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DHGY341-34
DENTAL EMBRYOLOGY TERMINOLOGY
Term | Definition |
---|---|
somites | the dermis originates in the somite, the masses of mesoderm that lie on either side of the neural tube. |
proliferative period | implantation and enlargement of the blastocyst, which contains the embryonic tissue, occurs rapidly in this period, which last fo r2 weeks.at this time, fertilization, implantation , and formation of the embryonic disk take place. |
embryonic period | during this period, the different types of tissue develop and organize to form organ systems, heart forms and begins to beat by the fourth week, and the face and oral structures develop during weeks 4-7.the period of 2-8 weeks |
fetal period | during this period, the tissue that develop in the embryonic stage enlarge, differentiate, and become capable of function. 8- birth |
eight functions of cell | movement, conductivity, metabolic absorption, secretion, excretion, respiratory, reproduction |