ANAT 1502 Intro to Embryology

ANAT 1502 Intro to Embryology - 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 Monday, July 12, 2010
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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 Monday, July 12, 2010
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• Gestational Age: First day of last normal menstrual period. • Fertilization Age: Gestational age - 2 Weeks Monday, July 12, 2010
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1st Week of Development • Fertilization • Cleavage • Blastocyst formation Monday, July 12, 2010
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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 Monday, July 12, 2010
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Results of Fertilization • Zygote • Restores normal diploid number of chromosomes • Variation of species • Gender determination • Initiation of cleavage Monday, July 12, 2010
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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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ANAT 1502 Intro to Embryology - Human development begins at...

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