Term 'hormone' was coined by

Options

A. E.H. Starling
B. G.W. Harris
C. E.H. Schally
D. W.M. Bayliss.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the individual who coined the term 'hormone'.

2. **Identifying the Options**: The options provided are:
- E.H. Starling
- G.W. Harris
- E.H. Shelley
- W.M. Bayliss

3. **Researching the Origin of the Term**: The term 'hormone' was first used by E.H. Starling during a lecture in London in 1902.

4. **Connecting the Term to Discovery**: E.H. Starling is also associated with the discovery of the first hormone, which is secretin. This hormone was discovered in collaboration with W.M. Bayliss.

5. **Eliminating Incorrect Options**:
- G.W. Harris is known as the father of neuroendocrinology, but he did not coin the term 'hormone'.
- E.H. Shelley is not associated with the term 'hormone'.
- W.M. Bayliss contributed to the discovery of secretin but did not coin the term.

6. **Conclusion**: Based on the information gathered, the correct answer to the question is E.H. Starling.

**Final Answer**: The term 'hormone' was coined by E.H. Starling.

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