What's the difference between cavity and wellhole?
Cavity
Definition:
(n.) Hollowness.
(n.) A hollow place; a hollow; as, the abdominal cavity.
Example Sentences:
(1) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
(2) Membranes of this material were filled with islets of Langerhans and implanted in the peritoneal cavity of rats.
(3) In three of these patients this was associated with the presence of a previously well established abscess cavity.
(4) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
(5) 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).
(6) In the 12 prognostically most favourable ears the cavity was repneumatized.
(7) Scintigraphic pictures of the uterine cavity and oviducts were obtained with a Jumbo Toshiba gamma-camera; they were subsequently analysed by an Informatek SIMIS-3 data processing system.
(8) The cercaria, microcercous in type, is liberated and actively penetrates a second terrestrial pulmonate where development to the free metacercarial stage takes place in the pericardial cavity.
(9) A new technique to obliterate the mastoid volume or to reduce an old cavity by means of hydroxyapatite granulate is presented.
(10) In general, air from the mediastinum far more often enters the left pleural cavity than the right one.
(11) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
(12) The rational surgical methods of treatment in 85 patients with suppurative hepatic echinococcosis penetrating into the abdomen cavity are presented.
(13) Finally, carcinoma of the oral cavity in India can be said to be at least two diseases.
(14) A pilot study was undertaken to determine the prevalence of gas in the puerperal endometrial cavity and to determine whether this finding has any relationship to the mode of delivery or to the development of puerperal endometritis.
(15) The authors present a quite unused technique that helps to simplify the cavity preparation in Operative Dentistry.
(16) In several eyes, apparent intraretinal blood-filled cavities were seen acutely in the macular region and elsewhere.
(17) These views are very practical for inferior synovial cavity arthrograms performed in the dental operatory since panoramic radiographic machines have become common in modern dental practices.
(18) Aspergillomas generally arise from saprophytic colonization of a pre-existing pulmonary cavity with Aspergillus, and may be complicated by life-threatening hemoptosis.
(19) Failues of PAFD occurred primarily with the presence of phlegmonous collections and cavities with fistulous connection to bowel.
(20) n. from the body cavity of Scomber scombrus from the Indian ocean is described.
Wellhole
Definition:
(n.) The open space in a floor, to accommodate a staircase.
(n.) The open space left beyond the ends of the steps of a staircase.
(n.) A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes.
Example Sentences:
(1) Many shale deposits are buried under aquifers, and if the cement casing around the wellhole is not adequate, then the process of drilling and fracking can release the chemicals into the aquifer.