The JAWSII Full Wrap Fence Brackets attach wood fence rails to metal fence posts, eliminating rotted and failed wood posts. These brackets are designed to use with standard 2-3/8 outer diameter steel tubing.
Synonym(s): head presentation. (in obstetrics) a fetal presentation in which the vertex of the fetus is the part nearest to the cervical os and can be expected to be born first. Compare breech presentation. vertex presentation.
When viewed from the fetal surface, the placenta is a flat, smooth disk with the umbilical cord entering perpendicularly near its center. Fetal vessels radiate from the umbilical cord between the amnion and chorion like the spokes of a wheel (Fig. 5).