Page 47 - Physiology and Pathophysiology MNU 2024-2025 نظرى
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Clinical pharmacy 2024/2025                  Level 2 Pharm D                       Physiology and Pathophysiology (MD303)
                          For description purposes each hemisphere of the cerebrum is divided into lobes which

             Parts             take the names of the bones of the cranium under which they lie   ➔ frontal.
                                           Parietal.                   Temporal.            Occipital.

                          1.  Mental           Involved in memory, intelligence, sense of responsibility,
                             activities        thinking, reasoning, moral sense and learning are

                                               attributed to the higher centers.

           Function       2.  Sensory          including the perception of pain, temperature, touch,
                             perception        sight, hearing, taste and smell


                          3.  Initiation and   Of skeletal (voluntary) muscle contraction
                             control


        2.Diencephalon


              Function       * It connects the cerebrum with the midbrain.

                             * It consists of several structures; the most important structures are the
              Structure
                             thalamus and the hypothalamus.


                   Thalamus                                       Hypothalamus.

             (Classification of Input)     A) Controls the output of hormones from both lobes of the
         1. Processing of some emotions      pituitary gland.

           and complex reflexes.           B) Other functions

         2. It relays and redistributes    1- Thirst and water balance.
           impulses from most parts of the  2-Autonomic nervous system.

           brain to the cerebral cortex.   3- Body temperature
                                           4- Sexual behavior

                                           5- Appetite and satiety
                                           6- Biological clocks or circadian rhythms,

                                           7- Emotional reactions, e.g. pleasure, fear & rage.



















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