. Bonner zoologische Monographien. Zoology. 11. the nucleus is situated abo\ e this basal area. Apical to the nucleus a Golgi com- plex is well dex eloped and accompanied by several \ esicles. No axons could be detected at the base of the papilla, suggesting that it may not be a senson" struc- ture. Its ultrastructure () offers little help in attributing a definite function to this enigmatic, pureh" lar\al. organ but suggests a secretor\' (Golgi complex + \esicles) or a sensoiy function (stiff, long cilia). Nervous system (Plates 1-18) The differentiation of the nervous system i
. Bonner zoologische Monographien. Zoology. 11. the nucleus is situated abo\ e this basal area. Apical to the nucleus a Golgi com- plex is well dex eloped and accompanied by several \ esicles. No axons could be detected at the base of the papilla, suggesting that it may not be a senson" struc- ture. Its ultrastructure () offers little help in attributing a definite function to this enigmatic, pureh" lar\al. organ but suggests a secretor\' (Golgi complex + \esicles) or a sensoiy function (stiff, long cilia). Nervous system (Plates 1-18) The differentiation of the nervous system is accompanied by the de\"elopment of an entire set of numerous, highly specialized cellular units a complex three- dimensional aiTangement. The detailed description of all the cell types found in the lar\'al stages oiBvanchiostoina kviceolatuin would require a higher resolution along the anterior-posterior axis than achie\ ed with the light microscopic elec- tron microscopic approach of this stud\'. and w ould exceed b\- far the scope of this. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology
