The olfactory tracts and centers in teleosts / Ralph Edward Sheldon.
- Sheldon, Ralph Edward.
- Date:
- [1912]
Licence: In copyright
Credit: The olfactory tracts and centers in teleosts / Ralph Edward Sheldon. Source: Wellcome Collection.
Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.
116/168
No text description is available for this image
No text description is available for this image
No text description is available for this image![EXPLANATION OF FIGURES 73 Transection at the level of the commissura transversa. Weigert method. X 17. 74 Transection through the same region as is shown in fig. 73. Ramon y Ca]^. method. X 46. Shows particularly the tractus preoptico-habenularis, pars lateralis. In Petromyzon, according to Johnston ('02), a large portion of the fibers of his tractus olfacto-habenularis (my tractus preoptico-habenularis) take this course; as is also the case, but to a lesser extent, in amphibians and reptiles (Her- rick, '10 b). 75 Cells of origin of the fasciculus retroflexus, or IMeynert's bundle. Golgi method. X 93. One of the cells possesses a long neurite which may be traced into the fasciculus retroflexus. com. trans., commissura transversa; fasc. lat. hem. < fasciculus lateralis hemisphaerii; fasc. med. hem. < >, fasciculus medialis hemisphaerii;/asc. med. n. opt., fasciculus medialis nervi optici; hah., habenula; nucl. preopt., pars magnocell., nucleus preopticus, pars magnocellularis; pol. post, hem., polus posterior hemisphaerii; tr. hyp. olf. med., tractus hypothalamo-olfactorius medialis; tr. olf. hah., tractus olfacto-habenularis; tr. olf. thai, med., pars dors., tractus olfacto-thalamicus medialis, pars dorsalis; tr. olf. thai, med., pars interrned. < >, tractus olfacto-thalamicus medialis, pars intermedia; ir. olf. thai, med., pars vent., tractus olfacto-thalamicus medialis, pars ventralis; tr. opt., tractus opticus; tr. praeth. cin., tractus praethalamo-cinereus; tr. preopt. hah., partes ant. et med., tractus preoptico-habenularis, partes anterior et medialis; tr. preopt. hah., pars lat., tractus preoptico-habenularis, pars lateralis; tr. preopt. hah., pars post., tractus preoptico-habenularis, pars posterior;^;-, preopt.interrned., pars, lat., tractus preoptico-intermedius, pars lateralis.](https://iiif.wellcomecollection.org/image/b21296509_0116.jp2/full/800%2C/0/default.jpg)