Embryology

10.

Comparative Embryology

10.1.

Evolutionary Conservation of Developmental Processes

10.1.1.

Homology in Development

10.1.2.

Conservation of Genetic Pathways

10.2.

Model Organisms in Developmental Biology

10.2.1.

Criteria for Model Organisms

10.2.2.

10.2.2.1.

10.2.2.2.

Genetic Studies

10.2.3.

10.2.3.1.

Embryonic Development

10.2.3.2.

Experimental Manipulation

10.2.4.

10.2.4.1.

Embryo Accessibility

10.2.4.2.

Somite Formation

10.2.5.

10.2.5.1.

Transparent Embryos

10.2.5.2.

Rapid Development

10.2.6.

10.2.6.1.

Mammalian Development

10.2.6.2.

Genetic Manipulation

10.3.

Homologous and Analogous Structures

10.3.1.

Definitions and Examples

10.3.2.

Significance in Evolution

10.4.

The Phylotypic Stage

10.4.1.

Concept and Evidence

10.4.2.

Developmental Hourglass Model

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9. Clinical Embryology and Teratology

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1. Introduction to Developmental Biology and Embryology