embryonic stage

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• embryonic — adjective 1. of an organism prior to birth or hatching in the embryonic stage embryologic development • Syn: ↑embryologic, ↑embryonal • Similar to: ↑immature • Derivationally related fo …   Useful english dictionary

• 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

• Embryonic hemoglobin — is a protein transcribed by the HBE1 gene in embryonic cells. It is produced in the blood islands in the embryonic yolk sac during the mesoblastic stage (1st week of pregnancy till end of pregnancy). The protein is commonly referred to as… …   Wikipedia

• embryonic — ► ADJECTIVE 1) relating to an embryo. 2) in or at a rudimentary stage …   English terms dictionary

• embryonic — [em′brē ə nəlem΄brē än′ik] adj. 1. of or like an embryo: also embryonal [em′brē ə nəl] 2. in an early stage; undeveloped; rudimentary …   English World dictionary

• Embryonic disk — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 47 Caption = Section through embryonic disk of Vespertilio murinus. Caption2 = Surface view of embryo of a rabbit. (After Kölliker.) arg. Embryonic disk. pr. Primitive streak.… …   Wikipedia

• embryonic — [[t]e̱mbriɒ̱nɪk[/t]] ADJ GRADED: usu ADJ n An embryonic process, idea, organization, or organism is one at a very early stage in its development. [FORMAL] ...Romania s embryonic democracy. ...the embryonic European central bank. ...embryonic… …   English dictionary

• stage — {{Roman}}I.{{/Roman}} noun 1 period/state in progress/development ADJECTIVE ▪ distinct ▪ The process has three distinct stages. ▪ beginning, early, initial, opening, preliminary …   Collocations dictionary

• embryonic — em|bry|on|ic [ˌembriˈɔnık US ˈa:n ] adj 1.) at a very early stage of development ▪ The plans are still only in embryonic form. 2.) relating to an ↑embryo ▪ embryonic development ▪ embryonic cells …   Dictionary of contemporary English

• stage — stageable, adj. stageability, stageableness, n. stageably, adv. /stayj/, n., v., staged, staging. n. 1. a single step or degree in a process; a particular phase, period, position, etc., in a process, development, or series. 2. a raised platform… …   Universalium

• stage — /steɪdʒ / (say stayj) noun 1. a single step or degree in a process; a particular period in a process of development. 2. a raised platform or floor, as for speakers, performers, etc. 3. Theatre a. the platform in a theatre on which the actors… …