Embryology
How each organ system forms, from the earliest folds of the embryo onward.
The path through this topic
0 of 9 steps done.
ReadFertilisation and the first weekFrom the meeting of two gametes to a blastocyst arriving in the uterus, day by day.
5 min- ReadImplantation, the bilaminar disc and the annexes
The second week: burrowing into the endometrium, splitting into two layers, and building a placenta.
5 min - ReadGastrulation and neurulation
The third week: two layers become three, the notochord appears, and the nervous system is laid down.
6 min - ReadFolding, organogenesis and malformations
How a flat disc becomes a cylinder with a gut inside it, and why weeks 3 to 8 are the dangerous ones.
6 min - Memo cardsEmbryology: memo cards
The whole of embryology as a deck: prompt on the front, answer on the back.
4 min 
Multiple choiceEmbryology: the first three weeksFertilisation, implantation and gastrulation, asked on the details that get marked.
5 min
Match pairsMatch germ layer to derivativePair each structure with the germ layer it comes from.
4 min- Multiple choiceEmbryology: harder cases
Annexes, neural crest, critical periods and the origin of malformations.
4 min 
Put in orderOrder the first weekRebuild the sequence from fertilisation to implantation.
5 min