7. Human Endocrine System

1. Core Content

Introduction

Difference between an endocrine and an exocrine gland

Definition of a hormone

Location of each of the following glands, using a diagram, the hormones they secrete and function(s) of each hormone:

• Hypothalamus (ADH)

• Pituitary/Hypophysis (GH, TSH, FSH, LH, prolactin)

• Thyroid glands (thyroxin)

• Islets of Langerhans in the pancreas (insulin, glucagon)

• Adrenal glands (adrenalin, aldosterone)

• Ovary (oestrogen, progesterone)

• Testis (testosterone)

Negative feedback mechanism involving:

• TSH and thyroxin (and the result of an imbalance: thyroid disorders)

• Insulin and glucagon (and the result of an imbalance: diabetes mellitus)