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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
organelle +     
extracellular organelle +   
intracellular organelle +   
kinocilium +   
magnetosome +  
membrane-bounded organelle +   
migrasome 
non-membrane-bounded organelle +   
organellar ribosome +   
organelle lumen +   
organelle membrane contact site +   
postsynaptic specialization +   
stereocilium +   
ventral disc +  
Specialized organelle found in Giardia species (trophozoite stage) and characterized by a spiral array of microtubules and microtubule-associated structures including dorsal microribbons and crossbridges. The edge of the ventral disc narrows into a lateral crest. The ventral disk mediates mechanical attachment of the trophozoite to the host's intestinal wall, and contains the contractile proteins actinin, alpha-actinin, myosin, and tropomyosin working towards contraction of the disk involved in adherence.

Synonyms
Exact Synonyms: ventral adhesive disc
Related Synonyms: adhesive disc ;   ventral disk
Definition Sources: GOC:giardia, ISBN:9780124260207, PMID:11432808, PMID:4777416, PMID:5961344

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