Introduction Wk1 - Human development begins at...

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Human development begins at fertilization and ends at death Embryology is the study of human development from fertilization until birth
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Importance of Embryology Embryology allows us to understand the normal relationships of structures and the causes of congenital anomalies Knowledge of embryology helps the primary care giver provide the embryo the best chance of survival Advisement
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Gestational Age: First day of last normal menstrual period. Fertilization Age: 2 Weeks after gestational age
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1st Week of Development Fertilization Cleavage Blastocyst formation
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Fertilization Site: ampulla of uterine tube Capacitation of sperm Phases passage through the corona radiata passage through zona pellucida (impermeable) fusion of plasma membranes completion of 2nd meiotic division of oocyte formation of male/female pronuclei mitosis
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Results of Fertilization Zygote Restores normal diploid number of chromosomes Variation of species Gender determination Initiation of cleavage
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This note was uploaded on 11/21/2011 for the course ANAT 1502 taught by Professor Johnh.romfh during the Spring '10 term at Life Chiropractic College West.

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Introduction Wk1 - Human development begins at...

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