| INA | infectious nucleic acid; inferior nasal artery; International Neurological Association |
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| INF | infant, infantile; infection, infective, infected; inferior; infirmary; infundibulum; infusion; inte... |
| inf | infant, infantile; inferior |
| INV | inferior nasal vein |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
| inferior alveolar nerve | <anatomy, nerve> One of the terminal branches of the mandibular, it enters the mandibular canal to be distributed to the lower teeth, periosteum, and gingiva of the mandible; a branch, the mental nerve, passes through the mental foramen to supply the skin and mucosa of the lower lip and chin. Synonym: nervus alveolaris inferior, inferior dental nerve. (05 Mar 2000) |
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| inferior anastomotic vein | <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) |
| inferior angle of scapula | The acute angle formed by junction of the medial and lateral borders of the scapula. Synonym: angulus inferior scapulae. (05 Mar 2000) |
| inferior articular facet of atlas | One of two concave surfaces on the lateral masses of the atlas that articulate with corresponding surfaces on the axis. Synonym: facies articularis inferior atlantis, fovea articularis inferior atlantis, inferior articular pit of atlas. (05 Mar 2000) |
| inferior articular pit of atlas | One of two concave surfaces on the lateral masses of the atlas that articulate with corresponding surfaces on the axis. Synonym: facies articularis inferior atlantis, fovea articularis inferior atlantis, inferior articular pit of atlas. (05 Mar 2000) |
| inferior articular surface of tibia | The quadrilateral surface on the distal end of the tibia for articulation with the talus; it is concave anteroposteriorly and broader anteriorly. Synonym: facies articularis inferior tibiae. (05 Mar 2000) |
| inferior basal vein | <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) |
| inferior belly of omohyoid muscle | <anatomy> The inferior belly of the omohyoid muscle, attached to the superior border of the scapula. Synonym: venter inferior musculi omohyoidei. (05 Mar 2000) |
| inferior border | The caudal or lowermost margin of a structure. Synonym: inferior margin, margo inferior. (05 Mar 2000) |
| inferior border of liver | The sharp border of the liver that separates the diaphragmatic and visceral surfaces. Synonym: margo inferior hepatis. (05 Mar 2000) |
| inferior border of lung | The sharp border of the lung that separates the diaphragmatic surface from the costal and mediastinal surfaces. Synonym: margo inferior pulmonis. (05 Mar 2000) |
| inferior border of pancreas | The border of the pancreas separating the inferior and posterior surfaces. Synonym: margo inferior pancreatis, margo inferior splenis. (05 Mar 2000) |
| inferior branch | 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) |
| inferior branches of transverse cervical nerve | <anatomy, nerve> Branch of transverse cervical nerve providing cutaneous innervation in lower part of anterior triangle of neck. Synonym: rami inferiores nervi transversi cervicalis [colli]. (05 Mar 2000) |
| inferior branch of oculomotor nerve | <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) |