excavation

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excavation

 [eks″kah-va´shun]
1. the act of hollowing out.
2. a hollowed-out space, or pouchlike cavity.
atrophic excavation cupping of the optic disk, due to atrophy of the optic nerve fibers.
excavation of optic disk (physiologic excavation) a normally occurring depression in the center of the optic disk.
rectouterine excavation Douglas' cul-de-sac.
rectovesical excavation the space between the rectum and bladder in the peritoneal cavity of the male.
vesicouterine excavation the space between the bladder and uterus in the peritoneal cavity of the female.

ex·ca·va·tion

(eks'kă-vā'shŭn),
1. A natural cavity, pouch, or recess; a sunken or depressed area. Synonym(s): depression (2) [TA], excavatio
2. A cavity formed artificially or as the result of a pathologic process.

excavation

/ex·ca·va·tion/ (-shun)
1. the act of hollowing out.
2. a hollowed-out space, or pouchlike cavity.

atrophic excavation  cupping of the optic disk, due to atrophy of the optic nerve fibers.
dental excavation  removal of carious material from a tooth in preparation for filling.
rectouterine excavation  a sac formed by a fold of peritoneum dipping down between the uterus and rectum.
rectovesical excavation  the space between the rectum and bladder in the peritoneal cavity of the male.
vesicouterine excavation  the space between the bladder and uterus in the peritoneal cavity of the female.

ex·ca·va·tion

(eks'kă-vā'shŭn)
1. A natural cavity, pouch, or recess.
Synonym(s): excavatio [TA] .
2. A cavity formed artificially or as the result of a pathologic process.

excavation

1. the act of hollowing out.
2. a hollowed-out space, or pouchlike cavity.

atrophic excavation
cupping of the optic disk, due to atrophy of the optic nerve fibers.
optic disk excavation
a normally occurring depression in the center of the optic disk.
rectovesical excavation
the space between the rectum and bladder in the peritoneal cavity of the male.
vesicouterine excavation
the space between the bladder and uterus in the peritoneal cavity of the female.
References in periodicals archive ?
The result is that with less accurate data the operator tends to excavate more anomalies to account for ILI uncertainty.
The 12th century abbey has not yet been traced but Mr Emery believes its remains lie in neighbouring land and is seeking permission to excavate the area.
The water district's plan in the 1990s was to excavate at the reservoir's shallower southern end, upstream from a spot called Rocky Point and downstream from where Santiago Creek flows into Littlerock Creek.
The National Museum said he did not have any permits to explore or excavate,'' Jimeno said.
There are five sand-filled sections for children to excavate, filled with replicas of 3,000-year-old artifacts.
The machine also can excavate loose material by air vacuum.
The techniques obviate the need to fully excavate the site to unearth its major features, a process that could take as many as 20 years, she adds.
Goshow Architects developed the concept to excavate under the Sanctuary in 1989.
What the situation is, they are installing a storm drain, and in order to install that type down in the ground, they have to excavate out of there,'' said Nelson, who explained that some of the excavated material most likely would be used as backfill.