*Explanation of the letters IP is given in IEC 60529 (Ed. 2.1), clause 4.1 First Digit: Solids The first digit indicates the level of protection that the enclosure provides against access to hazardous parts (e.g., electrical conductors, moving parts) and the ingress of solid foreign objects.ontact DSM&T on your next project and see what we can do for you. Page 1 of 3 IP RatIngIP Code The IP Code (or International Protection Rating, sometimes also interpreted as Ingress Protection Rating) * consists of the letters IP followed by two digits and an optional letter.
The basal plate, the peripheral region of the placenta on the maternal side that is in contact with the uterine wall, is made up of two tissues: embryonic tissue (cytotrophoblast, syncytiotrophoblast), on the one side, and of maternal tissue (decidua basalis) on the other.he fetal part of the placenta is made up of the chorionic plate with its placental villi, the cytotrophoblast layer and the intervillous spaces.
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. The placenta attaches to the wall of your uterus, and your baby's umbilical cord arises from it. In most pregnancies, the placenta attaches at the top or side of the uterus.