Beside the shelf
to keep the product clean after use
When the sealed diameter is less than 30mm
The other is 150um(micron size)
8 PCS Human Anatomical Embryonic Development Beside the shelf8 PCS Human Anatomical Embryonic Development Introduction Embryo development the model by the pregnancy one, two, three, four, five, six, seven months embryo and eight models such as five months of twins, four, five, six, seven months embryo and fetus five months twins model can be removed, and display the uterus, vagina, fetal umbilical cord, the placenta, amniotic cavity and ovarian, fallopian tube, such as structure, each model has the structure