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ZIRC
Term: yolk syncytial layer microtubule
Note: This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.
Name: yolk syncytial layer
Synonyms: periblast, yolk sac, YSL
Definition: Peripheral layer of the yolk cell including nuclei and non-yolky cytoplasm.
Ontology: Anatomy Ontology [ZFA:0000088]
Name: microtubule
Synonyms: microtubuli, microtubulus, neurotubule
Definition: Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle.
Ontology: GO: Cellular Component [GO:0005874]   QuickGO   AmiGO