---
title: "1 Embryo Separates Quotes by 1 author"
description: "Browse 1 Embryo Separates quotes by 1 author. Discover the best Embryo Separates 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)

```json
{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "ItemList",
            "@id": "https://sms4smile.com/quotes/about/embryo-separates/#itemlist",
            "name": "Embryo Separates Quotes",
            "numberOfItems": 1,
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "item": {
                        "@type": "Quotation",
                        "text": "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. During the formation of these, the embryo separates into strata, so that the two main tubes are composed of subordinate tubes which enclose each other as fundamental organs, and are capable of developing into all the organs.",
                        "creator": {
                            "@type": "Person",
                            "name": "Karl Ernst von Baer"
                        },
                        "url": "https://sms4smile.com/quotes/karl-ernst-von-baer/the-development-of-the-vertebrate-proceeds-from-an-axis-upward-in-two/",
                        "image": {
                            "@type": "ImageObject",
                            "@id": "https://sms4smile.com/quotes/i/bd5/karl-ernst-von-baer-61894_axes_the-development-of-the-vertebrate-procee_470676.png",
                            "contentUrl": "https://sms4smile.com/quotes/i/bd5/karl-ernst-von-baer-61894_axes_the-development-of-the-vertebrate-procee_470676.png",
                            "url": "https://sms4smile.com/quotes/i/bd5/karl-ernst-von-baer-61894_axes_the-development-of-the-vertebrate-procee_470676.png",
                            "width": 1080,
                            "height": 1080,
                            "caption": "“The development of the Vertebrate proceeds from an axis upward, in two layers, which coalesce at the edges…” — Karl Ernst von Baer",
                            "creditText": "SMS4Smile Quotes",
                            "creator": {
                                "@id": "https://sms4smile.com/quotes/#organization"
                            }
                        }
                    }
                }
            ]
        },
        {
            "@type": "CollectionPage",
            "@id": "https://sms4smile.com/quotes/about/embryo-separates/#webpage",
            "url": "https://sms4smile.com/quotes/about/embryo-separates/",
            "name": "Embryo Separates Quotes",
            "isPartOf": {
                "@id": "https://sms4smile.com/quotes/#website"
            },
            "mainEntity": {
                "@id": "https://sms4smile.com/quotes/about/embryo-separates/#itemlist"
            },
            "primaryImageOfPage": {
                "@id": "https://sms4smile.com/quotes/i/bd5/karl-ernst-von-baer-61894_axes_the-development-of-the-vertebrate-procee_470676.png"
            },
            "description": "Browse 1 Embryo Separates quotes by 1 author. Discover the best Embryo Separates sayings and thoughts.",
            "breadcrumb": {
                "@id": "https://sms4smile.com/quotes/about/embryo-separates/#breadcrumb"
            }
        },
        {
            "@type": "BreadcrumbList",
            "@id": "https://sms4smile.com/quotes/about/embryo-separates/#breadcrumb",
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "name": "Home",
                    "item": "https://sms4smile.com/"
                },
                {
                    "@type": "ListItem",
                    "position": 2,
                    "name": "Quotes",
                    "item": "https://sms4smile.com/quotes/"
                },
                {
                    "@type": "ListItem",
                    "position": 3,
                    "name": "Topics",
                    "item": "https://sms4smile.com/quotes/categories/"
                },
                {
                    "@type": "ListItem",
                    "position": 4,
                    "name": "Embryo Separates Quotes",
                    "item": "https://sms4smile.com/quotes/about/embryo-separates/"
                }
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://sms4smile.com/quotes/#website",
            "name": "SMS4Smile Quotes",
            "url": "https://sms4smile.com/quotes/",
            "publisher": {
                "@id": "https://sms4smile.com/quotes/#organization"
            }
        },
        {
            "@type": "Organization",
            "@id": "https://sms4smile.com/quotes/#organization",
            "name": "SMS4Smile Quotes",
            "url": "https://sms4smile.com/quotes/",
            "logo": {
                "@type": "ImageObject",
                "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png",
                "width": 512,
                "height": 512
            }
        }
    ]
}
```