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Page 1: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.1(TE Art)

Pinealgland

Pituitarygland

Hypothalamus

Thyroid gland

Thymus

Adrenal glands

Pancreas

Testes

OvariesGonads

Parathyroid glands

Page 2: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.3(TE Art)

Endocrine system

Endocrinecells

Hormone in bloodstream

Nervous system

Page 3: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.1(TE Art)

Pinealgland

Pituitarygland

Hypothalamus

Thyroid gland

Thymus

Adrenal glands

Pancreas

Testes

OvariesGonads

Parathyroid glands

Page 4: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

hypothalamus

Pituitary gland

Page 5: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.
Page 6: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Hypothalamo-hypophyseal tract

StalkNeurohypophysis

Posterior lobe

Pars tuberalis

Anterior lobe

Adenohypophysis

Pituitary gland

Page 7: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.4a(TE Art)

Hypothalamohypophyseal tract

Posterior lobe

Paraventricular nucleus

Supraoptic nucleus

Oxytocin

ADH

Anterior lobe

Oxytocin = uterus & mammary glandsAntidiuretic hormone = kidneys

Page 8: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Superior hypophyseal artery

Posteriorpituitary

Anterior pituitary

Releasing hormones

“go and do something”hormones

Page 9: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.6(TE Art)

Growth hormone

ACTHTSH

prolactinLiver

Fat, muscle,bone

LHFSH

TRHGnRH

CRH

Hypothalamus

Adrenalcortex

OvaryTestis

Thyroid

Mammarygland

IGF

Page 10: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.10a(TE Art)Adrenal gland

Kidney

Adrenal cortex

Adrenal medulla• epinephrine• norepinephrine

Page 11: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Adrenal gland

Kidney

Adrenal cortex• mineralcorticoids• glucocorticoids• sex steroids

Adrenal medulla

Aldosterone (mineralcorticoid): kidney = retain Na, excrete K (water retained, BP)

Cortisol (glucocorticoid): fat & protein breakdown, glucose synthesis, fatty acid & glucoserelease into blood, help body adapt to stress, repair damaged tissues

Dehydroepiandrosterone (DHEA): weak testosterone = libido, 2nd sex characteristics

Page 12: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Cushing’s Syndrome – adrenal cortex – hypersecretion of cortisol

Page 13: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Thyroid

Thymus

Trachea

Page 14: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Thyroid gland Follicular cells: T3 & T4 – increase metabolic rateC cells: calcitonin – inhibits osteoclasts…..

Page 15: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Pharynx

Thyroid gland

Esophagus

Parathyroid glands

Trachea

Detect lowcalcium

Secrete PTH

• increase Ca absorption• inhibits Ca excretion• stimulates osteoclasts

Posterior view

Page 16: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.11a(TE Art)Bile duct

Duodenum

Head ofpancreas

Pancreaticducts

Body ofpancreas

Tail of pancreas

Page 17: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Pancreatic islet

cell-- insulin

cell -- somatostatin cell -- glucagon

Insulin: controls glucose transport into cells

Diabetes Type I: low or no B-cells, no insulin

Diabetes Type II: insulin insensitivity (receptor)• hyperglycemia• emaciation• atherosclerosis (fatty deposits)• ketoacidosis (low blood pH) = coma, death

Page 18: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

Fig. 18.1(TE Art)

Pinealgland

Pituitarygland

Hypothalamus

Thyroid gland

Thymus

Adrenal glands

Pancreas

Testes

OvariesGonads

Parathyroid glands

Page 19: Fig. 18.1(TE Art) Pineal gland Pituitary gland Hypothalamus Thyroid gland Thymus Adrenal glands Pancreas Testes Ovaries Gonads Parathyroid glands.

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