Welcome to the Bionalogy website!

This resource is dedicated to students and practitioners
of nursing and midwifery.


The aim is to make use of metaphors, models, and analogies where appropriate as a way of understanding biological themes linked with health care.

There are two main sections:

1 Understanding the body - this is about the general structure and function of the body after birth

2 Prenatal development - this is about development of the body before birth

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There is a brief discussion of what I mean by metaphors, models and analogies here.


I am archiving drawings I have used for teaching here.


Book news here.


A note about systems theory here

This resource will be added to gradually over time, so please revisit!
Recent addition: drawings of the embryonic eye.

If you have any comments or suggestions,
please contact Richard Dryden:

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What is an analogy? The body Before birth