hiatus


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Related to hiatus: hiatus hernia

hiatus

 [hi-a´tus] (L.)
an opening, gap, or cleft. adj., adj hia´tal.
aortic hiatus (hiatus aor´ticus) the opening in the diaphragm through which the aorta and thoracic duct pass.
esophageal hiatus (hiatus esophage´us) the opening in the diaphragm for the passage of the esophagus and the vagus nerves.

hi·a·tus

(hī-ā'tŭs), [TA] The plural of this word is hiatus, not hiati.
An aperture, opening, or foramen.
[L. an aperture, fr. hio, pp. hiatus, to yawn]

hiatus

/hi·a·tus/ (hi-a´tus) [L.] an opening, gap, or cleft.hia´tal
aortic hiatus  the opening in the diaphragm through which the aorta and thoracic duct pass.
Enlarge picture
Inferior view of the diaphragm, showing the openings through which the aorta, esophagus, and vena cava pass.
esophageal hiatus  the opening in the diaphragm for the passage of the esophagus and the vagus nerves.
pleuroperitoneal hiatus  foramen of Bochdalek; a posterolateral opening in the fetal diaphragm; its failure to close leaves a congenital posterolateral defect that may become a site for congenital diaphragmatic hernia.
saphenous hiatus  the depression in the fascia lata bridged by the cribriform fascia and perforated by the great saphenous vein.
semilunar hiatus  the groove in the ethmoid bone through which the anterior ethmoidal air cells, the maxillary sinus, and sometimes the frontonasal duct drain via the ethmoid infundibulum.

hiatus

(hī-ā′təs)
n. pl. hia·tuses or hiatus
1. A gap or interruption in space, time, or continuity; a break: "We are likely to be disconcerted by ... hiatuses of thought" (Edmund Wilson).
2. Linguistics A slight pause that occurs when two immediately adjacent vowels in consecutive syllables are pronounced, as in reality and naive.
3. Anatomy A separation, aperture, fissure, or short passage in an organ or body part.

hi·a′tal (-āt′l) adj.

hiatus

[hī·ā′təs]
Etymology: L, hiare, to stand open
a usually normal opening in a membrane or other body structure. hiatal, adj.

hi·a·tus

, pl. hiatus (hī-ā'tŭs) [TA]
An aperture, opening, or foramen.
[L. an aperture, fr. hio, pp. hiatus, to yawn]

hiatus

A gap or abnormal space.

hi·a·tus

, pl. hiatus (hī-ā'tŭs) [TA]
An aperture, opening, or foramen.
[L. an aperture, fr. hio, pp. hiatus, to yawn]

hiatus

pl. hiatus [L.] an aperture, gap, cleft or opening.

aortic hiatus, hiatus aorticus
the opening in the diaphragm through which the aorta and thoracic duct pass.
esophageal hiatus hernia
see hiatal hernia.
esophageal hiatus, hiatus esophageus
the opening in the diaphragm for the passage of the esophagus and the vagus nerves.
vena caval hiatus
the opening in the diaphragm for the passage of the caudal vena cava; properly called foramen venae cavae.
References in periodicals archive ?
Location of the apex of sacral hiatus in relation to level of sacral vertebra varied from S2 to S5 vertebra level.
The Economist, the very influential British journal, is one of the most notable examples of an establishment alarmist organ admitting the hiatus, while still stubbornly clinging to the AGW thesis and trying desperately to account for the "puzzling" lack of predicted warming.
The simulations also indicated that the oceanic warming during hiatus periods has a regional signature.
Hiatus hernia occurs when the top of the stomach herniates into the chest and its acidic stomach contents flow backwards into the oesophagus (reflux).
If there is a hiatus hernia it may be necessary for you to have surgery.
The outrageous waterfowl has been on hiatus since ending his gig following QAF episodes.
2 reopened in May 2004 after a 32-month hiatus due to weak vehicle demand.
The workshop is being reinstituted after a four-year hiatus to showcase SDDC's expanded distribution and deployment mission as well as identify trends impacting on the movement of all Department of Defense commodities, from beans to bullets.
After a 10-year hiatus, Lou Coppo has rejoined General Pool & Spa Supply of Rancho Cordova, Calif.
However, a hiatus in a poem is not necessarily an aural event.
After a four-year hiatus, initial public offerings have returned as a boom in exports of commodities pumps up the economy.