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The endocrine system. Prepared by: Sharina Hadji Manan Johara T. Udtog. Hormones. [Gk. Hormao instigate], are chemical messenger produced in one part of the body that controls the activity of other parts. Three types of HORMONES. Steroid Hormone Derivatives of the Amino Acid Tyrosine

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the endocrine system

The endocrine system

Prepared by:

SharinaHadjiManan

Johara T. Udtog

slide2

Hormones

[Gk. Hormaoinstigate], are chemical messenger produced in one part of the body that controls the activity of other parts.

three types of hormones
Three types of HORMONES
  • Steroid Hormone
  • Derivatives of the Amino Acid Tyrosine
  • Proteins or Peptides
slide5

Endocrine Gland:HypothalamusHormone Released:

Hypothalamic -releasin & release-inhibiting hormones

Target Tissues/Organs:

Anterior pituitary

Function(s) of Hormones:

Regulate anterior pituitary hormones

slide6

Endocrine Gland:Posterior pituitaryHormone Released:

Antidiuretic (ADH)

Target Tissues/Organs:

Kidneys

Function(s) of Hormones:

Stimulates water reabsorptionby kidneys

slide7

Endocrine Gland:Posterior pituitaryHormone Released:

Oxytocin

Target Tissues/Organs:

Uterus, mammary glands

Function(s) of Hormones:

Stimulates uterine muscle construction, release of milk by mammary glands

slide8

Endocrine Gland:Anterior PituitaryHormone Released:

Thyroid-stimulating (TSH)

Target Tissues/Organs:

Thyroid

Function(s) of Hormones:

Stimulates thyroid hormone

Synthesis and secretion

slide9

Endocrine Gland:Anterior PituitaryHormone Released:

Adrenocorticotropic (ACTH)

Target Tissues/Organs:

Adrenal cortex

Function(s) of Hormones:

Stimulates adrenal cortex

slide10

Endocrine Gland:Anterior PituitaryHormone Released:

Gonadotropic [follicle-Gonads stimulating (FSH),luteinizing (LH)

Target Tissues/Organs:

Gonads

Function(s) of Hormones:

Egg and sperm production and sex hormone production

slide11

Endocrine Gland:Anterior PituitaryHormone Released:

Prolactin (PRL)

Target Tissues/Organs:

Mammary glands

Function(s) of Hormones:

Milk production

slide12

Endocrine Gland:Anterior PituitaryHormone Released:

Growth (GH)

Target Tissues/Organs:

Soft tissues bones

Function(s) of Hormones:

Cell division, protein synthesis and bone growth

slide13

Endocrine Gland:Anterior PituitaryHormone Released:

Melanocyte-stimulating (MSH)

Target Tissues/Organs:

Melanocytes in skin

Function(s) of Hormones:

Unknown function in humans regulates skin color in lower vertebrate

slide14

Endocrine Gland:ThyroidHormone Released:

Thyroxine (T4) and triidothyronine (T3)

Target Tissues/Organs:

All tissues

Function(s) of Hormones:

Increase metabolic rate; Regulates growth and development

slide15

Endocrine Gland:ParathyroidHormone Released:

Parathyroid (PTH)

Target Tissues/Organs:

Bones, kidneys, intestine

Function(s) of Hormones:

Raises blood calcium level

slide16

Endocrine Gland:ThyroidHormone Released:

Calcitonin

Target Tissues/Organs:

Bones, kidneys, intestine

Function(s) of Hormones:

Lower blood calcium level

slide17

Endocrine Gland:Adrenal cortexHormone Released:

Glucocorticoids (cortisol)

Target Tissues/Organs:

All tissues

Function(s) of Hormones:

Raises blood glucose level; stimulate breakdown of protein

slide18

Endocrine Gland:Adrenal cortexHormone Released:

Mineralocorticoids (cortisol)

Target Tissues/Organs:

All tissues

Function(s) of Hormones:

Reabsorb sodium and excrete potassium

slide19

Endocrine Gland:Adrenal cortexHormone Released:

Sex hormones

Target Tissues/Organs:

Gonads, skin, muscles, bones

Function(s) of Hormones:

Stimulate reproductive organs and bring about sex characteristics

slide20

Endocrine Gland:Adrenal medullaHormone Released:

Epinephrine and norepinephrine

Target Tissues/Organs:

Cardiac and other muscles

Function(s) of Hormones:

Emergency situations; raise blood glucose level

slide21

Endocrine Gland:PancreasHormone Released:

Insulin

Target Tissues/Organs:

Liver, muscles; adipose tissues

Function(s) of Hormones:

Lower blood glucose level; promotes formation of glycogen

slide22

Endocrine Gland:PancreasHormone Released:

Glucagon

Target Tissues/Organs:

Liver, muscles; adipose tissues

Function(s) of Hormones:

Raises blood glucose level

slide23

Endocrine Gland:TestesHormone Released:

Androgens (testosterone)

Target Tissues/Organs:

Gonads, skin, muscles, bones

Function(s) of Hormones:

Stimulate secondary male sex characteristics

slide24

Endocrine Gland:OvariesHormone Released:

Estrogens and progesterone

Target Tissues/Organs:

Gonads, skin, muscles, bones

Function(s) of Hormones:

Stimulate female sex characteristics

slide25

Endocrine Gland:Pineal glandHormone Released:

Melatonin

Target Tissues/Organs:

Brain

Function(s) of Hormones:

Circadian and circannual rhythms; possibly involved in maturation of sex organs

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