induction — See embryonic induction or enzyme induction … Dictionary of molecular biology
Embryonic stem cell — Embryonic stem cells (ES cells) are stem cells derived from the inner cell mass of an early stage embryo known as a blastocyst. Human embryos reach the blastocyst stage 4 5 days post fertilization, at which time they consist of 50 150 cells.… … Wikipedia
induction — 1. Production or causation. 2. Production of an electric current or magnetic state in a body by electricity or magnetism in another body close to the first body. 3. The period from the start of anesthesia to the establishment of a depth of … Medical dictionary
induction — noun Date: 14th century 1. a. the act or process of inducting (as into office) b. an initial experience ; initiation c. the formality by which a civilian is inducted into military service 2. a. (1) inference of a generalized conclusion from… … New Collegiate Dictionary
planar induction — noun The process in which genetic signals are transmitted across a single embryonic layer, such as ectoderm … Wiktionary
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
Hans Spemann — Infobox Scientist name = Hans Spemann image size =180px birth date = June 27, 1869 birth place = Stuttgart, Germany death date = September 9, 1941 death place = Freiburg, Germany nationality = Germany field = Embryology work institutions = alma… … Wikipedia
Spemann, Hans — ▪ German embryologist born June 27, 1869, Stuttgart, Württemberg [now in Germany] died Sept. 12, 1941, Freiburg im Breisgau, Ger. German embryologist who was awarded the Nobel Prize for Physiology or Medicine in 1935 for his discovery of… … Universalium
Gastrulation — of a diploblast: The formation of germ layers from a (1) blastula to a (2) gastrula. Some of the ectoderm cells (orange) move inward forming the endoderm (red). Gastrulation is a phase early in the embryonic development of most animals, during… … Wikipedia
Driesch, Hans Adolf Eduard — ▪ German embryologist born Oct. 28, 1867, Bad Kreuznach, Prussia [now in Germany] died April 16, 1941, Leipzig, Ger. German experimental embryologist and philosopher who was the last great spokesman for vitalism, the theory that life cannot be… … Universalium
