Did you mean : Placental Structure
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en.wikipedia.org/wiki/Placenta

Structure. Placental mammals, such as humans, have a chorioallantoic placenta that forms from the chorion and allantois.In humans, the placenta averages 22 cm (9 inch) in length and 2–2.5 cm (0.8–1 inch) in thickness, with the center being the thickest, and the edges being the thinnest.

www.biologydiscussion.com/human-development/placenta-structure-and...

Placenta is a structure that establishes firm connection between the foetus and the mother. From the outer surface of the chorion a number of finger like projections known as chorionic villi grow into the tissue of the uterus.

study.com/academy/lesson/the-placenta-and-the-fetus...

Placenta Structure and Function The placenta provides nutrients to the fetus. So, you may remember that the placenta is the composite structure of embryonic and maternal tissues that supplies ...

www.ncbi.nlm.nih.gov/books/NBK53256

Villous “trees” are the main structure of the placenta. Based on the developmental stage, villous structure, vessel branches, histologic features, and vessel-cell type components, at least five types of villi have been described [].An illustration of the architecture of different villous trees is shown in Figure 3.1A.

www.vivo.colostate.edu/hbooks/pathphys/reprod/placenta/structure.html

The placentas of all eutherian (placental) mammals provide common structural and functional features, but there are striking differences among species in gross and microscopic structure of the placenta.

academic.oup.com/bjaed/article/15/2/84/248526

Placental structure. The placenta is a disc-shaped organ which provides the sole physical link between mother and fetus. During pregnancy, the placenta grows to provide an ever-larger surface area for materno-fetal exchange.

quizlet.com/21481019/placenta-structure-flash-cards

Placenta Structure. STUDY. PLAY. Choriovitelline. The vitelline takes up the whole of the inner embryonic layer and surrounds the embryo. The allantois shrinks. ... (nutrients) from the mother to diffuse into the placenta. Horse. This animal's placenta is diffuse, central, choriovitelline then chorioallantoic and villous. Endometrial cups form ...

www.mayoclinic.org/.../in-depth/placenta/art-20044425

The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to your growing baby and removes waste products from your baby's blood.

americanpregnancy.org/while-pregnant/fetal-life-support-system

The placenta is expelled from the uterus in a process called the after-birth. One possible problem in pregnancy is placenta previa, where the placenta is attached near or over the cervix. As the fetus grows, pressure on the placenta can cause bleeding.

www.sciencedirect.com/science/article/pii/S0143400414000861

The placenta is the least understood human organ and arguably one of the more important, not only for the health of a woman and her fetus during pregnancy but also for the lifelong health of both.