What's the difference between niche and wall?

Niche


Definition:

  • (n.) A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. hence, any similar position, literal or figurative.

Example Sentences:

  • (1) Don't be afraid of being pigeonholed - it's great to have a niche.
  • (2) "We're not saying we're cutting niche parts," he said.
  • (3) The round window niche and membrane can be involved in clinical problems including perilymphatic fistulas, sensorineural hearing loss in otitis media, and a variety of others.
  • (4) But he quickly carved out a niche, introducing to an English-speaking audience the works of German-language writers, notably Friedrich Hölderlin, but also Brecht, Rilke, Grass and others.
  • (5) Namely: it takes one small, heavily publicised niche – affluent, usually white LGBTs – and presents them as representative of a whole spectrum of people.
  • (6) The social network remains a niche product, beloved by journalists, celebrities, and a hard core of miscellaneous obsessive users — but few others.
  • (7) The diversity of lake phytoplankton is unexpectedly high, since the epilimnion of a lake is continuously mixing and might be expected to have only one or at most a few niches for primary producers.
  • (8) The massive otosclerotic focus, obliterating the oval window niche, has a relatively high case incidence of 11-2 per cent in South Australia.
  • (9) Tech entrepreneurs will keep expanding into increasingly diverse niches, so it will be amusing to try and pick out the most obscure market being disrupted in 2014.
  • (10) -- (2) Nothing is known about a niche overlap of Austromenopon and Actornithophilus.
  • (11) The fundamental criterion was the size of the niche as established by radiologic examination.
  • (12) And because the market is expanding, ironically consoles may even have a larger customer base thanks to tablets and mobile devices: in a broader market, the 10% slice may end up bigger than the 100% slice of a smaller, niche market.
  • (13) The existence of equilibria at which there is no genetic load is examined.--The absolute fitness of any genotype is regarded as a function of location in the niche space and the population density at that location.
  • (14) Apparently the same SC system is adaptive in diverse species despite the very different behavioral repertories of these animals and their different ecological niches.
  • (15) As the sachets of powder, tubs of lotion, jars of jam, and bottles of juices and liqueurs that line his shelves testify, his hopes – and his money – are on a rather more niche fruit: baobab.
  • (16) The incorporation of interference into niche theory clarifies the competitive phenomenon of unstable equilibrium points, excess density compensation on islands, competitive avoidance by escape in time and space, the persistence of the "prudent predator," and the magnitude of the difference between the size of a species' fundamental niche and its realized niche.
  • (17) The oval window niche was filled with either 1 percent sodium hyaluronate or 0.9 percent NaCl.
  • (18) Furthermore, taking account of the visual system of certain species from other orders, it is assumed that the cytoarchitecture of the visual system is dependent more upon the ecological niche than on systematics.
  • (19) Revision of the left niche was undertaken shortly after the 5th bleeding two months postoperatively.
  • (20) A reimbursement system designed to encourage competition led to a "survival-of-the-fittest" mentality that prompted many managers to develop "competitive strategies" and look for "niche opportunities."

Wall


Definition:

  • (n.) A kind of knot often used at the end of a rope; a wall knot; a wale.
  • (n.) A work or structure of stone, brick, or other materials, raised to some height, and intended for defense or security, solid and permanent inclosing fence, as around a field, a park, a town, etc., also, one of the upright inclosing parts of a building or a room.
  • (n.) A defense; a rampart; a means of protection; in the plural, fortifications, in general; works for defense.
  • (n.) An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder.
  • (n.) The side of a level or drift.
  • (n.) The country rock bounding a vein laterally.
  • (v. t.) To inclose with a wall, or as with a wall.
  • (v. t.) To defend by walls, or as if by walls; to fortify.
  • (v. t.) To close or fill with a wall, as a doorway.

Example Sentences:

  • (1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
  • (2) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
  • (3) With aging, the blood vessel wall becomes hyperreactive--presumably because of an augmented vasoconstrictor and a reduced vasodilator responsiveness.
  • (4) At operation, the tumour was identified and excised with part of the aneurysmal wall.
  • (5) The role of whole Mycobacteria, mycobacterial cell walls and waxes D as immunostimulants was well established many years ago.
  • (6) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
  • (7) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
  • (8) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
  • (9) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
  • (10) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
  • (11) The following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.
  • (12) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
  • (13) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.
  • (14) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
  • (15) Polypeptide factor isolated from vascular wall of the cattle ("vasonin") was shown to affect the immunogenesis and hemostasis, to stimulate kallikrein-kinin system and to accelerate processes of regeneration.
  • (16) In the case with a more distally situated VSD, the bundle branches skirted the anterior and distal walls of the defect.
  • (17) Cholecystectomy provided successful treatment in three of the four patients but the fourth was too ill to undergo an operation; in general, definitive treatment is cholecystectomy, together with excision of the fistulous tract if this takes a direct path through the abdominal wall from the gallbladder, or curettage if the course is devious.
  • (18) Following injections of HRP into the apex of the heart, the sinoatrial (SA) nodal region and the ventral wall of the right ventricle, we observed that HRP-labeled sympathetic neurons were localized predominantly in the right stellate ganglia, and to a lesser extent, in the right superior and middle cervical ganglia, and left stellate ganglia.
  • (19) A temperature-sensitive mutant of Saccharomyces cerevisiae was identified which at the restrictive temperature of 37 degrees C is unable to secrete a number of cell wall-associated proteins and thus resembles previously reported sec mutants.
  • (20) Polypropylene mesh was used to repair the abdominal wall.