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Infectious Disease: Parasitic Diseases
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The neuro-exocrine secretion: A new type of gland in tapeworms?
Zoology (Jena). 2023 Sep 4;160:126119. doi: 10.1016/j.zool.2023.126119. Online ahead of print.ABSTRACTThe phenomenon of exocrine secretion via nervous cells into the host tissue has been discovered in cestodes. In five cestode species of different orders specialized "cup-shaped" free nerve endings located in the tegument have been found. Their ultrastructure is characterized by the presence of a septate junction, a thin support ring and neurosecretory vesicles 90-110 nm in diameter, which are secreted onto the surface of the tegument through a thin pore. The phenomenon is referred to in this article as the neuro-exocrine s...
Source: Zoology - September 8, 2023 Category: Zoology Authors: Natalia M Biserova Ivan A Kutyrev Vadim R Saitov Ivan A Kolesnikov Source Type: research
The neuro-glandular brain of the Pyramicocephalus phocarum plerocercoid (Cestoda, Diphyllobothriidea): Immunocytochemical and ultrastructural study
Zoology (Jena). 2022 Mar 26;152:126012. doi: 10.1016/j.zool.2022.126012. Online ahead of print.ABSTRACTŠ novel type of a complex neuro-glandular brain structure including both nervous and glandular elements and associated with sensory ones is detected in Pyramicocephalus phocarum plerocercoid (Cestoda: Diphyllobothriidea), parasite of Gadus morua from the White Sea. The brain has two lateral lobes connected by a long cellular median commissure. The brain is tightly surrounded by glandular cells, which receive numerous synapses from the brain neurons. A complex of sensory organs associated with ducts and terminal pores of ...
Source: Zoology - April 7, 2022 Category: Zoology Authors: Natalia M Biserova Alfia R Mustafina Olga I Raikova Source Type: research
