THE ENDOCRINE SYSTEM

Description

Mind Map on ENDOCRINE SYSTEM, created by Matthew Coddington on 24/05/2018.
Matthew Coddington
Mind Map by Matthew Coddington, updated more than 1 year ago
Matthew Coddington
Created by Matthew Coddington over 6 years ago
160
2

Resource summary

THE ENDOCRINE SYSTEM
  1. has two primary
    1. HORMONES
      1. released by
        1. GLANDS
          1. PITUITARY GLAND
            1. located at
              1. base of brain
                1. attached to the
                  1. hypothalamus
              2. which
                1. stores and produces hormones
                2. composed of
                  1. two separate lobes
                    1. posterior lobe
                      1. produces
                        1. antidiuretic hormone
                          1. which
                            1. regulates body water
                          2. oxytocin
                            1. which initiates
                              1. strong uterine contractions during labour
                        2. anterior lobe
                          1. releases
                            1. thyroid stimulating hormone
                              1. as well as
                                1. adrenocorticotropic
                                  1. stimulates
                                    1. adrenal cortex
                          2. regulated by
                            1. hypothalamus
                              1. relaxing factors are
                                1. dopamine
                                  1. which
                                    1. inhibits secretion of prolactin
                                      1. stimulates
                                        1. milk production
                                  2. somatostatin
                                    1. which
                                      1. inhibits secretion of somatotropin
                                        1. stimulates
                                          1. growth of the long bones
                        3. THYROID GLAND
                          1. located
                            1. front of neck, in front of trachea
                            2. contains
                              1. four parathyroid glands within
                                1. produce
                                  1. parathyroid hormone
                                    1. which
                                      1. increase calcium levels in blood and lower phosphate levels
                              2. produces
                                1. thyroxin and triiofothyronine
                                  1. which
                                    1. increase metabolism and limit growth
                                      1. require iodine present in thyroid for production
                                2. ADRENAL GLAND
                                  1. located above
                                    1. kidneys
                                    2. composed of
                                      1. adrenal medulla
                                        1. and the
                                          1. adrenal cortex
                                            1. produces
                                              1. glucorticoids
                                                1. which affects
                                                  1. blood glucose levels
                                                  2. such as
                                                    1. cortisol
                                                  3. mineralcorticoids
                                                    1. which
                                                      1. water balance
                                                      2. such as
                                                        1. aldosterone
                                                      3. sex hormones
                                                  4. produces
                                                    1. epinephrine and noepinephrin
                                                      1. creates our
                                                        1. fight or flight response
                                              2. PANCREAS
                                                1. located
                                                  1. in abdomen
                                                  2. hormone producing cells of pancreas are located in
                                                    1. islets of Langerhans
                                                      1. produce
                                                        1. insulin
                                                          1. produced by
                                                            1. beta cells
                                                            2. released when
                                                              1. blood sugar rises
                                                              2. causes
                                                                1. cells of muscles, liver and organs to become permeable to glucose
                                                                  1. liver to convert glucose to glycogen
                                                                    1. which
                                                                      1. primary storage of glucose
                                                                        1. lowers blood sugar
                                                                  2. glucagon
                                                                    1. produced by
                                                                      1. alpha cells
                                                                      2. released when
                                                                        1. blood sugar is low
                                                                        2. promotes
                                                                          1. conversion of glycogen to glucose
                                                                            1. which
                                                                              1. raises blood sugar
                                                            3. one being
                                                              1. STEROID HORMONES
                                                                1. made from
                                                                  1. cholesterol
                                                                    1. examples are
                                                                      1. sex hormones and cortisol
                                                                        1. which
                                                                  2. are
                                                                    1. fat soluble
                                                                      1. therefore
                                                                        1. diffuse from capilaries
                                                                          1. into
                                                                            1. target cells
                                                                              1. which activate
                                                                                1. specific protein synthesis
                                                                  3. the other being
                                                                    1. PROTEIN HORMONES
                                                                      1. are
                                                                        1. water soluble
                                                                          1. therefore
                                                                            1. combine with receptor sites of cell membranes
                                                                              1. causes
                                                                                1. adenylyl cyclase sythesis
                                                                                  1. which
                                                                                    1. converts ATP to cyclic AMP
                                                                                      1. which
                                                                                        1. activates enzymes
                                                                        2. made from
                                                                          1. chains of amino acids
                                                                            1. examples are
                                                                              1. growth hormones and insulin
                                                                                1. which
                                                                    2. provide control of
                                                                      1. organs and tissues
                                                                  4. diagram
                                                                    1. DISEASES
                                                                      1. diabetes
                                                                        1. insufficient production of insulin
                                                                        2. hyperthyroidism
                                                                          1. overproduction of thyroxine can cause weight loss and high blood pressure.
                                                                          2. hypothyroidism
                                                                            1. lack of thyroid causes myxedema
                                                                              1. dry skin, weight gain, edema
                                                                            2. goiter
                                                                              1. Inadequate iodine in thyroid causes enlargement of thyroid gland
                                                                              2. dwarfism
                                                                                1. low secretion of somatotropin during childhood can cause dwarfism
                                                                              Show full summary Hide full summary

                                                                              Similar

                                                                              Biopsychology 5
                                                                              Ma R
                                                                              The Nervous System (NS) & The Endocrine System (ES)
                                                                              Jackson Maleary
                                                                              A-level French Vocabulary
                                                                              daniel.praecox
                                                                              GCSE Maths Notes: Averages
                                                                              Andrea Leyden
                                                                              Prueba de Aptitud Académica - Lenguaje
                                                                              Teresa Nadal
                                                                              IB Biology Topic 4 Genetics (SL)
                                                                              R S
                                                                              Haemoglobin
                                                                              Elena Cade
                                                                              GCSE Computing : OCR Computing Course Revision
                                                                              RoryOMoore
                                                                              An Inspector Calls- Quotes
                                                                              ae14bh12
                                                                              Specific Topic 7.3 Timber selection
                                                                              T Andrews
                                                                              General Pathoanatomy Final MCQs (111-200)- 3rd Year- PMU
                                                                              Med Student