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Vascular Ray

A sheet of vascular tissue separating the vascular bundles.


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Avascular Moss

Mosses are considered to be non-vascular plants because they lack xylem and phloem. The phloem and xylem are used to transport fluids and gases through vascular plants. Instead, in mosses, water is transported by cell-to-cell diffusion and ...

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by BasicBiology
Tue Nov 18, 2014 1:01 am
 
Forum: Botany Discussion
Topic: Avascular Moss
Replies: 5
Views: 5878

Why does the floem gets affected when the bark gets damaged?

*phloem! The phloem cells are loving cells, whilst the xylem are formed of dead cells. The xylem are on the inside of the vascular bundles, and eventually are used to create the dead heartwood at the centre of the trees. This means the phloem are always on the outside the trunk, just ...

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by Babybel56
Fri Feb 28, 2014 9:27 am
 
Forum: Botany Discussion
Topic: Why does the floem gets affected when the bark gets damaged?
Replies: 3
Views: 3567

Role of Nitric oxide in vascular Calcification on SMCs

Dear all , i have an question which i need an article or journal leading me to role of nitric oxide pawthway in vascular calcification. Moreover, i do not know why MTT assay it gives me more than 100% of control cells although it could be the reasons by number of cells or metablism ...

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by Heart01
Fri Sep 28, 2012 7:12 pm
 
Forum: Cell Biology
Topic: Role of Nitric oxide in vascular Calcification on SMCs
Replies: 1
Views: 1552

cancer spread biology?

... China [3]. Influence of qigong state on volume of human peripheral vascular blood flow. 3rd Nat Acad Conf on Qigong Science. Guangzhou, China. ... human nasopharyngeal carcinoma cells in vitro by emitted qi and gamma ray. 2nd World Conf for Acad Exch of Medical Qigong. Beijing, China. 103Ea; ...

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by suzidoc8
Mon Jul 23, 2012 3:10 pm
 
Forum: General Discussion
Topic: cancer spread biology?
Replies: 4
Views: 14522

Please check my work?

... following are three common characteristics of echinoderms? A tube feet, circulatory system, body symmetry B marine-dwellers, endoskeletons, water-vascular system C bilateral symmetry, ossicles, respiratory system D mouths, protosomes, body symmetry is it C? ------ Which of the following is NOT ...

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by radicali
Thu Jun 14, 2012 8:57 pm
 
Forum: General Discussion
Topic: Please check my work?
Replies: 1
Views: 3607
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