Dictionary » S » Sheathed



1. Povided with, or inclosed in, sheath.

2. (Science: botany) Invested by a sheath, or cylindrical membranaceous tube, which is the base of the leaf, as the stalk or culm in grasses; vaginate.

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The Fiber Disease

... section. 2 single microtubules run up through the center of the bundle, completing the so-called "9+2" pattern. The entire assembly is sheathed in a membrane that is simply an extension of the plasma membrane. This electron micrograph (courtesy of Peter Satir) shows the 9+2 pattern ...

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by London
Thu Feb 09, 2006 4:20 am
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6246723

What are Sheathed Bacteria?

... In a Winogradsky Collumn there occour several microgoranismns, different aerobic an anaerobic Bacteria and some algae. My souces are mentioning "sheathed Bacteria". They should occour in the Water above the mud and "use organic substrates but are unusual because as the bacterial cells divide ...

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by Winogradsky
Thu Dec 29, 2005 12:55 pm
Forum: Microbiology
Topic: What are Sheathed Bacteria?
Replies: 0
Views: 2237

Practical Exam Help required!

... (Vaccinium vitis-idaea), bearberry (Arctostaphylos uva-ursi), crowberry (Empetrum nigrum), willow (Salix spp.), red raspberry (Rubus idaeus), sheathed cottonsedge (Eriophorum vaginatum), bracken fern (Pteridium aquilinum), sedges (Carex spp.), hairgrass (Deschampsia flexuosa), moor-grass (Molinia ...

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by b_d_41501
Mon Apr 25, 2005 10:17 pm
Forum: General Discussion
Topic: Practical Exam Help required!
Replies: 2
Views: 8683

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