Endocrine System Flashcards
What do Endocrine Glands do?
They secrete internally. They send hormones via the blood stream
What do Exocrine glands do?
Secrete externally through ducts
What hormones does the Thyroid Gland produce?
Thyroxin and Calcitonin
What Hormones does the Parathyroid gland produce?
Parathormone
What hormones does the Adrenal cortex gland produce?
Glucocorticoids
Mineralocorticoids
Gonadocorticoids
What hormones does the Adrenal Medulla gland produce?
Adrenaline (Epinephrine) and Noradrenaline (Norepinephrine)
What hormones does the pituitary gland produce?
Growth Hormone Thyroid stimulating hormone (TSH) Adrenocorticotrophic hormone (ACTH) Follicle stimulating hormone (FSH) Luteinizing hormone (LH) Prolactin Oxytocin Antidiuretic hormone (ADH)
What hormones does the pancreas gland produce?
Insulin, Glucagon and Somatostatin
What hormones does the ovary gland produce?
Oestrogen and Progesterone
What hormones does the testis gland produce?
Testosterone
What hormones does the Pineal gland produce?
Melatonin
What is the action of the hormone Melatonin?
Coordinating circadian and diurnal rhythms
What is the action of the hormone testosterone?
Male Characteristics Spermatogenesis
What is the action of the Hormone Progesterone?
Prepare the uterus and maintains pregnancy
What is the action of the hormone Oestrogen?
Female sec characteristics and oestrus behaviour
What is the action of the hormone Somatostatin?
Smooths out blood glucose fluctuations
What is the action of the hormone Glucagon?
Increases blood glucose
What is the action of the hormone Insulin?
Decreases blood glucose
What is the action of the Antidiuretic hormone (ADH)?
Reabsorption of water from renal collecting ducts
What is the action of the oxytocin hormone?
Milk let down, uterine contraction and parturition
What is the action of the hormone prolactin?
Stimulates formation of milk
What is the action of the Luteinizing hormone (LH)?
Ovulation and development of the corpus luteum
What is the action of the Adrenocorticotrophic hormone (ACTH)?
Stimulates adrenal cortex
What is the action of the Follicle stimulating hormone (FSH)?
Stimulates growth of ovarian follicle
What is the action of the Thyroid stimulating hormone (TSH)?
stimulates thyroid gland activity
What is the action of the growth hormone?
Stimulates growth
What is the action of the Noradrenaline (norepinephrine) hormone?
Sympathetic nerve system
What is the action of the Adrenaline (Epinephrine) hormone?
Sympathetic nerve system
What is the action of the hormone Gonadocorticoids?
Male and female sex hormone
What is the action of the hormone Mineralocorticoids?
Potassium and sodium levels
What is the action of the hormone Glucocorticoids?
Protein and carbohydrate metabolism and ani-inflammatory
What is the action of the hormone Parathormone?
Regulates calcium and phosphorus levels
What is the action of the hormone Calcitonin?
Regulates calcium level
What is the action of the hormone Thyroxin?
Increases metabolic rate
What are the symptoms of hyperthyroidism?
Underweight, Active, aggressive, polyphagia and tachycardia
What is Diabetes Mellitus?
Lack of insulin
What are the symptoms of diabetes mellitus?
Hyperglycaemia, glycosuria and underweight as the body uses fat and protein stores as energy
What does Hyperadrenocorticalism lead to?
Cushings disease
What are the symptoms of Hyperadrenocorticalism?
Polydipsia, polyuria, polyphagia, bilateral symmetrical alopecia
What does Hypothyroidism cause in young animals?
Dwarfism
What does Hypothyroidism cause in older animals?
Myxodema - Sluggish , overweight, alopecia and bradycardia
What does autocrine mean?
Of or relating to a hormone that has an effect on the original cell that produced it
What does paracrine mean?
Of or elation get to a hormone that has an effect on local cells
What is negative feedback?
Increased levels of a hormone detected results in decreased levels of hormone production
What is positive feedback?
Increased levels of hormone result in even more hormone being produced by the gland
What hormones does the anterior pituitary gland produce?
Adrenocorticotrophic hormone (ACTH) Follicle-stimulating hormone (FSH) Growth hormone (GH) or somatotropin Luteinising hormone (LH) Prolactin Thyroid-stimulating hormone (TSH)
What hormones does the posterior pituitary gland produce?
Antidiuretic hormone (ADH) aka vasopressin Oxytocin