Embryo cell junction. Coloured scanning electron micrograph (SEM) of the junction between 2 blastomere cells in an 8-cell embryo, 3 days old. … The surface of each cell is covered in microvilli (red), tiny projections. Microvilli increase the cell surface area & here also function as bridges communicating between the cells. At the 8-cell stage embryo cells are loosely joined allowing the cells 2B separated 4 in vitro studies. On day 4 blastomere cells fuse together tightly (compaction)…
Our knowledge of the many life-forms on Earth - of animals, plants, fungi, protists and bacteria - is scattered around the world in books, journals, databases, websites, specimen collections, and in the minds of people everywhere. The group of people and organisations behind EoL are continuing to gather this information together and make available to everyone – anywhere – at a moment’s notice.
Scientists learn how to ‘herd’ cells – a new approach to tissue engineering
New connections between brain cells emerge in clusters in the brain as animals learn to perform a new task, according to a new study. The findings reveal details of how brain circuits are rewired during the formation of new motor memories.