hiatus

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Related to esophageal hiatus, hiatus esophageus: esophageal 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.