1 ΑΝΑΠΤΥΞΗ ΕΜΒΡΥΩΝ Σαβ Ιουν 12, 2010 10:59 am
Elena K.
Πανταχού παρούσα!
Ποιά είναι η "φυσιολογική ανάπτυξη" του εμβρύου τη στιγμή της εμβρυομεταφοράς?
'Ωρες μετά τη γονιμοποίηση ή ICSI:
4 κύτταρα στις 48 ώρες
8 κύτταρα 72 ώρες (3 μέρες)
*Morula stage στις 96 ώρες
**Blastocyst formation (στάδιο βλαστοκύστης) στις 120 ώρες (5 μέρες)
*What is a Morula?
Όταν το έμβρυο φτάνει τα 16-32 κύτταρα, τότε καλείται morula (mulberry shaped).
**Τί ειίναι η βλαστοκύστη? (Blastocyst)
As the morula continues to divide, it forms an outer shell of cells (the trophoblast) around a fluid-filled cavity (the blastocele) containing an inner cell mass (the embryoblast). At this point, the organism is called a blastocyst. An embryo usually reaches the blastocyst stage around Day 5, which is when it would normally be entering the uterus during a natural cycle. The trophoblast and embryoblast cells will continue to differentiate from one another as cell division continues within the blastocyst, laying the groundwork for the placenta to grow from the trophoblast, and the fetus to develop from the inner cell mass.
'Ωρες μετά τη γονιμοποίηση ή ICSI:
4 κύτταρα στις 48 ώρες
8 κύτταρα 72 ώρες (3 μέρες)
*Morula stage στις 96 ώρες
**Blastocyst formation (στάδιο βλαστοκύστης) στις 120 ώρες (5 μέρες)
*What is a Morula?
Όταν το έμβρυο φτάνει τα 16-32 κύτταρα, τότε καλείται morula (mulberry shaped).
**Τί ειίναι η βλαστοκύστη? (Blastocyst)
As the morula continues to divide, it forms an outer shell of cells (the trophoblast) around a fluid-filled cavity (the blastocele) containing an inner cell mass (the embryoblast). At this point, the organism is called a blastocyst. An embryo usually reaches the blastocyst stage around Day 5, which is when it would normally be entering the uterus during a natural cycle. The trophoblast and embryoblast cells will continue to differentiate from one another as cell division continues within the blastocyst, laying the groundwork for the placenta to grow from the trophoblast, and the fetus to develop from the inner cell mass.