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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Placenta
Videos
The placenta is a temporary embryonic and later fetal organ that begins developing from the blastocyst shortly after implantation. It plays critical roles in facilitating nutrient, gas, and waste exch
Human placenta from just after birth with the umbilical cord in place
Human placenta from just after birth with the umbilical cord in place
High-magnification H&E micrograph of a cross-section of a chorionic villus at term with main cell types. Insert shows the syncytiotrophoblast and endo
High-magnification H&E micrograph of a cross-section of a chorionic villus at term with main cell types. Insert shows the syncytiotrophoblast and endothelial cells which are the main components of the barrier that separate the fetal blood from the maternal blood that surrounds the villi.
Ultrasound image of human placenta and umbilical cord (color Doppler rendering) with central cord insertion and three umbilical vessels, at 20 weeks o
Ultrasound image of human placenta and umbilical cord (color Doppler rendering) with central cord insertion and three umbilical vessels, at 20 weeks of pregnancy
Micrograph of a cytomegalovirus (CMV) infection of the placenta (CMV placentitis). The characteristic large nucleus of a CMV-infected cell is seen off
Micrograph of a cytomegalovirus (CMV) infection of the placenta (CMV placentitis). The characteristic large nucleus of a CMV-infected cell is seen off-centre at the bottom-right of the image. H&E stain.
Umbilical cord
Videos
In placental mammals, the umbilical cord is a conduit between the developing embryo or fetus and the placenta. During prenatal development, the umbilical cord is physiologically and genetically part o
Placenta
…endocrine organ, producing hormones that regulate both maternal and fetal physiology during pregnancy. The placenta connects to the fetus via the umbilical cord, and on the opposite aspect to the maternal uterus in a species-dependent manner. In humans, a thin layer of maternal decidual (endometrial) tissue…
Umbilical cord of a three-minute-old baby. A medical clamp has been applied.
Umbilical cord of a three-minute-old baby. A medical clamp has been applied.
Cross-sectional micrograph of the human umbilical cord. H&E stain. Labelled allantoic duct is also known as the urachus.
Cross-sectional micrograph of the human umbilical cord. H&E stain. Labelled allantoic duct is also known as the urachus.
A knotted cord on a newborn baby
A knotted cord on a newborn baby
The umbilical cord is about to be cut with scissors via caesarean section
The umbilical cord is about to be cut with scissors via caesarean section