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Identification
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| Official Latin term | relatio isTractSegmentof |
| Official subsidiary term | isTractSegmentof relationship |
| Unit identifier | TAH:U18885 |
| Unit type | taxonomic |
| Materiality | non physical entity |
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Navigation
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| Link to the unit | relatio isTractSegmentof |
| Links of entity | taxonomic: relatio isTractSegmentof |
| Entity-oriented links | Universal page Definition page |
| External links | PubMed |
| Taxonomic links | Level 1: res nonphysica Short Extended |
| Taxonomic links | Level 2: relatio anatomica Short Extended |
| Level 3: relatio associationis spatialis | |
| Subsidiary language with Latin |
  
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Taxonomic definition
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| Taxonomic definition | The isTractSegmentof relationship is a spatial association relation [relatio associationis spatialis] which associates a segment with its substance tract. |
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Documentation
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The isTractSegmentof property. This ternary property defines a segment in a substance tract and position it as initial or successor of another segment in the same tract.In essence a substance tract is made of segments appended in a row, each one transporting the substance of the tract to the next segment. Alltogether they achieved the transport of te substance from the entry to the exit of the substance tract. The segments are either organs or cardinal body parts. Any segment can itself be constituted of subsegments.Formally, a segment is defined at minima as constituent part of a substance tract, and is always positioned as distal to its preceeding segment. Additional defining information is not necessary, but may be present. |
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Occurences of properties
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| Direct relation | isTractSegmentof |
| Ternary property model | A REL B ( MOD C ) |
| General language schema | is segment of * distal to # |
| Default language schema | is initial segment of * |
| Validation of left term | A isa organ |
| Validation of right term | B isa subdivision of system of organs |
| Validation of plus term | C isa organ |
| 2526 | stomach REL gastrointestinal tract MOD oesophagus |
| 3104 | ureter REL urinary tract MOD kidney |
| 3041 | kidney REL urinary tract |
| 3111 | urinary bladder REL urinary tract MOD ureter |
| 13431 | urethra REL urinary tract MOD urinary bladder |
| 2509 | oesophagus REL gastrointestinal tract |
| 2559 | small intestine REL gastrointestinal tract MOD stomach |
| 2594 | large intestine REL gastrointestinal tract MOD small intestine |
| 3140 | male urethra ♂ REL spermatic tract MOD prostate ♂ |
| 2573 | duodenum REL small intestine (invalid A B) |
| 2590 | jejunum REL small intestine MOD duodenum (invalid A B C) |
| 2591 | ileum REL small intestine MOD jejunum (invalid A B C) |
| Inverse relation | hasTractSegment |
| Ternary property model | B REL A ( MOD C ) |
| 18883 | gastrointestinal tract REL oesophagus (invalid A B) |
| 18883 | gastrointestinal tract REL stomach MOD oesophagus (invalid A B) |
| 18883 | gastrointestinal tract REL small intestine MOD stomach (invalid A B) |
| 18883 | gastrointestinal tract REL large intestine MOD small intestine (invalid A B) |
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Taxonomy
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| Date: 24.10.2025 |