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Topic: Septa (biology)

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	[No title]
		Biology: Eggs are laid either singly or in small clusters on the underside of tential hosts and distribution potential, no specific states are suggested, but do suggest trapping in major truck farming areas.
		Biology: This is a multivoltine species with four generations per year, depending on latitude, Diapause is facultative, occuring in the pupal stage whenever the eggs or early larval stages are exposed to day-lengths of less than 12 hrs.
		Biology: This species is a multivoltine lyonetiid which overwinters as a diapausing pupa in bark crevasses and in the leaf litter arund the base of the host.
	www.ceris.purdue.edu /napis/pests/misc/fexotic.txt (4048 words)

	Septum - Wikipedia, the free encyclopedia
		A septum (plural septa), in Latin meaning "something that encloses", is a partition separating two cavities or two spaces containing a less dense material, such as the septum nasi between the nostrils or the septa separating each siphuncle, or chamber, in the shells of nautiloids, ammonites, and belemnites—all cephalopods that retained their external shell.
		Histological septa are seen throughout most tissues of the body, particularly where they are needed to stiffen a soft cellular tissue, and they also provide planes of ingress for small blood vessels.
		Septa are often used together with Schlenk flasks and Schlenk lines to handle oxygen- or moisture-sensitive materials.
	en.wikipedia.org /wiki/Septum (271 words)

	Septum (biology) - Wikipedia, the free encyclopedia
		The septa are attached to the inside wall of the shell, thus dividing the phragmocone into camerae.
		The nature and structure of the septa, as with the camerae, and siphuncle, and the presence or absence of deposits, are important in classification of nautiloids.
		In some nautiloids, such as the Orthoceratidae, the septa tend to be widely spaced, resulting in large, long camarae.
	en.wikipedia.org /wiki/Septum_(biology) (261 words)

	septa - membrana (English to Romanian translation glossary) environment,Environment & Ecology,
		Septa maintain the leak-free seal and exclude air from the inlet.
		· Septa (biology), in marine biology, the thin membrane separating each siphuncle, or chamber, in the shells of nautiloids, ammonites, and belemnites—all cephalopods that retained their external shell.
		"Septa" is a Latin term usually used in medicine but not necessary and means "wall" or some kind of barrier, smth limiting or enclosing.
	www.proz.com /kudoz/1572924 (580 words)

	Fungi Online: An Introduction to the Biology of Fungi - Septa (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-10-22)
		Septa (cross-walls) can be seen by light microscopy, as illustrated in this series of images and in this movie clip from the Fungal Cell Biology Group, University of Edinburgh.
		But septa in the form of COMPLETE CROSS-WALLS are formed to isolate old or damaged regions of the mycelium or to separate reproductive structures from somatic hyphae.
		Septa can isolate adjacent compartments from one another so that different biochemical and physiological processes can occur within them - these may result in differentiation of the hyphae into specialized structures, such as those associated with sporulation.
	www.fungionline.org.uk.cob-web.org:8888 /3hyphae/3septa.html (613 words)

	study questions #9 answers (Site not responding. Last check: 2007-10-22)
		septa are the cross walls that have pores large enough to allow ribisomes.
		Chytridiomycota: ceonphyta hyphae (lacking septa) most primitive fungal group- possible link between fungi and protists, possess a flagellated stage, ONLY fungi that does.
		Zygomycota: coenophyta hyphae (lacking septa), neither spores or gametes are motile, sexual spores produced by zygospores and asexual spores produced by sporangia, ex.
	www.life.umd.edu /classroom/biol106/jensen/exams/stqu9ans.html (477 words)

	Class I and Class II Chitin Synthases Are Involved in Septum Formation in the Filamentous Fungus Aspergillus nidulans ...
		In this organism, chitin is concentrated mostly in septa.
		Fluorescence was intense at a subset of septa (Fig.
		In J. Pringle, J. Broach, and E. Jones (ed.), The molecular and cellular biology of the yeast Saccharomyces cerevisiae: cell cycle and cell biology, vol.
	ec.asm.org /cgi/content/full/4/6/1125 (5435 words)

	Markwald honored with prominent award: 6/17
		Roger R. Markwald, Ph.D., MUSC Cell Biology and Anatomy Department chairman and professor, received the American Association of Anatomy’s highest scientific accolade on April 5 during its annual meeting in San Diego.
		The Henry Gray award was co-sponsored by the American Association of Anatomists and Lippincott Williams and Wilkins, which recognizes unique and meritorious contributions and achievements in the field of Anatomical Sciences by a distinguished AAA member.
		As a natural outgrowth of his broad interests in developmental biology, he incorporated research on tissue engineering and regenerative medicine involving the use of stem cells to see if they have any promise in the treatment of cardiac disease.
	www.musc.edu /catalyst/archive/2005/co6-17markwald.html (405 words)

	A Rho-Type GTPase, rho-4, Is Required for Septation in Neurospora crassa -- Rasmussen and Glass 4 (11): 1913 -- ...
		required for the formation of septa in fungi (18, 21, 22, 30).
		Hyphae were stained with calcofluor to show absence of septa in rho-4 mutants.
		aberrant septa that are observed in this strain (Fig.
	ec.asm.org /cgi/content/full/4/11/1913 (5747 words)

	Cell Biology @ Einstein : News and Events Page
		Presented at the XXII All India Cell Biology Conference, 1999.
		Protein-protein interactions in complexes involved in RP (ribosomal protein) gene transcription in yeast in the Warner Lab in the Cell Biology Department, AECOM.
		B: Molecular Biology: Plasmid and genomic DNA purification, RNA purification, Restriction Digestion and Analysis, sub-cloning, southern and Northern blotting.
	www.aecom.yu.edu /cellbiology/NewFacesJaideep.htm (1206 words)

	syllabus '98
		The physical changes that occur from a single fertilized egg to a complex multicellular organism represent one of the most amazing transitions that can be observed in biology.
		The goals of this course are to learn the patterns of morphological changes that occur in animals, from the formation of eggs and sperm to birth.
		You will also be asked to attend one of the Biology Department seminars and write a brief summary and critique of the presentation.
	www.rhodes.edu /biology/CJaslow/Embsyllabus.html (474 words)

	20th Fungal Genetics Conference, Cell Biology Posters
		Interestingly, the disruption strain displays a thermosensitive-lethal phenotype with cells accumulating defects observed as aberrant nuclear morphology at 42 C. A screen for suppressors of this thermosensitve phenotype has yielded a pool of seph::argB/mutant strains that are viable at 42 C and capable of forming septa.
		Gent University and VIB, Molecular Biology, Gent, Flanders, Belgium.
		The sep G mutant is unable to form septa but displays no defects in growth or nuclear division producing long multinucleate hyphae at the restrictive temperture.
	www.fgsc.net /asilo99/posterabs3.htm (18157 words)

	untitled
		The mesodermal tissue also contributes to the septa which separate the segments.
		A sense of how these septa form is gotten by viewing the early embryo again.
		The digestive organs pass through these septa and are bathed in the fluid that fills the coelomic spaces.
	biology.kenyon.edu /courses/biol09/earthworm/text.htm (739 words)

	Effects of the Min system on nucleoid segregation in Escherichia coli -- Åkerlund et al. 148 (10): 3213 -- ...
		In conclusion, the frequency of polar septa was higher and the
		of non-polar septa and a disturbed nucleoid segregation).
		septa was similar to that of the cells with non-polar septa
	mic.sgmjournals.org /cgi/content/full/148/10/3213 (5047 words)

	Spm1, a stress-activated MAP kinase that regulates morphogenesis in S.pombe (Site not responding. Last check: 2007-10-22)
		Cells were grown from early log phase in EMM-2 with the indicated concentration of NaCl for 18 h, then the number of septa per 100 cell units was scored.
		For example, a filament containing four compartments was counted as a single cell unit with three septa.
		In wild-type cultures, the number of septa per 100 cell units was
	www.nature.com /emboj/journal/v16/n6/fig_tab/7590122t1.html (116 words)

	Biology 203 Lab
		Hyphae are often surrounded by a cell wall made of tough chitin.
		Hyphae are often divided by walls (septa) which contain holes, allowing materials to pass through the body of the fungus.
		It is thought that some fungi mycelia may be the biggest living organisms on the planet, covering a span of several states in the soil.
	biology.unm.edu /ccouncil/biology_203/Summaries/Fungi.htm (1115 words)

	[No title]
		Some hyphae have cross-walls called septa (singular septum) between cells, and others do not.
		A network of hyphae reaching through acres of soil or covering an orange peel, for example, is called a mycelium (aka thallus or vegetative part of the fungus).
		Development of this site is being supported by a grant from the National Science Foundation for research in fungal evolutionary biology (NSF award number DEB-0228657).
	www.clarku.edu /faculty/dhibbett/TFTOL/content/2folder/2morph.html (322 words)

	Morphology of the Fungi (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-10-22)
		By contrast, the ascomycetes and basidiomycetes are septate; their filaments are partitioned by cellular cross-walls called septa.
		The structure of these septa varies, and is taxonomically useful.
		This has had a tremendous impact on fungal biology, because it means that no fungus can produce motile gametes, and two organisms must therefore come into direct physical contact to effect sexual reproduction.
	www.ucmp.berkeley.edu.cob-web.org:8888 /fungi/fungimm.html (315 words)

	SparkNotes: SAT Biology: Classifying Life
		For the SAT II Biology, you should know the basic characteristics of the organisms that belong in each of these kingdoms, and you should also be familiar with the names and features of the major phyla within each kingdom.
		Structurally, multicellular fungi are composed of filaments called hyphae; some have hyphae that are segmented by divisions called septa, while others have a continuous cytoplasm with many nuclei in each hyphae.
		Because they lack a vascular system (vascular systems are discussed in much more detail in the section on Structure and Function of Plants, which is part of the Organismal Biology chapter), bryophytes do not have a stem, leaves, or roots; they must distribute water and nutrients throughout their bodies by absorption and diffusion.
	www.sparknotes.com /testprep/books/sat2/biology/chapter8section2.rhtml (3656 words)

	Reproductive Biology and Endocrinology \| Full text \| Antimicrobial actions of the human epididymis 2 (HE2) protein ...
		By 60 min, numerous large vacuoles accumulated, the cytoplasm was extensively granulated and retracted from the outer membrane and cell contents appeared to escape at division septa (Fig.
		The fibrous material and cellular debris, possibly arising due to leakage and cell lysis accumulated particularly at the dividing septa.
		An interesting observation in this study is the leakage of fibrous material primarily at the dividing septa.
	www.rbej.com /content/2/1/61 (4721 words)

	The Septation Apparatus, an Autonomous System in Budding Yeast -- Roh et al. 13 (8): 2747 -- Molecular Biology of the ...
		Formation of delocalized septa in a cdc3 mutant (strain DHY108-7B), after incubation for 3 h at 37°C. (A) Cell is shown with three delocalized septa (arrows), whereas the cell in B has only one.
		If the aberrant septa arise by a similar process to that of normal ones, they should be defective or absent in strains that
		Proposed mechanism for the formation of the abnormal septa in the cdc3 mutant at 37°C. The septin and the contractile ring are shown by marks at both ends to avoid crowding the figure.
	www.molbiolcell.org /cgi/content/full/13/8/2747 (5426 words)

	Lung Toxicology Problem Set (Site not responding. Last check: 2007-10-22)
		Each alveolus has a network of capillaries that carry blood in the lungs.
		Epithelium type I cells are the largest, thin cells that form the walls, or septa, of the alveoli.
		Epithelium type II cells also line the alveoli and secrete a substance called "surfactant." Surfactant coats the alveoli and provides pressure to keep them from collapsing.
	www.biology.arizona.edu /chh/problem_sets/lung_toxicology/02t.html (127 words)

	Molecular Regulation of Atrioventricular Valvuloseptal Morphogenesis -- Eisenberg and Markwald 77 (1): 1 -- Circulation ...
		From the Department of Cell Biology and Anatomy, Medical University of South Carolina, Charleston.
		leaflets and membranous septa is necessary for proper tissue remodeling.
		and membranous septa of the heart are the cardiac cushions.
	circres.ahajournals.org /cgi/content/full/77/1/1 (4482 words)

	Multiple Transcriptional Domains, With Distinct Left and Right Components, in the Atrial Chambers of the Developing ...
		Present affiliation for D.F. is Department of Experimental Biology, University of Jaen, Jaen, Spain; M.C., Department of Biomedical Sciences, University of Padova, Padova, Italy; P.S.Z., MRC Clinical Science Centre, Imperial College School of Medicine, Hammersmith Hospital, London, UK.
		The primary (iasI) and secondary (iasII) atrial septa are also positive (H), as is the pulmonary vein myocardium (PV; arrowheads, J).
		and secondary atrial septa, and smooth-walled myocardium spanning
	circres.ahajournals.org /cgi/content/full/87/11/984 (4883 words)

	fetal pursuit game
		Since it is difficult to find text material that is both detailed yet not overwhelming for the high school student, this module includes an overview of development.
		The septa between the two atria has a gap in it called the foramen ovale.
		Infants with larger holes in the atrial or ventricular septa are usually treated with drugs first to help control symptoms to make sure that the problem does not correct itself.
	www.woodrow.org /teachers/biology/institutes/1997/devmalf (4842 words)

	CT of Focal Nodular Hyperplasia of the Liver -- Carlson et al. 174 (3): 705 -- American Journal of Roentgenology
		the scar and septa that extend from the central portion of
		Third biopsy-proven focal nodular hyperplasia with low-attenuation central scar and septa involves lateral segment of left lobe (arrow).
		Low-attenuation radiating septa that course from central scar peripherally are helpful secondary findings of focal nodular hyperplasia.
	www.ajronline.org /cgi/content/full/174/3/705 (2698 words)

	[No title]
		Campbell, Biology 6th Ed - Chapters 32 and 33, pgs 633-645, 656-671
		Campbell, Biology 7th Ed - Chapters 32 and 33, pgs 626-636, 650-664
		Annelid worms are largely terrestrial and have segmented bodies, with the coelom partitioned via septa.
	biology.unm.edu /ccouncil/biology_203/Summaries/Protostomes.htm (1264 words)

	Integrative Biology 335: Systematics of Plants
		Marginal-only found in a monocarpous or an apocarpous gynoecium; the ovules are attached to the folded margins of the carpel.
		Axile-only found in a syncarpous gynoecium; the placental area of the ovary is attached to an axis derived from the connate margins of the component carpels-such an ovary is divided into two or more locules by septa.
		Parietal-only found in a syncarpous gynoecium; the placental areas are attached to the side walls of the ovary (or extrusions of the wall)-such an ovary usually has one locule (therefore no septa).
	www.life.uiuc.edu /plantbio/260/Flowers/FloralTerms.html (1164 words)

	Nautilus Biology
		Another is added as the previous is outgrown.
		The chambers communicate by small holes in the septa and a body extension, the siphuncle, passes through these around the spiral coil.
		It is possible that gas produced by this varies the bouyancy so that the animal can rise or fall in the water.
	www.nautilusimports.com /biology.htm (166 words)

	BIOLOGY 151 - GENERAL BIOLOGY I
		Mycelium provides a huge absorptive surface area for fungi.
		iii: Septa (septum)- Crosswalls which subdivide hyphae into cells (Fig.
		Septa are perforated by pores which allow passage of: Ribosomes, mitochondria, nuclei (Fig 28.2a).
	www.usd.edu /biol/genbio/151/kurt/lectures/kd1.html (652 words)

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