---
title: "1 Developing Organs Quotes by 1 author"
description: "Browse 1 Developing Organs quotes by 1 author. Discover the best Developing Organs sayings and thoughts."
image: "https://sms4smile.com/quotes/i/bd5/karl-ernst-von-baer-61894_axes_the-development-of-the-vertebrate-procee_470676.png"
---

> [The development of the Vertebrate proceeds from an axis upward, in two layers, which coalesce at the edges, and also downward, in two layers, which likewise coalesce at the edges. Thus two main tubes are formed, one above the other.…](https://sms4smile.com/quotes/karl-ernst-von-baer/the-development-of-the-vertebrate-proceeds-from-an-axis-upward-in-two/)

[Karl Ernst von Baer](https://sms4smile.com/quotes/author/karl-ernst-von-baer/)

[Image](https://sms4smile.com/quotes/i/bd5/karl-ernst-von-baer-61894_axes_the-development-of-the-vertebrate-procee_470676.png)

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