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  • 1
    Schlagwort(e): Salivary glands -- Congresses. ; Electronic books.
    Beschreibung / Inhaltsverzeichnis: Salivary Glands and their Secretions covers the proceedings of the conference held at the University of Washington in Seattle, Washington, U.S.A. The book focuses on the structure and functions of secreting organs and the composition, mechanism, and control of secretions. The selection first reviews the comparative aspects of the structure and functions of the salivary glands; electron microscopy of induced changes in the salivary glands of rats; and the action of thyroid and adrenal glands on the submaxillary glands of mice. The book then takes a look at hormonal influences on the cytology and physiology of salivary glands and hormones and inanition. The book ponders on studies on the physiology of rat and mouse submaxillary glands and hormonal control of the nerve growth factor content in the submaxillary glands of mice. The text also examines central nervous representation of salivary secretion, secretory nerves of the salivary glands, and changes in salivary flow produced by variations in fluid and electrolyte balance. The selection is a valuable source of data for readers interested in the structure and functions of the salivary glands.
    Materialart: Online-Ressource
    Seiten: 1 online resource (401 pages)
    Ausgabe: 1st ed.
    ISBN: 9781483282473
    DDC: 612.31308
    Sprache: Englisch
    Anmerkung: Front Cover -- Salivary Glands and their Secretions -- Copyright Page -- Table of Contents -- PREFACE -- ACKNOWLEDGMENTS -- LIST OF PARTICIPANTS -- INTRODUCTION -- PART 1: COMPARATIVE ANATOMY AND ULTRASTRUCTURE -- CHAPTER 1. COMPARATIVE ASPECTS OF STRUCTURE AND FUNCTION OF THE SALIVARY GLANDS -- ABSTRACT -- SALIVARY GLANDS OF INVERTEBRATES -- SALIVARY GLANDS OF VERTEBRATES -- REFERENCES -- DISCUSSION -- CHAPTER 2. ELECTRON MICROSCOPY OF INDUCED CHANGES IN THE SALIVARY GLAND OF THE RAT -- ABSTRACT -- INTRODUCTION -- MATERIALS AND METHODS -- EXPERIMENTAL PROCEDURES -- RESULTS -- DISCUSSION -- REFERENCES -- DISCUSSION -- PART 2: FUNCTIONS AND HORMONAL CONTROL OF DUCTS AND ACINI -- CHAPTER 3. THE ACTION OF THYROID AND ADRENAL GLANDS ON THE SUBMAXILLARY GLAND OF MICE -- ABSTRACT -- INFLUENCE OF ADRENAL GLAND -- INFLUENCE OF THE THYROID GLAND -- COOPERATION OF THYROID AND ADRENAL IN THEIR ACTION ON THE SUBMAXILLARY -- DISCUSSION -- REFERENCES -- DISCUSSION -- CHAPTER 4. HORMONAL INFLUENCES ON THE CYTOLOGY AND PHYSIOLOGY OF SALIVARY GLANDS -- ABSTRACT -- INTRODUCTION -- THE PAROTID GLAND -- THE SUBMANDIBULAR GLAND -- THE EFFECT OF PARTIAL ADENOHYPOPHYSEAL INACTIVATION ON THE SALIVARY GLANDS -- DISCUSSION -- REFERENCES -- DISCUSSION -- CHAPTER 5. HORMONES, INANITION AND SALIVARY GLANDS -- ABSTRACT -- PART I. EXOCRINE GLANDS OF THE RAT IN HYPOTHYROID STATES -- MATERIALS AND METHODS -- RESULTS -- PART II. ON THE PROTEASE AND CONVOLUTED TUBULES OF THE RAT SUBMAXILLARY GLAND -- ACKNOWLEDGEMENT -- REFERENCES -- DISCUSSION -- CHAPTER 6. STUDIES ON THE PHYSIOLOGY OF RAT AND MOUSE SUBMAXILLARY GLANDS -- I. AMYLASE AND PROTEASE ACTIVITIES IN SERUM, SUBMAXILLARYGLAND, AND SUBMAXILLARY SALIVA OF RAT AND MOUSE -- ABSTRACT -- INTRODUCTION -- MATERIAL AND METHODS -- RESULTS -- DISCUSSION -- REFERENCES. , CHAPTER 7. STUDIES ON THE PHYSIOLOGY OF RAT AND MOUSE SUBMAXILLARY GLANDS -- II. THE ACTION OF TESTOSTERONE ON THE SODIUM AND POTASSIUM CONTENT OF SUBMAXILLARY SALIVA IN CASTRATE RATS AND MICE -- ABSTRACT -- INTRODUCTION -- MATERIAL AND METHODS -- RESULTS -- DISCUSSION -- REFERENCES -- CHAPTER 8. STUDIES ON THE PHYSIOLOGY ON RAT AND MOUSE SUBMAXILLARY GLANDS -- III. ON THE FUNCTION OF THE STRIATED DUCTS OF THE MAMMALIAN SALIVARY GLANDS -- ABSTRACT -- REFERENCES -- DISCUSSION -- CHAPTER 9. HORMONAL CONTROL OF THE NGF CONTENT IN THE SUBMAXILLARY GLANDS OF MICE -- ABSTRACT -- MATERIAL AND METHODS -- RESULTS -- DISCUSSION -- REFERENCES -- DISCUSSION -- PART 3: NEURAL CONTROL OF SECRETION -- CHAPTER 10. CENTRAL NERVOUS REPRESENTATION OF SALIVARY SECRETION -- ABSTRACT -- REFERENCES -- DISCUSSION -- CHAPTER 11. SECRETORY NERVES OF THE SALIVARY GLANDS -- ABSTRACT -- A. ON THE EXISTENCE OF TWO TYPES OF SECRETORY FIBRES -- B. THE DOUBLE INNERVATION OF THE GLAND CELLS -- C. A CONTINUOUS EFFECT OF THE SECRETORY NERVES -- D. DEGENERATION SECRETION -- REFERENCES -- DISCUSSION -- PART 4: WATER AND ELECTROLYTES -- CHAPTER 12. CHANGES IN SALIVARY FLOW PRODUCED BY CHANGES IN FLUID AND ELECTROLYTE BALANCE -- ABSTRACT -- METHODS -- RESULTS -- DISCUSSION -- REFERENCES -- DISCUSSION -- CHAPTER 13. KINETIC METHODS FOR THE STUDY OF SALIVARY SECRETIONS: THEIR SCOPE AND LIMITATIONS -- ABSTRACT -- REFERENCES -- DISCUSSION -- CHAPTER 14. ELECTROLYTE SECRETION BY RAT SALIVARY GLANDS IN VIVO AND IN VITRO -- ABSTRACT -- INTRODUCTION -- MATERIALS AND METHODS -- RESULTS -- DISCUSSION -- REFERENCES -- DISCUSSION -- CHAPTER 15. CALCIUM TRANSFER IN RAT SALIVARY AND LACRIMAL GLANDS -- ABSTRACT -- INTRODUCTION -- MATERIALS AND METHODS -- RESULTS -- DISCUSSION -- ACKNOWLEDGEMENT -- REFERENCES -- DISCUSSION. , CHAPTER 16. THE EFFECT OF ADRENAL CORTICAL STEROIDS ON PAROTID SALIVARY SECRETION -- ABSTRACT -- INTRAVENOUS INFUSION OF ALDOSTERONE -- INTRACAROTID IPSILATERAL INFUSION OF ALDOSTERONE -- INTRAVENOUS INFUSION OF DOC -- ACKNOWLEDGEMENT -- REFERENCES -- DISCUSSION -- CHAPTER 17. THE ROLE OF SOME SALIVARY CONSTITUENTS IN ORAL PATHOLOGY, WITH SPECIAL REGARD TO CARIES EXPERIMENTS WITH RODENTS -- ABSTRACT -- METHODS -- RESULTS -- DISCUSSION -- METHODS -- RESULTS -- GENERAL DISCUSSION -- REFERENCES -- DISCUSSION -- PART 5: METHODS FOR STUDYING SECRETIONS -- CHAPTER 18. COLLECTING SALIVA INTERMITTENTLY OVER LONG TIME PERIODS IN ANAESTHETIZED ANIMALS -- REFERENCES -- CHAPTER 19. TECHNIQUES FOR STIMULATING THE AURICULO-TEMPORAL NERVE AND RECORDING THE FLOW OF SALIVA -- REFERENCE -- CHAPTER 20. METHODS FOR COLLECTION OF RAT SALIVA -- REFERENCES -- PART 6: ORGANIC COMPOUNDS -- CHAPTER 21. TRANSPORT, STORAGE AND SECRETION OF AMYLASE IN THE PAROTID GLAND OF THE RAT -- ABSTRACT -- REFERENCES -- DISCUSSION -- CHAPTER 22. COMPARISON OF SALIVARY AMYLASES WITH OTHER MAMMALIAN AMYLASES -- ABSTRACT -- INTRODUCTION -- MATERIALS AND METHODS -- RESULTS -- DISCUSSION -- REFERENCES -- DISCUSSION -- CHAPTER 23. THE TYROSINE, TRYPTOPHAN AND PROTEIN CONTENT OF HUMAN PAROTID SALIVA IN ORAL AND SYSTEMIC DISEASE. USE OF ULTRAVIOLET ABSORPTION TECHNICS -- ABSTRACT -- METHODS -- RESULTS -- DISCUSSION -- ACKNOWLEDGMENTS -- REFERENCES -- DISCUSSION -- CHAPTER 24. THE MOLECULAR STRUCTURE OF OVINE SUBMAXILLARY GLAND GLYCOPROTEIN -- ABSTRACT -- REFERENCES -- DISCUSSION -- CHAPTER 25. CHEMICAL AND IMMUNOLOGICAL STUDIES OF THE PROTEINS AND GLYCOPROTEINS OF HUMAN PAROTID SALIVA -- MATERIALS AND METHODS -- RESULTS AND DISCUSSION -- SUMMARY -- AKNOWLEDGMENT -- REFERENCES -- DISCUSSION.
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    ISSN: 0730-2312
    Schlagwort(e): calbindin-D28k ; 1,25-dihydroxyvitamin D3 ; messenger RNA ; organ culture ; polymerase chain reaction ; Life and Medical Sciences ; Cell & Developmental Biology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Notizen: Organ culture of 19-day-old chick embryo duodena was utilized to evaluate the mechanism of 1,25-dihydroxyvitamin D3 (1,25(OH)2D3)-dependent calbindin-D28k (CaBP) expression. Duodenal CaBP and 1,25(OH)2D3 receptor (VDR) expression were assessed by Western blot analysis, while CaBP and VDR mRNA levels were determined by Northen blot analysis. In untreated duodena, both VDR protein and mRNA were present, while CaBP protein and mRNA were undetectable. Treatment of cultured duodena with 25 nM 1,25(OH)2D3 resulted in detectable CaBP mRNA after 4 h which continued to increase during a 24 h time period. Under these conditions, localization of [3H-1β]1α,25(OH)2D3 in duodenal chromatin is rapid (≤ 30 min). Thus, the delayed accumulation of detectable CaBP mRNA cannot be explained by slow nuclear binding of 1,25(OH)2D3. The inclusion of 1.6 μM actinomycin D in the organ culture partially inhibited the 1,25(OH)2D3-regulated increase in CaBP mRNA, which implies that there is a transcriptional component involved in the increased CaBP mRNA levels. Similarly, quantitative polymerase chain reaction studies allowed the detection of CaBP pre-mRNA and mRNA sequences 1 h after hormone treatment, suggesting that CaBP gene transcription is initiated rapidly. Treatment of cultures with 36 μM cycloheximide 1 h prior to 1,25(OH)2D3 addition resulted in superinduction of VDR mRNA levels but sharply reduced CaBP steady-state mRNA levels. This dramatic reduction in CaBP mRNA reveals that 1,25(OH)2D3-mediated CaBP expression is dependent on ongoing protein synthesis. Thus, we propose that a labile auxiliary protein or other cofactor, which may or may not be 1,25(OH)2D3-dependent, is necessary for 1,25(OH)2D3-mediated CaBP gene transcription in chick duodena.
    Zusätzliches Material: 10 Ill.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2021-06-22
    Beschreibung: The contribution of sediments to nutrient cycling of the coastal North Sea is strongly controlled by the intensity of fluxes across the sediment water interface. Pore‐water advection is one major exchange mechanism that is well described by models, as it is determined by physical parameters. In contrast, biotransport (i.e., bioirrigation, bioturbation) as the other major transport mechanism is much more complex. Observational data reflecting biotransport, from the German Bight for example, is scarce. We sampled the major sediment provinces of the German Bight repeatedly over the years from 2013 to 2019. By employing ex situ whole core incubations, we established the seasonal and spatial variability of macrofauna‐sustained benthic fluxes of oxygen and nutrients. A multivariate, partial least squares analysis identified faunal activity, in specifically bioturbation and bioirrigation, alongside temperature, as the most important drivers of oxygen and nutrient fluxes. Their combined effect explained 63% of the observed variability in oxygen fluxes, and 36–48% of variability in nutrient fluxes. Additional 10% of the observed variability of fluxes were explained by sediment type and the availability of plankton biomass. Based on our extrapolation by sediment provinces, we conclude that pore‐water advection and macrofaunal activity contributed equally to the total benthic oxygen uptake in the German Bight.
    Beschreibung: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Schlagwort(e): 551 ; southern North Sea ; coastal sediments ; macrofauna ; bioturbation ; bioirrigation ; organic matter turnover
    Materialart: article
    Standort Signatur Einschränkungen Verfügbarkeit
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