Pineal gland Hypothalamus Pituitary gland Thyroid gland

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Presentation transcript:

Pineal gland Hypothalamus Pituitary gland Thyroid gland Parathyroid glands (on dorsal aspect of thyroid gland) Thymus Adrenal glands Pancreas Ovary (female) Testis (male)

Inferior hypophyseal artery Hypothalamic neurons synthesize oxytocin and ADH. 1 Paraventricular nucleus Hypothalamus Supraoptic nucleus Oxytocin and ADH are transported along the hypothalamic-hypophyseal tract to the posterior pituitary. 2 Optic chiasma Infundibulum (connecting stalk) Inferior hypophyseal artery Hypothalamic- hypophyseal tract Oxytocin and ADH are stored in axon terminals in the posterior pituitary. 3 Axon terminals Oxytocin and ADH are released into the blood when hypothalamic neurons fire. 4 Posterior lobe of pituitary Oxytocin ADH

Hyoid bone Thyroid cartilage Epiglottis Common carotid artery Superior thyroid artery Inferior thyroid artery Isthmus of thyroid gland Trachea Left subclavian artery Left lateral lobe of thyroid gland Aorta

. Follicle cells Colloid-filled follicles Parafollicular cell

. Pharynx (posterior aspect) Thyroid gland Parathyroid glands Esophagus Trachea

Chief cells (secrete parathyroid hormone) Oxyphil cells Capillary

. Capsule Zona glomerulosa Zona fasciculata Adrenal gland Cortex • Medulla • Cortex Zona reticularis Kidney Medulla Adrenal medulla

Hormones secreted Capsule Zona glomerulosa Aldosterone Zona fasciculata Adrenal gland • Medulla Cortisol and androgens • Cortex Zona reticularis Kidney Adrenal medulla Epinephrine and NE

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