| ITA | inferior temporal artery; internal thoracic artery; International Tuberculosis Association |
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| ITQ | inferior temporal quadrant |
| ITV | inferior temporal vein |
| IVC | inferior vena cava; inspiratory vital capacity; integrated vector control; intravascular coagulation... |
| IVCP | inferior vena cava pressure |
| brachium of inferior colliculus | A fibre bundle passing from the inferior colliculus on either side of the brainstem along the lateral border of the superior colliculus to the posterior part of the thalamus where it enters the medial geniculate body. It forms part of the major ascending auditory pathway. Synonym: brachium colliculi inferioris, brachium quadrigeminum inferius, inferior quadrigeminal brachium. (05 Mar 2000) |
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| bursa subtendinea musculi bicipitis femoris inferior | The bursa between the tendon of the biceps femoris and the fibular collateral ligament of the knee joint. Synonym: bursa subtendinea musculi bicipitis femoris inferior. (05 Mar 2000) |
| valve of inferior vena cava | An endocardial fold extending from the anterior inferior margin of the inferior vena cava to the anterior part of the limbus fossa ovalis. Synonym: valvula venae cavae inferioris, caval valve, eustachian valve, sylvian valve. (05 Mar 2000) |
| radix inferior ansae cervicalis | Fibres from the second and third cervical nerves that pass forward and downward along the internal jugular vein; they contribute to the ansa cervicalis and innervate the infrahyoid muscles. Synonym: descendens cervicalis, radix inferior ansae cervicalis. (05 Mar 2000) |
| radix inferior nervi vestibulocochlearis | <anatomy, nerve> One of the components of the vestibulocochlear nerve; it is made up of the central processes of the bipolar neurons which compose the spiral (cochlear) ganglion in the spiral canal of the modiolus of the bony cochlea; the cochlear root enters the cranial cavity by passing in fascicles through the spiral foraminous tract at the bottom of the internal auditory meatus; it enters the brainstem through the pontomedullary groove, closely adhering to the caudoventral aspect of the vestibular root, and distributes its fibres to the ventral and dorsal cochlear nuclei in the floor of the lateral recess of the fourth ventricle. Synonym: radix cochlearis, cochlear root of vestibulocochlear nerve, inferior root of vestibulocochlear nerve, radix inferior nervi vestibulocochlearis. (05 Mar 2000) |
| palpebra inferior | The inferior, smaller and less mobile of the two eyelids; a check ligament from the inferior rectus muscle extends into it, pulling the lid inferiorly when the gaze is directed downward. Synonym: palpebra inferior, lower lid. (05 Mar 2000) |
| veins of inferior eyelid | Veins of inferior eyelid; veins originatin gin the inferior eyelid and emptying into the angular vein. Synonym: venae palpebrales inferiores, veins of inferior eyelid. (05 Mar 2000) |
| ramus inferior | A branch directed downward (caudally) or which is lowly-placed, usually in contrast with another branch (superior branch) which is directed upward (rostrally) or is highly-placed. Synonym: ramus inferior. (05 Mar 2000) |
| ramus inferior arteriae gluteae superioris | <anatomy, artery> Distribution: gluteus medius and minimus muscles; anastomosis: lateral circumflex femoral artery. Synonym: ramus inferior arteriae gluteae superioris. (05 Mar 2000) |
| ramus inferior nervi oculomotorii | <anatomy, nerve> Branch of oculomotor nerve providing motor branches to medial and inferior rectus and inferior oblique muscles and carrying presynaptic parasympathetic fibres which pass to the ciliary ganglion via the parasympathetic root. Synonym: ramus inferior nervi oculomotorii. (05 Mar 2000) |
| ramus inferior ossis pubis | ramus inferior ossis pubis |
| ramus lingularis inferior | <anatomy, artery> Branch (of the lingular branch) of the left pulmonary artery serving the inferior lingular segment of the superior lobe of the left lung. Synonym: ramus lingularis inferior. (05 Mar 2000) |
| vena anastomotica inferior | <anatomy, vein> An inconstant vein that passes from the superficial middle cerebral vein posteriorly over the lateral aspect of the temporal lobe to enter the transverse sinus. Synonym: vena anastomotica inferior, Browning's vein, Labbe's vein. (05 Mar 2000) |
| vena azygos minor inferior | <anatomy, vein> Formed by the merger of the left ascending lumbar vein with the left subcostal vein or a communication from the inferior vena cava, it pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower thoracic vertebrae, opposite the eighth vertebra, crosses the midline behind the aorta, thoracic duct, and oesophagus, and empties into the azygos vein, sometimes in common with the accessory hemiazygos vein. Synonym: vena hemiazygos, vena azygos minor inferior. (05 Mar 2000) |
| vena basalis inferior | <anatomy, vein> Tributary to the common basal vein draining the medial and posterior part of the inferior lobe in each lung. Synonym: vena basalis inferior. (05 Mar 2000) |