processes of dauer larva formation: (1) a decision specifying the larval stage at which dauer larva development initiates, and (2) the specialized differentiation of hypodermal cells during dauer larva morphogenesis.
(16) This presented case is a peculiar one on the view-point of occurrence in the central nervous system among the familial hypodermic manifestation on the extremities and coexistence of retinal vascular anomaly.
(17) Aside from lymphedema, venous insufficiency, hypodermitis and leg ulcers may also benefit from pressure-therapy.
(18) The hypodermis cuticle prepared in this manner incorporated radiolabeled amino acids into cuticular and hypodermal proteins; incorporation was inhibited by protein synthesis inhibitors.
(19) Among these, the magnetic resonance examination (data referred to a 0.5 T apparatus) allowed a precise morphological differentiation of the penile covering tissues, such as outer skin, dartos tunica and hypodermal connective; the vascular characterization of cavernous tissue, belonging to corpora cavernosa and spongiosum urethrae, of deep arteries and superficial dorsal vein(s); the resolution of the albuginea and the identification of the urethral lumen.
(20) First instar larvae X-rayed in from 0 to 100% oxygen demonstrated the existence of an oxygen effect for somatic recombination in the cells which form the abdominal hypoderm.