IntroductionIntroduction The difference between the glands The difference between the glands channels and Endocrinology.channels and Endocrinology. What is the difference between the What is the difference between the enzyme and hormone.enzyme and hormone. Definition Hormone.Definition Hormone. Types of hormone.Types of hormone. Definition glands.Definition glands. Endocrinology.Endocrinology. The most important endocrine glandsThe most important endocrine glands..

The difference between the glands The difference between the glands channels and Endocrinologychannels and Endocrinology

-- Glands channels:Glands channels:Movement of secretions in the channels for Movement of secretions in the channels for pouring in the body cavities. pouring in the body cavities.

ExampleExample:: Salivary glands ,Sweat glands Salivary glands ,Sweat glands . .-- EndocrinologyEndocrinology

Pour their secretions directly into the blood.Pour their secretions directly into the blood. Example:Example: pituitary gland, thyroid gland . pituitary gland, thyroid gland .-- Mixed glandsMixed glands

Contains two kinds of cells.Contains two kinds of cells.II:: secreted hormones pouring directly into the secreted hormones pouring directly into the blood.blood.IIII:: secretes other substances as coenzymes is secretes other substances as coenzymes is transmitted by the channels.transmitted by the channels.Example:Example: liver, pancreas. liver, pancreas.

What is the difference What is the difference between the enzyme and between the enzyme and

hormonehormone All proteinAll protein

Difference :Difference : HormoneHormone:: a substance that a regulator of a substance that a regulator of

vital activities in the body, such as working vital activities in the body, such as working as an organizer for the secretion of enzymes.as an organizer for the secretion of enzymes.

The enzymeThe enzyme:: help to complete the reactions help to complete the reactions

that occur body Khim food particles such as that occur body Khim food particles such as complex sugars .complex sugars .

Definition HormoneDefinition Hormone::  A chemical secreted by the endocrine glands in A chemical secreted by the endocrine glands in the blood directly to perform a particular function the blood directly to perform a particular function and that function of hormones in general, and that function of hormones in general, coordinate the work of members of the body.coordinate the work of members of the body.

Types of hormoneTypes of hormone::1-1- protein hormones protein hormones such as such as insulininsulin ..2-2- Steroid hormones Steroid hormones such assuch as sex hormones . sex hormones .3-3- Amino acid hormones Amino acid hormones such assuch as thyroxine . thyroxine . Definition glandsDefinition glands::    Members of tissue found in the body in different Members of tissue found in the body in different

places, consisting of the cells release chemicals places, consisting of the cells release chemicals called: "Hormones“.called: "Hormones“.

EndocrinologyEndocrinology

A group of cells that secrete A group of cells that secrete substances called hormones substances called hormones that affect the rest of the that affect the rest of the cells of the bodycells of the body . .

Glands function in an orderly Glands function in an orderly fashion with the nervous fashion with the nervous system, which plays an system, which plays an important role in the important role in the secretion of certain secretion of certain hormoneshormones. .

The most important endocrine The most important endocrine glandsglands::

A-A- Pituitary glandPituitary gland:: found in the base found in the base of the brain .of the brain .

  Secretes hormonesSecretes hormones::

1 -1 - Growth Hormone. Growth Hormone.2 -2 - stimulating hormone of the thyroid stimulating hormone of the thyroid gland.gland.3 -3 - Hormone Hormone prolactin.prolactin.4 -4 - Hormone Hormone ACTH.ACTH.5 -5 - Hormone Hormone MSH.MSH.6 -6 - Hormone ( Hormone (GonadotrophineGonadotrophine).).7-7- Hormone Hormone ADHADH or or Vasopressin.Vasopressin.

8-8- OxytocinOxytocin Hormone. Hormone.

B- B- Thyroid glandsThyroid glands : :  Found in the front area of the neck Found in the front area of the neck in front of the trachea .in front of the trachea . Secrete a Hormone called  Secrete a Hormone called Althairoxin.Althairoxin. There are also cells in the thyroid  There are also cells in the thyroid gland secrete gland secrete calcitonincalcitonin..

C- C- Parathyroid glandsParathyroid glands:: Number four are in the back of the  Number four are in the back of the thyroid gland.thyroid gland.Produce the Hormone Produce the Hormone AlbarrathormonAlbarrathormon

D- D- Pancreas Pancreas ::There are behind the stomach, There are behind the stomach, containing the islands of Langerhans.containing the islands of Langerhans.

1-1- Alpha cells secrete glucagon . Alpha cells secrete glucagon . 2-2-  Beta-cells secrete insulinBeta-cells secrete insulin Inzim Inzim

sugar in the body .sugar in the body .

E-E- Adrenal glandsAdrenal glands : :Two glandsTwo glands located above the located above the kidneys.kidneys. Produce the Hormone  Produce the Hormone cortisol.cortisol.

F- F- Genital (testicular and Genital (testicular and ovarian):ovarian):-- Testes produce androgens, the Testes produce androgens, the most important testosterone.most important testosterone.-- The ovaries produce estrogens Such The ovaries produce estrogens Such as Alestreol , Cholesterol . as Alestreol , Cholesterol .

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