embryo differentiation

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• Embryo drawing — refers to any representation of the illustration of embryos in their developmental sequence. In plants and animals, an embryo develops from a zygote, the single cell that results when an egg and sperm fuse during fertilization. In animals, the… …   Wikipedia

• Embryo — An embryo (from Greek: Polytonic|ἔμβρυον , plural Polytonic|ἔμβρυα , lit. that which grows, from en in + bryein to swell, be full ) is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division… …   Wikipedia

• embryo — /em bree oh /, n., pl. embryos, adj. n. 1. the young of a viviparous animal, esp. of a mammal, in the early stages of development within the womb, in humans up to the end of the second month. Cf. fetus. 2. Bot. the rudimentary plant usually… …   Universalium

• Embryo — The organism in the early stages of growth and differentiation from fertilization to, in humans, the beginning of the third month of pregnancy. After that point in time, it is termed a fetus. * * * 1. An organism in the early stages of… …   Medical dictionary

• embryo — noun (plural embryos) Etymology: Medieval Latin embryon , embryo, from Greek embryon, from en + bryein to swell; akin to Greek bryon catkin Date: 1548 1. a. archaic a vertebrate at any stage of development prior to birth or hatching b. an animal… …   New Collegiate Dictionary

• Differentiation — 1 The process by which cells become progressively more specialized; a normal process through which cells mature. This process of specialization for the cell comes at the expense of its breadth of potential. Stem cells can, for example,… …   Medical dictionary

• differentiation — noun 1. a discrimination between things as different and distinct (Freq. 5) it is necessary to make a distinction between love and infatuation • Syn: ↑distinction • Derivationally related forms: ↑distinguish (for: ↑distinct …   Useful english dictionary

• Cellular differentiation — Cell differentiation redirects here. For the journal, see Cell Differentiation (journal). In developmental biology, cellular differentiation is the process by which a less specialized cell becomes a more specialized cell type. Differentiation… …   Wikipedia

• Growth differentiation factor — Growth differentiation factors (GDFs) are a subfamily of proteins belonging to the transforming growth factor beta superfamily that have functions predominantly in development.cite journal |author=Herpin A, Lelong C, Favrel P |title=Transforming… …   Wikipedia

• TGF beta signaling pathway — The Transforming growth factor beta (TGFβ) signaling pathway is involved in many cellular processes in both the adult organism and the developing embryo including cell growth, cell differentiation, apoptosis, cellular homeostasis and other… …   Wikipedia

• Budding — (also called burgeoning) is the formation of a new organism by the protrusion of part of another organism. This is very common in plants Fact|date=February 2008 and fungi, but may be found in some animals as well, such as the Hydra. Usually, the… …   Wikipedia