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SBGR Development 1

SBGR ALH 175 Development 1 (2012 LS)

Fertilization Fusion of two haploid gametes
Embryological development Events that occur during the first two months after fertilization
Fetal development Begins the start of the 9th week and continues until birth
Gestation Time spent in prenatal development
Implantation Begins with the attachment of the blastocyst to the endometrium of the uterus
Amniotic cavity Fluid filled chamber
Yolk sac Primary nutrient source for inner cell mass
Amniotic fluid Surrounds and cushions the developing embryo or fetus
Placenta Primary support mechanism for developing embryo
Organogenesis Process of organ formation
Colostrum Contains antibodies that help an infant ward off infection until the infant’s own immune system becomes fully functional
Neonatal period Time immediately after birth and continuing through the first 28 days
Human chorionic gonadotropin (hCG) Presence in the blood or urine is an indication of pregnancy
Relaxin Peptide hormone that is secreted by the placenta and the corpus luteum
Development The gradual modification of anatomical structures and physiological characteristics from fertilization to maturity
Lysozyme Enzyme with antibiotic properties
Amnion One of the four extra-embryonic membranes; surrounds the developing embryo or fetus
Parturition Expulsion of the fetus and placenta
Chorion Combination of mesoderm and trophoblast that form the beginning of the placenta
Blastocyst Hollow ball of cells
Created by: SBGrandRapids