File:Tubulanus polymorphus, transverse section in front of brain region (from Coe, 1901).png
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editDescriptionTubulanus polymorphus, transverse section in front of brain region (from Coe, 1901).png |
English: Carinella speciosa (=Tubulanus polymorphus; Nemertea: Palaeonemertea: Tubulanidae). Transverse section through head in front of brain showing, particularly, position of enormously developed cephalic glands (cgl) and arrangement of cephalic nerves (nv). The cephalic glands are thickly placed both above and below the cephalic blood lacunae (bl), as well as around the rhynchodaeum (rh). The secretion from many of these glands is discharged near the lateral margins as indicated (dgl). Between the longitudinal and oblique muscles (lm), which lie in the deeper parts of the head, and the circular fibrous layer (cm), composed of muscles and connective tissue fibers underlying the integument (i), are numerous and very massive nerves (nv) which supply the head regions in front of the brain. The broad indentation of the ventral margin has no relation to the mouth which lies much farther back. A small individual. (×45). See also standard abbreviation. |
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Source | Coe, W. R. (1901). Papers from the Harriman Alaska Expedition. XX. Nemerteans. 3: 1–110. Plate IX in the Biodiversity Heritage Library | |||
Author | Wesley Roswell Coe (1869–1960) | |||
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current | 20:53, 12 August 2014 | 1,650 × 1,000 (938 KB) | Mithril (talk | contribs) | =={{int:filedesc}}== {{Information |Description = {{en|1=''Carinella speciosa'' (=''{{c|Tubulanus polymorphus}}''; Nemertea: Paleonemertea: Tubulanidae). Transverse section through head in front of brain showing, particularly, position of enormously de... |
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File change date and time | 20:51, 12 August 2014 |