What's the difference between skin and ulcer?

Skin


Definition:

  • (n.) The external membranous integument of an animal.
  • (n.) The hide of an animal, separated from the body, whether green, dry, or tanned; especially, that of a small animal, as a calf, sheep, or goat.
  • (n.) A vessel made of skin, used for holding liquids. See Bottle, 1.
  • (n.) The bark or husk of a plant or fruit; the exterior coat of fruits and plants.
  • (n.) That part of a sail, when furled, which remains on the outside and covers the whole.
  • (n.) The covering, as of planking or iron plates, outside the framing, forming the sides and bottom of a vessel; the shell; also, a lining inside the framing.
  • (v. t.) To strip off the skin or hide of; to flay; to peel; as, to skin an animal.
  • (v. t.) To cover with skin, or as with skin; hence, to cover superficially.
  • (v. t.) To strip of money or property; to cheat.
  • (v. i.) To become covered with skin; as, a wound skins over.
  • (v. i.) To produce, in recitation, examination, etc., the work of another for one's own, or to use in such exercise cribs, memeoranda, etc., which are prohibited.

Example Sentences:

  • (1) The catheter must be meticulously fixed to the skin to avoid its movement.
  • (2) Elements in the skin therefore seemed to enhance nerve regeneration and function.
  • (3) This is a fascinating possibility for solving the skin shortage problem especially in burn cases.
  • (4) Blood flow decreased immediately after skin expansion in areas over the tissue expander on days 0 and 1 and returned to baseline levels within 24 hours.
  • (5) These findings suggest that clonidine transdermal disks lower blood pressure in hypertensive patients, but produce local skin lesions and general side effects.
  • (6) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
  • (7) Immunofluorescent staining for HLA-DR showed dermal positivity in 12 of 13 involved- and 9 of 13 uninvolved-skin biopsy specimens from scleroderma patients, compared with only 1 of 10 controls.
  • (8) Blood flow was measured in leg and torso skin of conscious or anesthetized sheep by using 15-micron radioactive microspheres (Qm) and the 133Xe washout method (QXe).
  • (9) A similar interference colour appeared after incubating sections of rat skin with chymase.
  • (10) Peptides from this region bind to actin, act as mixed inhibitors of the actin-stimulated S1 Mg2(+)-ATPase, and influence the contractile force developed in skinned fibres, whereas peptides flanking this sequence are without effect in our test systems.
  • (11) This study was designed to examine the effect of the storage configuration of skin and the ratio of tissue-to-storage medium on the viability of skin stored under refrigeration.
  • (12) Somatostatin-like immunoreactivity has been found to occur in nerve terminals and fibres of the normal human skin using immunohistochemistry.
  • (13) We recommend analysing the urine for porphyrins in HIV-positive patients who have chronic photosensitivity of the skin.
  • (14) We investigated the incidence of skin cancer among patients who received high doses of PUVA to see whether such incidence increased.
  • (15) Attachment of the graft to the wound is similar with and without the addition of human basic fibroblast growth factor, a potent angiogenic agent, to the skin replacement before graft placement on wounds.
  • (16) In order to develop a sampling strategy and a method for analyzing the circadian body temperature pattern, we monitored estimates of the temperature in four ways using rectal, oral, axillary and deep body temperature from the skin surface every hour for 72 consecutive hours in 10 normal control subjects.
  • (17) It was shown that the antibiotic had low acute toxicity, did not cumulate and had no skin-irritating effect.
  • (18) Compliance during dehydration was 7.6 and 12.5% change in IFV per millimeter Hg fall in IFP (micropipettes) in skin and muscle, respectively, whereas compliance in subcutis based on perforated capsule pressure was 2.0% change in IFV per millimeter Hg.
  • (19) For the second propositus, a woman presenting with abdominal and psychiatric manifestations, the age of onset was 38 years; the acute attack had no recognizable cause; she had mild skin lesions and initially was incorrectly diagnosed as intermittent acute porphyria; the diagnosis of variegate porphyria was only established at the age of 50 years.
  • (20) 14 patients with painful neuroma, skin hyperesthesia or neuralgic rest pain were followed up (mean 20 months) after excision of skin and scar, neurolysis and coverage with pedicled or free flaps.

Ulcer


Definition:

  • (n.) A solution of continuity in any of the soft parts of the body, discharging purulent matter, found on a surface, especially one of the natural surfaces of the body, and originating generally in a constitutional disorder; a sore discharging pus. It is distinguished from an abscess, which has its beginning, at least, in the depth of the tissues.
  • (n.) Fig.: Anything that festers and corrupts like an open sore; a vice in character.
  • (v. t.) To ulcerate.

Example Sentences:

  • (1) Calcium alginate dressings have been used in the treatment of pressure ulcers and leg ulcers.
  • (2) We evaluated the circadian pattern of gastric acidity by prolonged intraluminal pHmetry in 15 "responder" and 10 "nonresponder" duodenal ulcer patients after nocturnal administration of placebo, ranitidine, and famotidine.
  • (3) Exudative inflammatory processes predominate in the ulcer floor.
  • (4) In the past 6 years 26 patients underwent operation for recurrent duodenal ulcer after what was considered to be an "adequate" initial operation.
  • (5) Systemic corticosteroids (i.e., prednisone, prednisolone or methylprednisolone) have improved the survival rate of patients with moderate and severe ulcerative colitis.
  • (6) A leg ulcer in a 52-year-old renal transplant patient yielded foamy histiocytes containing acid-fast bacilli subsequently identified as a Runyon group III Mycobacterium.
  • (7) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
  • (8) Serum pepsinogen 1, serum gastrin, ABO blood groups, secretor status of ABH blood group substances and behavioral factors were studied in 15 patients with duodenal ulcer and 61 their relatives affected and unaffected to duodenal ulcer.
  • (9) Local injections of contrykal into the ulcer had inhibited proteinase activity and had a positive therapeutic effect.
  • (10) For that reason we determine basal serum pepsinogen I (PG I) levels in 25 ulcerous patients and 75% of their offspring and to a control group matched by age and sex.
  • (11) Useful studies on the relationship between these acute lesions and peptic ulceration are rare.
  • (12) A neodymium YAG (Nd:YAG) laser was evaluated in a dog ulcer model used in the same manner as is recommended for bleeding patients (power 55 W, divergence angle 4 degrees, with CO2 gas-jet assistance).
  • (13) The ulcers on seven of ten legs (70%) treated with Unna's boots and on 10 of 14 legs (71%) treated with elastic support stocking healed.
  • (14) In the controlled wound care group, only three ulcers in three patients achieved complete healing; the remaining 24 ulcers in 20 patients failed to achieve even 50% healing in the stipulated 3-month period.
  • (15) To investigate the possibility that an abnormality of gastric emptying exists in duodenal ulcer and to determine if such an abnormality persists after ulcer healing, scintigraphic gastric emptying measurements were undertaken in 16 duodenal ulcer patients before, during, and after therapy with cimetidine; in 12 patients with pernicious anemia, and in 12 control subjects.
  • (16) The pathomechanism, how C. pylori facilitates the development of peptic ulcer is since hypothetical.
  • (17) Three types of responses were observed: group A, no inhibition of gastric acid secretion occurred in 17 (40%) ulcer patients and in three (18%) controls (p less than 0.05); group B, inhibition of gastric acidity occurred in seven (16%) ulcer patients and in 12 (71%) controls (p less than 0.05), and group C, retarded gastric acid inhibition occurred in 19 (44%) duodenal ulcer patients and in 2 (12%) controls (p less than 0.05).
  • (18) Nine patients with duodenal ulcer were studied before and 2--3 months after proximal gastric vagotomy (PGV).
  • (19) In group III, multiple confluent ulcers were produced in the cheek pouch on one side, with a single ulcer in the contralateral cheek pouch; no drug was applied, and the tissues were prepared for histology.
  • (20) Gastric metaplasia was present in only 8% of 48 bulbar ulcer cases.