WordNet

not capable of being reversed or returned to the original condition; "permanent brain damage"
continuing or enduring without marked change in status or condition or place; "permanent secretary to the president"; "permanent address"; "literature of permanent value" (同)lasting
early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs (同)blastosphere

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1. 心房細動の概要 overview of atrial fibrillation
2. Permanent cardiac pacing: Overview of devices and indications
3. 副伝導路が関与する房室回帰性頻拍（AVRT） atrioventricular reentrant tachycardia avrt associated with an accessory pathway
4. 発作性心房細動 paroxysmal atrial fibrillation
5. 小児における上室性頻脈：房室回帰性頻拍（WPW症候群）および房室結節回帰性頻拍 supraventricular tachycardia in children av reentrant tachycardia including wpw and av nodal reentrant tachycardia

VegT, eFGF and Xbra cause overall posteriorization while Xwnt8 causes eye-level restricted posteriorization in synergy with chordin in early Xenopus development.

Fujii H, Sakai M, Nishimatsu S, Nohno T, Mochii M, Orii H, Watanabe K.SourceGraduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori Akou, Hyogo 678-1297, Japan. msbhfj88@gmail.com
Development, growth & differentiation.Dev Growth Differ.2008 Mar;50(3):169-80.
We examined several candidate posterior/mesodermal inducing molecules using permanent blastula-type embryos (PBEs) as an assay system. Candidate molecules were injected individually or in combination with the organizer factor chordin mRNA. Injection of chordin alone resulted in a white hemispherical
PMID 18318733

Sp-Smad2/3 mediates patterning of neurogenic ectoderm by nodal in the sea urchin embryo.

Yaguchi S, Yaguchi J, Burke RD.SourceDepartment of Biology, University of Victoria, Victoria, POB 3020, STN CSC, 3800 Finnerty Rd, Victoria, BC, Canada V8W 3N5.
Developmental biology.Dev Biol.2007 Feb 15;302(2):494-503. Epub 2006 Oct 10.
Nodal functions in axis and tissue specification during embryogenesis. In sea urchin embryos, Nodal is crucial for specification of oral ectoderm and is thought to pattern neurogenesis in the animal plate. To determine if Nodal functions directly in suppressing neuron differentiation we have prepare
PMID 17101124

APOPTOSIS OF THE SEA UCHIN PERMANENT BLASTULAE(Developmental Biology,Abstracts of papers presented at the 76^<th> Annual Meeting of the Zoological Society of Japan)