niche


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niche

 [nich]
a small recess, depression or indentation, especially a recess in the wall of a hollow organ that tends to retain contrast media, as revealed by radiographs.

niche

(nitch, nēsh),
1. In contrast radiography, an eroded or ulcerated area, especially gastrointestinal or vascular, which can be detected when it fills with contrast medium.
2. An ecologic term for the position occupied by a species in a biotic community, particularly its relationships to various other competitor, predator, prey, and parasite species.
[Fr.]

niche

(nich) a defect in an otherwise even surface, especially a depression or recess in the wall of a hollow organ, as seen in a radiograph, or such a depression in an organ visible to the naked eye.
enamel niche  either of two depressions between the dental lamina and the developing tooth germ, one pointing distally (distal enamel n.) and the other mesially (mesial enamel n.) .

niche

[nich]
Etymology: Fr, recess
a defect in an otherwise even surface, especially a depression or recess in the wall of an organ as seen on a radiograph or by the unaided eye.

niche

Imaging A recess which may correspond to an ulcer in the wall of a hollow organ which tends to retain contrast medium

niche

(nich, nēsh)
1. radiography An eroded or ulcerated area, especially gastrointestinal or vascular, which can be detected when it fills with contrast medium.
2. An ecologic term for the position occupied by a species in a biotic community, particularly its relationships to various other competitor, predator, prey, and parasite species.
[Fr.]

niche

the sum of the characters that determine the position of an organism in its ECOSYSTEM. This includes all the chemical, physical, spatial and temporal factors required for the survival of that species and which limit its distribution and growth. A niche is characteristic of a SPECIES, and no two species occupy the same niche in the same environment in each others’ presence. However, a different species may occupy the same niche in the absence of the normal occupant from that habitat.

niche

a small recess, depression or indentation, especially a recess in the wall of a hollow organ that tends to retain contrast media, as revealed by radiography.

ecological niche
the geographical location in the physical environment which the particular organism occupies best, in which it thrives best. The boundaries are determined by the suitability of the climate and the feed provided and competition with predators and collaboration with synergists.
niche pericarditis
an abattoir finding in normal cattle; small red velvety patches on the outside of the great vessels.
References in periodicals archive ?
Nurses who earn the GRN designation have the knowledge and experience to care for older patients, said Robin Atkins, TGH's NICHE program coordinator.
EDU Niche offers tutoring help for students from kindergarten to high school and college.
The researchers show how signals from the niche that act to maintain the vitality of the flies' stem cells are lost over time, leading to a decline in the number of stem cells available to maintain the tissue.
We were undertaking several days of training and motivation for a new niche market they were about to enter.
Its memory chips for mobile devices, among the niche products, have been shipped to manufacturers of solid state drives (SSDs) and tablet PCs.
Saint Francis is now infusing NICHE into all adult inpatient nursing units with Geriatric Resource Nurses (another NICHE model), a NICHE page on the Saint Francis nursing website, and taking NICHE based protocols housewide--with the goal of making sure that every nurse has the tools and resources to take care of geriatric patients.
A well-developed marketing plan is the key to successful niche marketing and can include, but is not limited to, the following components: a mission statement; situation analysis; and SMART (specific, measurable, attainable, realistic and timely) strategies.
Riches in Niches Susan Friedmann, CSP Career Press Box 687, Franklin Lakes, NJ 07417 1564149307, $21.
Sansevieri's book guides the online book marketer through all the ways and tactics used to reach these "million niches," including designing and writing a home page, making money with links and affiliate programs, e-commerce, "the blog factor," virtual networking, autoresponders, and print-on-demand.
One advantage Stutz says his company has is the niche it has carved out in California.
His idea, translated into more modern terminology, was that the ecologic niche of a species is the set of conditions under which the species can maintain populations without immigration of individuals from other areas.