This textbook on embryology in English "Embryology for stud nts of Biology sp ci lit " prepared in accordance with the working program for students of multilingual groups of the faculty of science of higher educational institutions. The main purpose of the manual - to help students of natural science, studying biology, improve their knowledge of embryology in English. The manual consists of 26 lectures on some of the main problems of embryology of animals and humans. In addition, the key concepts and glossary of the main specific terms, as well as test questions are given. The material of this textbook is designed to help students studying English in the special field of "Biology" to master the vocabulary necessary for reading and translating scientific texts, as well as to work out the skills of oral presentations and presentations. It is designed to save students' time and optimize their practical work.