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Related to ostial: dyssynergy


(os'tē-ăl), Do not confuse this word with osteal.
Relating to any orifice, or ostium.
Farlex Partner Medical Dictionary © Farlex 2012


Relating to any orifice, or ostium.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(ŏs′tē-ŭm) plural.ostia [L. ostium, a little opening]
A small opening, esp. one into a tubular organ. ostial (-ăl), adjective

ostium abdominale tubae uterinae

The fimbriated end of the fallopian tube.

ostium arteriosum

The arterial orifice of the ventricle of the heart into the aorta or pulmonary artery.

ostium internum

The uterine end of a fallopian tube.

ostium pharyngeum

The pharyngeal opening of the auditory (eustachian) tube.

ostium primum

The opening in the first septum of the embryonic heart; it closes as the ventricles form.

ostium primum defect

An atrial septal defect located low in the septum, resulting from the incomplete closure of the ostium primum.

ostium secundum

An opening in the higher part of the septum of the atria of the embryonic heart. This becomes the foramen ovale and closes shortly after birth.

ostium secundum defect

An atrial septal defect located high in the septal wall, usually resulting from incomplete formation of the edge of the ostium secundum.

ostium tympanicum

The tympanic opening of the auditory (eustachian) tube.

ostium urethrae externum

The external opening of the urethra.

ostium uteri

The opening from the uterus to the vagina. Also called cervical os.

ostium uterinum tubae

The opening of the uterine tube into the uterus.

ostium vaginae

The external opening of the vagina.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Porokeratotic eccrine ostial and dermal duct nevus is thought to be an eccrine hamartoma that presents at birth and persists into adulthood.
A randomized controlled study showed 75% primary patency rate in combined angioplasty and stent group versus 29% in angioplasty group at 6 months in patients with ostial atherosclerotic RAS [8].
(a) Occlusion of the ostial region of LAD, (b) Wraparound LAD LAD: left anterior descending coronary artery
The angiography showed LMCA and ostial Cx stenosis, and the OCT revealed a massive, organized thrombus in the LMCA involving the ostium of the Cx.
Sinonasal inflammatory disease with sinus ostial obstruction is a very common cause of an opacified paranasal sinus.
TEE revealed LA with light spontaneous echocardiographic contrast (SEC), low ostial emptying velocities <40cm/sec (Figure 1) and unilobar LAA with thrombus (2cm/1.5cm) (Figure 2) with echolucent center ("beard-beak sign of recent and growing thrombus") [3], protruding to LA during systole (Figure 3), few thin thoracic aorta plaques.
One patient with a transected proximal (ostial) vertebral artery, with a false aneurysm and an arteriovenous fistula, was included as a subclavian injury.
After lot of efforts, aortography was performed, LSA ostial suboclusion was demonstrated (Figure 1.).