RHYTHMS IN PROLACTIN SECRETION
RHYTHMS IN PROLACTIN SECRETION Part of “CHAPTER 6 – ENDOCRINE RHYTHMS“ Under normal conditions, the 24-hour profile of plasma PRL levels (see Chap. 13) follows a bimodal pattern, with minimal…
RHYTHMS IN THE PITUITARY-ADRENAL AXIS
RHYTHMS IN THE PITUITARY-ADRENAL AXIS Part of “CHAPTER 6 – ENDOCRINE RHYTHMS“ Twenty-four-hour profiles of cortisol typical of normal subjects are shown in Figure 6-2, Figure 6-3, Figure 6-4 and…
RHYTHMS IN THE SOMATOTROPIC AXIS
RHYTHMS IN THE SOMATOTROPIC AXIS Part of “CHAPTER 6 – ENDOCRINE RHYTHMS“ In normal subjects, the 24-hour profile of plasma GH consists of stable low levels abruptly interrupted by bursts…
METHODOLOGIC ASPECTS OF THE STUDY OF ENDOCRINE RHYTHMS
METHODOLOGIC ASPECTS OF THE STUDY OF ENDOCRINE RHYTHMS Part of “CHAPTER 6 – ENDOCRINE RHYTHMS“ DIURNAL VARIATIONS To investigate circadian hormonal rhythms, a group of individuals is usually studied for…
ULTRADIAN RHYTHMS
ULTRADIAN RHYTHMS Part of “CHAPTER 6 – ENDOCRINE RHYTHMS“ PERIOD RANGE AND ORIGIN The term ultradian is primarily used to designate rhythmicities with periods ranging from fractions of hours to…
CIRCADIAN RHYTHMS
CIRCADIAN RHYTHMS Part of “CHAPTER 6 – ENDOCRINE RHYTHMS“ BASIC MECHANISMS There is virtually neither a tissue nor a function in the human organism that does not exhibit regular changes…
ENDOCRINE RHYTHMS
ENDOCRINE RHYTHMS Eve Van Cauter Pronounced temporal oscillations ranging in period from a few minutes to a year occur throughout the endocrine system. These oscillations are part of the wide…
CONCLUSION
CONCLUSION Part of “CHAPTER 5 – FEEDBACK CONTROL IN ENDOCRINE SYSTEMS“ Related posts: ACTIONS OF GROWTH HORMONE HYPOPITUITARISM ADRENOCORTICOTROPIC HORMONE HYPERSECRETION DIABETES INSIPIDUS REPRESSION OF BASAL TRANSCRIPTION/COREPRESSORS PATHOPHYSIOLOGY
EXAMPLES OF FEEDBACK IN ENDOCRINE SYSTEMS
EXAMPLES OF FEEDBACK IN ENDOCRINE SYSTEMS Part of “CHAPTER 5 – FEEDBACK CONTROL IN ENDOCRINE SYSTEMS“ Importantly, our current state of knowledge does not allow us to apply all these…
