antrum


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antrum

 [an´trum] (pl. an´tra, antrums) (L.)
a cavity or chamber. adj., adj an´tral.
antrum of Highmore maxillary sinus.
mastoid antrum an air space in the mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells.
antrum maxilla´re (maxillary antrum) maxillary sinus.
pyloric antrum (antrum pylo´ricum) the proximal, expanded portion of the pyloric part of the stomach.
tympanic antrum (antrum tympa´nicum) mastoid antrum.

an·trum

, gen.

an·tri

, pl.

an·tra

(an'trŭm, -trī, -tră), [TA] Do not confuse this word with atrium.
1. Any nearly or relatively closed cavity.
2. Synonym(s): pyloric antrum
[L. fr. G. antron, a cave]

antrum

/an·trum/ (an´trum) pl. an´tra, antrums   [L.] a cavity or chamber.an´tral
cardiac antrum  the short conical portion of the esophagus below the diaphragm, its base being continuous with the cardiac orifice of the stomach.
frontal antrum  see under sinus.
antrum of Highmore  maxillary sinus.
mastoid antrum , antrum mastoi´deum an air space in the mastoid portion of the temporal bone communicating with the tympanic cavity and the mastoid cells.
antrum maxilla´re , maxillary antrum maxillary sinus.
pyloric antrum , antrum pylo´ricum the dilated portion of the pyloric part of the stomach, between the body of the stomach and the pyloric canal.
Enlarge picture
Pyloric antrum (antrum pyloricum).
tympanic antrum , antrum tympa´nicum mastoid a.

antrum

(ăn′trəm)
n. pl. an·tra (-trə)
1. A cavity or chamber, especially one in a bone.
2. Either of the sinuses in the bones of the upper jaw, opening into the nasal cavity.

an′tral adj.

antrum

pl. antra
Etymology: Gk, antron, cave
a cavity or chamber that is nearly closed and usually surrounded by bone. The antrum cardiacum is a dilation of the esophagus. The fluid-filled cavity in a mature graafian follicle is also termed an antrum.

an·trum

, pl. antra (an'trŭm, -tră) [TA]
1. Any nearly closed cavity, particularly one with bony walls.
2. Synonym(s): pyloric antrum.
[L. fr. G. antron, a cave]

antrum

A hollow cavity or sinus in a bone. The maxillary antrums (or antra) are the cavities in the cheek bones. The mastoid bones, below and behind the ears, contain the mastoid antrums (antra). From the Latin antrum , a cave.

an·trum

, pl. antra (an'trŭm, -tră) [TA] Do not confuse this word with atrium.
Any nearly or relatively closed cavity.
[L. fr. G. antron, a cave]

antrum (an´trum),

n a general term for cavity or chamber that may have specific meaning in referencing certain organs or sites in the body. For example, referring to paranasal sinuses, the maxillary sinus can be referred to as a maxillary antrum.
antrum, maxillary,
antrum of Highmore,
n.pl See sinus, maxillary.

antrum

pl. antra [L.] a cavity or chamber.

mastoid antrum
an air space in the human mastoid portion of the temporal bone communicating with the middle ear and the mastoid cells.
maxillary antrum, antrum maxillare
maxillary sinus, especially of humans.
pyloric antrum, antrum pyloricum
the lumen of the pyloric part of the stomach; the pump of the stomach, regulating the propulsion of food through the pylorus into the duodenum.
tympanic antrum, antrum tympanicum
mastoid antrum.
References in periodicals archive ?
pylori like organisms; is the gastric antrum resistant to colonisation?
Barua Study Study Fundus 4% 3% Fundus and Body 4% 4% Antrum and Body 24% 22% Antrum 50% 46% Body 18% 23% Entire Stomach 0% 3%
We think that glomus tumors should be included in the differential diagnosis of a gastric submucosal lesion, especially if it is located in the antrum, with a reminder that glomus tumors can be found anywhere in the stomach.
Radiological signs indicating cholesteatoma in the attic included erosion or destruction of scutum or spur (the lateral wall of the attic), widening of the aditus ad antrum (loss of figure of "8" appearance) , antral wall erosions and widening , ossicular erosions and destruction , medial attic wall erosion which may lead to facial nerve canal involvement, which may cause paresis or paralysis , erosion of the lateral semicircular canal which may result into fistula formation (Figure 1), dehiscence of tegmen tympani , dehiscence of sigmoid sinus plate, erosion of the external auditory canal (EAC), and automastoidectomy.
A dentigerous cyst arising in the bony maxilla outside of the antrum is, by definition, an extra-antral lesion.
Apres nous avoir raconte lepisode de la transe (19) suivie des revelations de la Sibylle, dans le souci de faire avancer le recit et donc de changer de decor de son paysage, Virgile ecrit au vers 157: "Ingreditur linquens antrum caecoque volutat" Cette courte phrase nous "transporte" dans un autre lieu realiste, a savoir: une silva dans laquelle Enee decouvre Misenum in litore sicco (v.
The likely explanation lies in the fact that electrophysiologists at the Austin center routinely extended their pulmonary vein antrum isolation to the posterior wall and performed empiric isolation of the superior vena cava in all patients.
Delayed slippage of a tube caused the catheter to coil in the antrum, causing obstruction (Table 4).
Then a Y- shaped full thicknessincision was made through the gastric and duodenal wall with the crux centered over the orad portion of the pylorus and the arms extending into the antrum parallel to lesser and greater curvature of stomach.
7 mm with antrum and peripheral luteinisation (Fig.
In the 3 cases of GIST, the tumours were on the greater curvature, the bleeding lipoma was in the gastric antrum and the enterochromaffinoma was at the fundus.