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13 Cards in this Set
- Front
- Back
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Mechanoreceptors (ear) Absorptive fx (epididymis, prox part of ductus deferens) |
Function of stereo cilia |
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Microtubules arranged in 9+2 pattern |
Motile cilia organized core arrangement |
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Axoneme |
Cilium contains an internal core of microtubules called |
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Microtubule B- (10 tubulin protofilaments) (Microtubule A- composed of 13 tubulin protofilaments, side-side configuration) |
The microtubule composing each doublet are constructed that one wall of the 2 microtubules is incomplete |
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➰Tightly bound together ➰Post translationally modified ➰➰through acetylation and ➰➰polygluatmylation |
How are tubulin molecules incorporated into ciliary microtubules? |
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Ciliary Dynein |
Microtubule associated motor protein that exhibit a pair of "arms" |
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Nexin |
Permanently links the A microtubule with the B microtubule |
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Basal body- fx's as an MTOC consisting of 9 short microtubules triplets |
A modified centriole |
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Extends from the bottom to the transitional zone at the top of the basal body near the transition between the basal body and the axoneme |
The 3rd microtubule in the triplet is from? And is? |
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Transition zone and extend to the too of the axoneme |
Two central microtubules originate at? |
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➰ alar sheet -transitional fiber. Tethers the basal body to the apical PM ➰ basal foot - found in midregion of basal body. Involved in adjusting basal bodies by rotating them to desired position ➰ striated rootlet- longitudinally aligned protofilaments containing rootletin. Firmly anchors the basal body |
Basal body assoc structures? |
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From the sliding of microtubule doublets generated by ATPase activity of dynein arms |
Ciliary movt originates from? |
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In the arms of A microtubule wc cross links with B microtubule |
Where is ciliary dynein located? |
