LEC22 - Interdisciplinary School of Health Sciences Faculty...

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Unformatted text preview: Interdisciplinary School of Health Sciences Faculty of Health Sciences University of Ottawa HSS 2101 B Health Problems (3 credits) Professor: Dr. Karen Phillips Office Hours: Templeton Room 215, Tuesdays 1:00-2:20pm After end of classes office hours will be moved to different date. Date Topic Tuesday, March 1 14. Diseases/Disorders of the Gastrointestinal Tract Chapter 9 Friday, March 4 15. Cardiovascular Disease I Chapter 6 Tuesday, March 8 16. Cardiovascular Disease II Chapter 7 Friday, March 11 17. Respiratory Disease Chapter 8 Tuesday, March 15 18. Pathology of the Reproductive System- Chapter 11 (Assignment Due 5%) Friday, March 18 19. Diseases Associated with Pregnancy Chapter 12 Tuesday, March 22 20. Renal Pathology Chapter 10 CLASS EVAL. Friday, March 25 21. Diabetes Chapter 12 Tuesday, March 29 22. Diseases of the Endocrine System Chapter 12 Friday, April 1 23. Pathology of the Nervous System I Chapter 13 Tuesday, April 5 24. Pathology of the Nervous System II Chapter 13 Friday, April 8 REVIEW Final Exam Lectures 14-24; 45% Cell Signaling Cells must be ready to respond to essential signals in their environment. Different types of signaling: distant locations in a multicellular organism endocrine signaling by hormones; nearby cells paracrine stimulation by cytokines; secreted by themselves ( autocrine stimulation). Dependent on adjacent cells interacting ( contact- dependent ) Specialized interactions in neuronal synapse Endocrine System group of specialized organs and body tissues that produce, store, and secrete chemical substances known as hormones. The major organs of the endocrine system hypothalamus pituitary gland thyroid gland parathyroid glands the islets of the pancreas adrenal glands testes Ovaries **adipose tissue During pregnancy, the placenta also acts as an endocrine gland in addition to its other functions Endocrine System Endocrine System ENDOCRINE FUNCTION OF THE ADIPOSE TISSUE adipose tissue energy storage (fat) cushioning, insulation endocrine organ hormones and signaling molecules synthesized and released by adipocytes. Endocrine glands regulate body's growth and development control function of various tissues support pregnancy and other reproductive functions regulate metabolism Endocrinologists are medical doctors who specialize in researching and treating disorders and diseases of the endocrine system. Endocrine System Endocrine System Hormones steroids proteins, peptides, and modified amino acids Endocrine System Endocrine System Hormonal Signaling Hormonal Signaling Biosynthesis of a particular hormone in a particular tissue Storage and secretion of the hormone Transport of the hormone to the target cell(s) Recognition of the hormone by an associated cell membrane or intracellular receptor protein Relay and amplification of the received hormonal signal via a signal transduction process, cellular response and possibly down-regulation in hormone production (homeostatic negative feedback loop) Protein Hormones Protein Hormones...
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This note was uploaded on 12/18/2011 for the course HSS 2101 taught by Professor Karenphillips during the Fall '11 term at University of Ottawa.

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LEC22 - Interdisciplinary School of Health Sciences Faculty...

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