| intercostal ligaments | The membranous layers between ribs. Synonym: membranae intercostalia, intercostal ligaments, ligamenta intercostalia. (05 Mar 2000) |
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| intercostal lymph nodes | One or two small nodes located posteriorly in each intercostal space; they receive lymph from the parietal pleura, intercostal space, and posterior body wall; the nodes in the upper spaces empty into the thoracic duct; the nodes in the lower spaces form a descending intercostal trunk that opens into the cisterna chyli. Synonym: nodi lymphatici intercostales. (05 Mar 2000) |
| intercostal membranes | The membranous layers between ribs. Synonym: membranae intercostalia, intercostal ligaments, ligamenta intercostalia. (05 Mar 2000) |
| intercostal muscle | <anatomy> Muscle tissue between two ribs. This muscle is a type called skeletal muscle. (12 Dec 1998) |
| intercostal muscles | Respiratory muscles that arise from the lower border of one rib and insert into the upper border of the adjoining rib, and contract during inspiration or respiration. (12 Dec 1998) |
| intercostal nerves | The ventral rami of the thoracic nerves from segments t1 through t11. The intercostal nerves supply motor and sensory innervation to the thorax and abdomen. The skin and muscles supplied by a given pair are called, respectively, a dermatome and a myotome. (12 Dec 1998) |
| intercostal neuralgia | Pain in the chest wall due to neuralgia of one or more of the intercostal nerves. (05 Mar 2000) |
| intercostal space | An interval between the ribs, occupied by intercostal muscles, veins, arteries and nerves. Synonym: spatium intercostale. (05 Mar 2000) |
| intercostal veins | See: anterior intercostal veins, posterior intercostal veins, highest intercostal vein, left superior intercostal vein. (05 Mar 2000) |
| intercostobrachial nerves | Lateral cutaneous branches of the second and third intercostal nerves which pass to the skin of the medial side of the arm. Synonym: nervi intercostobrachiales, intercostohumeral nerves. (05 Mar 2000) |
| intercostohumeral | Relating to an intercostal space and the arm. See: intercostobrachial nerves. (05 Mar 2000) |
| intercostohumeral nerves | Lateral cutaneous branches of the second and third intercostal nerves which pass to the skin of the medial side of the arm. Synonym: nervi intercostobrachiales, intercostohumeral nerves. (05 Mar 2000) |
| intercostohumeralis | See: intercostobrachial nerves. (05 Mar 2000) |
| intercourse | Communication or dealings between or among people. Origin: L. Intercursus, a running between (05 Mar 2000) |
| intercricothyrotomy | Incision through the skin and cricothyroid membrane for relief of respiratory obstruction; used prior to or in place of tracheotomy in certain emergency respiratory obstructions. Synonym: coniotomy, cricothyroidotomy, inferior laryngotomy, intercricothyrotomy. Origin: cricoid + thyroid + G. Tome, incision (05 Mar 2000) |