What's the difference between patch and patchy?

Patch


Definition:

  • (n.) A piece of cloth, or other suitable material, sewed or otherwise fixed upon a garment to repair or strengthen it, esp. upon an old garment to cover a hole.
  • (n.) A small piece of anything used to repair a breach; as, a patch on a kettle, a roof, etc.
  • (n.) A small piece of black silk stuck on the face, or neck, to hide a defect, or to heighten beauty.
  • (n.) A piece of greased cloth or leather used as wrapping for a rifle ball, to make it fit the bore.
  • (n.) Fig.: Anything regarded as a patch; a small piece of ground; a tract; a plot; as, scattered patches of trees or growing corn.
  • (n.) A block on the muzzle of a gun, to do away with the effect of dispart, in sighting.
  • (n.) A paltry fellow; a rogue; a ninny; a fool.
  • (v. t.) To mend by sewing on a piece or pieces of cloth, leather, or the like; as, to patch a coat.
  • (v. t.) To mend with pieces; to repair with pieces festened on; to repair clumsily; as, to patch the roof of a house.
  • (v. t.) To adorn, as the face, with a patch or patches.
  • (v. t.) To make of pieces or patches; to repair as with patches; to arrange in a hasty or clumsy manner; -- generally with up; as, to patch up a truce.

Example Sentences:

  • (1) Graft life is even more prolonged with patch angioplasty at venous outflow stenoses or by adding a new segment of PTFE to bypass areas of venous stenosis.
  • (2) The surface phenotypes of bovine intestinal leukocytes isolated from the intraepithelium (IEL), lamina propria (LPL) and Peyer's patches (PPL) of the small intestinal mucosa of normal adult cows were determined using monoclonal antibodies (mAb) specific to adult bovine peripheral blood leukocytes (PBL).
  • (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) A marked analgesic effect was found after application of morphine hydrochloride patch containing Azone and N-methyl-2-pyrrolidone.
  • (5) The internal carotid diameters increased 20% to 30% for both the vein and synthetic patched arteries.
  • (6) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
  • (7) The appointment of the mayor of London's brother, who formally becomes a Cabinet Office minister, is one of a series of moves designed to strengthen the political operation in Downing Street and to patch up the prime minister's frayed links with the Conservative party.
  • (8) 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.
  • (9) Here we report that the increase in the probability of S-channel opening with FMRFamide is mimicked by application of 12-HPETE to cell-free membrane patches that lack ATP and GTP.
  • (10) The effects of alanine, glucose and tolbutamide on insulin-secreting cells (RINm5F) have been investigated using patch-clamp and single cell intracellular Ca2+ measurements.
  • (11) Trichophytosis (T. equinum) is characterized as typical numerous small and round patches, covered by small, bran-like, asbestos-coloured scales.
  • (12) The distributions of the probabilities of seeing N channels open in multichannel patch records were not not always well fitted by the binomial distribution: it is suggested that adjacent channels could have different probabilities of being open.
  • (13) We observed a significant content of ELCF in three of seven patients with eczema prior to patch testing.
  • (14) Primary closure without a patch was associated with the least platelet uptake of all (PTFE versus vein patch, P less than 0.01; PTFE versus no patch, P less than 0.01; vein patch versus no patch, P less than 0.05).
  • (15) The channels usually ceased conducting within a few minutes after seal formation with the patch pipette and could not be re-activated with depolarizing voltage steps.
  • (16) Rupture of an attached patch was followed by a rapid (approximately 10 s), approximately 10-fold increase in outer-segment membrane current, all of which was light-sensitive.
  • (17) Five different surgical procedures were done: internal urethrotomy, Johanson-Leadbetter, patch-graft, Turner-Warwich, and dismembered technics.
  • (18) 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.
  • (19) However, safe management of large duodenal defects may require the use of other methods, such as a serosal patch or creation of a duodenojejunostomy.
  • (20) Furthermore, clonidine can abolish, in reversible fashion, the acetylcholine-activated inward current determined with patch-clamp.

Patchy


Definition:

  • (a.) Full of, or covered with, patches; abounding in patches.

Example Sentences:

  • (1) Cytochrome oxidase histochemistry revealed patchy patterns of the enzyme activity in transverse sections through the caudal part of the ventral subnucleus of the principal sensory trigeminal nucleus, interpolar spinal trigeminal nucleus, and layer IV of the caudal spinal trigeminal nucleus in the cat.
  • (2) RCA-1, which is specific for D-galactose, showed patchy fluorescence on the basal and distal portions of the outer segments of the cones and rods, whereas neuraminidase-treated sections had uniform fluorescence throughout the tissues.
  • (3) These leiomyomas differ from those seen in pregnancy in their cellularity, patchy hemorrhage, and edema.
  • (4) The case seemed to be best classified as the patchy demyelination type, but the most unusual finding was a prominent vasculature in some demyelinated areas.
  • (5) Intestinal amyloid deposits, present 16 months before the clinical diagnosis of amyloidosis, were patchy and seen predominantly in the intestinal mucosa.
  • (6) But the unvaccinated child or children left behind are not the only ones at risk in a complicated and patchy effort to control the number of wild poliovirus cases found in Pakistan, which shot up from 58 in 2012 to 306 last year .
  • (7) Nor – despite today's declaration that the three-day meeting had been a resounding success – was there more than patchy progress.
  • (8) Necrosis was patchy in Glioma 522 and Mel-mo, but predominantly central in B16 and Lewis lung tumour.
  • (9) In the methylprednisolone group, 14 dogs had no adhesions; one had filmy adhesions; and none had dense patchy or dense diffuse adhesions.
  • (10) No other epithelia showed signs of L1 production, although occasional patchy uptake was indicated, particularly in kidney tubular epithelium.
  • (11) In the nucleus accumbens and ventral putamen (ventral striatum), a patchy distribution of beta 1 receptors was observed that was not evident in the rat.
  • (12) About one half of the patients showed in MR-images diffuse or patchy areas of decreased signal intensity in the regions of the bone marrow, while the bone marrow of the volunteers showed an almost homogeneous pattern with high signal intensity.
  • (13) Evidence of patchy periventricular hyperintensity representing presumed deep white matter infarction was sought in 20 patients shunted for normal-pressure hydrocephalus and in 35 additional consecutive patients with clinical symptoms and MR findings consistent with normal-pressure hydrocephalus.
  • (14) In nine specimens removed 5 days to 16 months after embolization therapy, a series of pathologic changes was seen, including patchy mural angionecrosis (adjacent to bucrylate fragments) up to six weeks after embolization, the presence of bucrylate in vessel walls and fibromuscular intimal cushions, and the occurrence (after several months) of entirely extravascular bucrylate.
  • (15) It showed patchy areas of coagulation necrosis in the cytoplasm of damaged myocardial cells which were not visualized with HE.
  • (16) Three reproduction photographers were found to have light patchy and reticular infiltrates on the chest x-rays.
  • (17) Lung histology showed interstitial edema and patchy atelectasis, features which are found also in the early stages of post-traumatic pulmonary insufficiency.
  • (18) Gastric antral endoscopic pinch biopsies from a group of dyspeptic patients were analysed for acute and chronic inflammatory cell numbers in the lamina propria and surface epithelial layer using computer-linked graphic tablet planimetry, and independently graded for Campylobacter pylori (CP) infection using a visual scoring system with grade 1 assessed as patchy epithelial infection and grade 2 as a continuous layer of organisms on the mucosal surface extending into gastric pits.
  • (19) Though endomyocardial biopsy is becoming a standard procedure at many medical centers, tissue sampling, especially in cases of patchy myocarditis, can result in further diagnostic difficulties.
  • (20) In two dogs, the reentrant circuit was located intramurally in close proximity to a patchy septal infarction.