Teratogensis: Caudal Dysgenesis ( sirenomelia) The third week of development is the period of greatest sensitivity for teratogensis (Sadler 2010). In caudal dysgenesis (sirenomelia) genetic abnormalities and toxins disrupt normal gastrulation. A more common name for sirenomelia is the mermaid syndrome. Sirenomelia is characterized by insufficient mesoderm formed in the caudalmost region of the embryo. The mesoderm contributes to the formation of the lower limbs‚ urogenital system and the lumbosacral
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Congenital Anomaly Worksheet Anomaly Name: CAUDAL REGRESSION SYNDROM Synonym - SIRENOMELIA - most severe form of CRS Incidence: One in 20 000 - 100 000 births. Diagnosis: The caudal Aplasia - Dysplasia sequence ic caused by a partial or total absence of the distal part of the NEURAT TUBE. This results in anomalies of the lower limb and of the gastrointestinal & nrogenital tracts. Mostly sporadic occurrence‚ genetically HETEROGENEOUSE. Autosomal or X - chromosomal - dominant inheritance
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As the novel goes on we come to find out that Dr. Swenson is seventy-three years old and is pregnant. The baby was born dead with birth abnormalities‚ Sirenomelia‚ also known as mermaid syndrome. The legs of the fetus are fused together into a single tail‚ no visible genitalia‚ a very rare condition (Patchett326). The baby was nothing more than a scientific experiment. According to the author Ann Patchett
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Slavery is a system under which people are treated as property to be bought and sold‚ and are forced to work. Slaves can be held against their will from the time of their capture‚ purchase or birth‚ and deprived of the right to leave‚ to refuse to work‚ or to demand compensation. Historically‚ slavery was institutionally recognized by most societies; in more recent times‚ slavery has been outlawed in all countries‚ but it continues through the practices of debt bondage‚ indentured servitude‚ serfdom
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The Morality and Immorality of Plastic Surgery Camille Janine L. Icaro‚ Francis Jestin S. Aquino‚ and Marla Andrea G. Mendoza De La Salle Lipa Integrated School Authors’ Note Aquino‚ Francis Jestin S.‚ Level 10 student‚ De La Salle Lipa; Icaro‚ Camille Janine L.‚ Level 10 student‚ De La Salle Lipa; and Mendoza‚ Marla Andrea G.‚ Level 10 student‚ De La Salle Lipa; Correspondence to this article is to be addressed to Marla Andrea Mendoza‚ Level 10 student‚ De La Salle Lipa-Integrated
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Symposis of General Embryology Professor Adel K.AbdelMalek MbChB‚MsC‚MMed‚Ph.D 2013 CONTENTS 1 Intoduction 1 2 Gametogenesis 5 Spermatogenesis 6 Oogenesis 9 3 Female reproductive cycles 12 Ovarian cycle 12 Menstrual cycle 15 4 Fertilization 18 Contraceptive methods 20 Infertility 21 Cloning 23 5 Early embryonic
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