| segmentum | Synonym: segment. Origin: L. Segment (05 Mar 2000) |
|---|---|
| segmentum anterius | A delimited part or section of an organ or other structure which lies in front of or ventral to the other similar parts or sections. 1) segmentum anterius (hepar); the anterior segment of the right lobe of the liver. 2) segmentum anterius (pulmo dexter et sinister); [S 3]; the anterior segment of the superior lobe of the right and left lungs. 3) anterior segment of the eye; the intraocular segment of the eyeball occupied by the aqueous which lies in front of, and is separated from the vitreous-filled posterior segment by, the lens and zonule; it is subdivided by the iris into anterior and posterior chambers. Synonym: segmentum anterius. (05 Mar 2000) |
| segmentum anterius inferius | Anterior inferior segment of kidney. Synonym: segmentum anterius inferius. (05 Mar 2000) |
| segmentum anterius superius | Anterior superior segment of kidney. Synonym: segmentum anterius superius. (05 Mar 2000) |
| segmentum apicale | Apical segment of the inferior lobe of the right and left lungs. See: apical segment (05 Mar 2000) |
| segmentum apicoposterius | Apicoposterior segment of superior lobe of left lung, composed of two segments and wedged between the anterior segment of the upper lobe and the oblique fissure. Synonym: segmentum apicoposterius. (05 Mar 2000) |
| segmentum basale anterius | Anterior basal segment of inferior lobe of right and left lung; lies between middle lobe and diaphragm. Synonym: segmentum basale anterius. (05 Mar 2000) |
| segmentum basale laterale | Lateral basal segment of inferior lobe of right and left lung; between anterior and posterior basal segments. Synonym: segmentum basale laterale. (05 Mar 2000) |
| segmentum basale mediale | Cardiac segment; medial basal segment of inferior lobe of right and left lung; can only be seen from medial and inferior surfaces since it does not reach lateral surface of lung. Synonym: segmentum basale mediale, segmentum cardiacum, cardiac segment. (05 Mar 2000) |
| segmentum basale posterius | Posterior basal segment of inferior lobe of right and left lungs; lies adjacent to vertebral column below superior segment. Synonym: segmentum basale posterius. (05 Mar 2000) |
| segmentum bronchopulmonale | The largest subdivision of a lobe of the lung; it is supplied by a direct tertiary (lobular) bronchus and a tertiary branch of the pulmonary artery; it is separated from adjacent segments by connective tissue septa. Synonym: segmentum bronchopulmonale. (05 Mar 2000) |
| segmentum cardiacum | An alternate term for medial basal segment. (05 Mar 2000) |
| segmentum inferius | inferior segment |
| segmentum internodale | The portion of a myelinated nerve fibre between two successive nodes. Synonym: interannular segment, internode, Ranvier's segment, segmentum internodale. (05 Mar 2000) |
| segmentum laterale | A delimited part or section of an organ or other structure which lies farthest to the left or right side of the other similar parts or sections. 1) segmentum laterale (hepar); the lateral segment of the left lobe of the liver. 2) segmentum laterale (pulmo dexter); [S 4]; the lateral segment of the middle lobe of the right lung. Synonym: segmentum laterale. (05 Mar 2000) |