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Saturday, August 1, 2020 | History

2 edition of A contribution to the study of ciliary movement found in the catalog.

A contribution to the study of ciliary movement

Alfred E. Barclay

A contribution to the study of ciliary movement

by Alfred E. Barclay

  • 286 Want to read
  • 15 Currently reading

Published by s.n. in [U.K .
Written in English

    Subjects:
  • Cilia and ciliary motion.

  • Edition Notes

    Other titlesJournal of physiology.
    Statementby A. E. Barclay, K. J. Franklin and R. G. Macbeth.
    ContributionsFranklin, Kenneth J. 1897-, Macbeth, R. G.
    The Physical Object
    Paginationp. 347-348 ;
    Number of Pages348
    ID Numbers
    Open LibraryOL23132992M

    Cilia are hair-like appendages which help in locomotion. They are found in eukaryotic organisms such as are also found in the nasal tract and in the fallopian tube of our body. The beating of cilia which helps the cell to move is called as ciliary movement.5/5(1). Mucociliary clearance (MCC), mucociliary transport, or the mucociliary escalator, describes the self-clearing mechanism of the airways in the respiratory system. It is one of the two protective processes for the lungs in removing inhaled particles including pathogens before they can reach the delicate tissue of the lungs. The other clearance mechanism is provided by the cough : D

    Immediately download the Reform movement summary, chapter-by-chapter analysis, book notes, essays, quotes, character descriptions, lesson plans, and more - everything you need for studying or teaching Reform movement. The field of microbial pathogenesis has expanded rapidly over the past decade. Literally thousands of research papers have been published and new specialty journals on microbial pathogenesis have appeared, giving rise to the need for a text that reviews the entire field of bacterial virulence mechanisms and summarizes the major advances. The third edition of this .

    The ciliary body extends towards the inside of the eye from the choroid coat. It is composed of the ciliary muscles and the ciliary processes. The ciliary pro­cesses secrete aqueous humour. The ciliary muscles are smooth muscles and are of two types: circular and meridional.   The biological role of acetylcholine and the cholinergic system is revisited based particularly on scientific research early and late in the last Cited by:


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A contribution to the study of ciliary movement by Alfred E. Barclay Download PDF EPUB FB2

Robert Yin, in his classic book,22 notes that case study research is particularly helpful when researchers want to answer questions of how or why things work in real life contexts. Theory generated from cases may help to make sense of the complex relationships that underline healthcare practice and elucidate why efforts to improve care succeed Cited by: A milestone in the study of ciliary and flagellar movement after the discovery of dynein was the demonstration of microtubule sliding in the axoneme of sea urchin spermatozoa.

When the flagellar axonemes were fragmented, treated with trypsin, and then exposed to Mg-ATP under a dark-field microscope, they showed disintegration into individual Cited by: 3.

The prototypical ciliopathy, primary ciliary dyskinesia (PCD), was the first human disorder linked to ciliary dysfunction, described over a century ago, and since then, our understanding of the. Unilateral ciliary reversal and motor responses during prey capture by the ctenophore Pleurobrachia.

Exp. Biol. ‑ (50% contribution) d. Submitted articles Hammann, S., Moss, A., Zimmer, M. "Sterile surfaces in bacterial suspension: case study of an invasive comb jelly.” Submitted to PNAS, August e. Manuscripts in preparation.

In order to demonstrate that your thesis is an original study and that it will provide a significant contribution the academe, your dissertation should be very specific and focused. You must be able to adequately answer the following questions and be able to clearly state how your research came about.

[5] If your research is being driven by. There have been several conflicting reports of ciliary motility in the zebrafish OV and its role in otolith formation. By observing the non-Brownian movement of otolith precursor particles, Riley and others originally inferred that most OV cilia are motile, acting to agitate the otolith precursor particles (Riley et al., ).Tether cilia were observed to be immotile.

This study revises the mechanisms of ciliary locomotion and demonstrates muscular contribution to locomotion rate in Lymnaea stagnalis. stagnalis sticks to. Aim: To investigate the effect of dehydration on intraocular pressure (IOP).

Subjects: The study population comprised 50 subjects (27 men and 23 women) with a mean age of ± years. Method: The subjects dehydrated for 18 hours. IOP was assessed in both eyes using the Perkins handheld applanation tonometer.

Baseline measurement of IOP was taken before the Author: Faustina K. Idu, Gladys O. George, Leonard F.O. Obika. ciliary movement: the rhythmic, sweeping movement of epithelial cell cilia, of ciliate protozoans, or the sculling movement of flagella, effected possibly by the alternate contraction and relaxation of contractile threads (myoids) on one side of the cilium or flagellum.

Abstract. We have developed a generalized model for Ca-mediated control of ciliary beating using established data from the literature.

According to the model, both direction and frequency of beating are controlled by membrane-regulated Ca 2+ as the intraciliary messenger including a modulatory function of Mg 2+ which competes with Ca 2+ for binding to an axonemal by: 3. In recent years, cilia have become a research hotspot in the biomedicine field.

As the important functional organelles of cells, cilia can not only perceive extracellular mechanical and chemical signals, but also transduce signals to initiate cellular responses.

Based on ultrastructural and functional differences, cilia can be classified as immotile cilia or motile cilia. In rabbits, the rate of ciliary beat in the oviducts increases by 20% on the 2nd and 3rd days after copulation, corresponding to the time of movement of the ova down the tubes (Borell et al., ).

Critoph and Dennis detected a significant increase in the CBF of the human isthmus and ampulla after ovulation (Critoph and Dennis, b).Cited by: The OpenOptix ABO Study Guide is the pilot project of the OpenOptix initiative.

Taking a cue from the MIT OpenCourseWare initiative and similar programs from other educational institutions, OpenOptix is an initiative to encourage, develop, and host free and open optical education to improve optical care Size: 2MB.

Ciliary Movement Originally published in as part of the Cambridge Comparative Physiology series, this book examines the importance of cilia in the lives of many invertebrate animals. Gray demonstrates how cilia, not muscle fibres, often play the dominant role as organs. Ciliary movement was rotatory, with an estimated mean beat frequency of 28 Hz (s.d.=) at S and 33 Hz (s.d.=) at hpf.

In one example, we documented a cilium rotating first in one, and then in the opposite, direction (supplementary material Movie 6).Cited by: The Social Movement Society: Contentious Politics for a New Century, Sidney G. Tarrow: Editors: Professor of Sociology Political Science and Planning Policy and Design at the University of California Irvine and a Fellow of the Center for the Study of Democracy David S Meyer, David S.

Meyer, Sidney G. Tarrow: Contributors5/5(1). The extraocular muscles are supplied mainly by branches of the ophthalmic artery. This is done either directly or indirectly, as in the lateral rectus muscle, via the lacrimal artery, a main branch of the ophthalmic artery.

Additional branches of the ophthalmic artery include the ciliary arteries, which branch into the anterior ciliary arteries Insertion: Tarsal plate of upper eyelid, eye. Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function. In higher animals, organs are grouped into organ systems; e.g., the esophagus, stomach, and liver are organs of the digestive system.

Learn more about organs in this article. Start studying CLST Learn vocabulary, terms, and more with flashcards, games, and other study tools. Doctoral research, by definition, usually involves a contribution to knowledge.

This requirement is often made explicit in the various university policies which define the nature of their doctoral degrees. As an examiner of dissertations, this is one of the elements to which I am alert when examining a dissertation.

Given that I have to make. I just finished reading this book this morning. It is an excellent contribution to the scholarly study of the role and importance of women in the works of Tolkien. The writing is clear and level-headed, and the editing is thorough and professional. .In an important contribution to a perennial debate, Dr Savage argues that over-concentration on national labour movements has ignored the variety of local political strategies developed by working-class movements; these variations show that working-class politics develops on .Start studying Unit 8 Study Guide-Reform Movements and Reformers.

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