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Interrelations between nervous and humoral mechanisms in physiological functions regulation.

Regulation nervous and humoral principles described above are united morphologically and functionally in one neuro-humoral regulation. Such regulatory mechanism initial link, as a rule, is afferent sygnal on entrance and informational connection effector channels are either nervous, or humoral. Organism reflrctory reactions are initial in complicated integrated reaction, but only only in complex with endocrine apparatus organism alive activity regulation system functionning is provided to its optimal adaptation to environmental conditions. One of such alive activity organization mechanisms is general adaptational syndrom or stress. Stress is neuro-humoral regulation, metabolism systems and physiological functions non-specific and specific reactions integrity. Neuro-humoral regulation system level is expressed in course of stress as a whole organism susceptibility increasing to environmental factors action particularly harmful for organism. You will discuss stress mechanisms in details in course of pathological physiology. But now, please, put your attention to the fact that under stress conditions interrelations between nervous and humoral regulatory mechanisms are very brightly expressed. In organism these regulatory mechanisms add one another while forming functionally united mechanism. For instance, hormones influence on processes taking place in brain (behaviour, memory, study). Brain, in turn, controls endocrine apparatus activity.

Organism interrelation with external environment which influences on its functions so much is realized by analizators – special nervous system apparatus.

5. Literature recommended:

1. Lecture course.

2. Mistchenko V.P., Tkachenko E.V. Methodical instructions for dental students (short lecture course).-Poltava, 2005.-P. 17-23.

3. Mistchenko V.P., Tkachenko E.V. Methodical instructions for medical students (short lecture course).-Poltava, 2005.-P. 22-24.

4. Kapit W., Macey R.I., Meisami E. The Physiology Colouring Book: Harpers Collins Publishers, 1987.-P. 107-111.

5. Guyton – Ganong – Chatterjee. Concise Physiology /Ed. By Dr Raja Shahzad Gull: M.B.B.S., F.C.P.S., King Edward Medical College.-Lahore, 1998 (1st Edition).-P.407-416, 481-485.

6. Guyton A.C. Textbook of Medical Physiology.-NY, 1992.-P. 876-883.

6. Materials for self-control:

    1. Control questions:

1. Humoral regulation factors, their characteristics and classification.

2. Nervous and humoral regulation connection.

3. Endocrine system structural-functional organization.

4. Endocrine glands, endocrinocytes, their hormones and importance.

5. Hormones main action mechanism.

6. Membranous and cellular receptors.

7. G-proteins, secondary messengers (cAMP, cGMP, NO and others), their role.

8. Hormonal secetion regulation.

9. Hypothalamic-hypophyseal system.

10. Hypothalamus neurosecrets.

11. Liberines and statines role.

Lesson 19 Hormones role in psychical and physical development, linear body growth, adaptation, homeostasis regulation.

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