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 ?
The main hiatus in observed warming has corresponded with La Ni?
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Because the grammatical hiatus in Bogan's sentence is short and simple, a reader is not likely to find it a stumbling-block to comprehension, but a sentence characterized by multiple and lengthy grammatical hiatuses may well be termed "difficult.
During its year-long hiatus, Dance Theatre of Harlem has taken steps to restore its bleak financial status to normal.
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Even after three months in seclusion following the death of his friend, Easy seems just as down about the death of his friend as his hiatus from street life.
Most of the actors who went out for the role weren't really willing to do the kissing scene, or they asked Patrik to take the scene out or rewrite it," Dunbar says from his car phone as he searches for a place in Los Angeles to spend his hiatus from the Toronto set of his Showtime series, Soul Food.
Surveys suggest that between 25 and 45 per cent of the people who regularly take medicines for heartburn, are actually suffering from a hiatus hernia - and don't know it.
During the recruitment hiatus, several advisory boards reporting to NCI and the Food and Drug Administration reevaluated the prevention trial's design.