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Basal Plate

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Basal Plate

 

(1) An elastic, unstructured plate situated under the single-layer surface epithelium in some groups of invertebrates (ciliated worms, nemerteans), Hemichordata (Balanoglossus), and Cephalochorda (lancelets). It is formed from the secretions of epithelial cells. It separates the epithelium from the underlying musculature or connective tissue and serves as an attachment for muscles.

(2) In hydroid polyps, the basal plate (corresponds to the mesoglea in medusae) is a delicate unstructured plate lying between the ectoderm and endoderm.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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In the total PCR positive plants obtained, highest frequency of transgenic plants was contributed by mature embryos followed by seeds and basal plates. None of positive transgenic plant was obtained from shoot tips, root tips and leaf blades in the transformation experiments performed.
The ctenii lie close to each other at the scale basal plate and do not separate even if there is a shallow slit between the ctenial and scale base (e.g.
This last one cartilage doesn't contact the basal plate. The taenia marginalis extends between the pila accessoria and the dorsal surface of the otic capsule.
The marked indentations of the chorionic plate do not reach the basal plate, which is well defined by small linear highly reflective areas.
Be sure to include a portion of the basal plate with each section (Fig.
When scaling lily bulbs, it is best to take the outside scales, with as much of the basal plate as possible.
When buying a hippeastrum bulb, check that it is firm and undamaged,and that the basal plate bearing the thong-like roots is intact.
When buying a hippeastrum bulb, check that it is firm and undamaged, and that the basal plate bearing the thong-like roots is intact.
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