activation of a block

См. также в других словарях:

• block — 1. To obstruct; to arrest passage through. 2. A condition in which the passage of an electrical impulse is arrested, wholly or in part, temporarily or permanently. 3. SYN: atrioventricular b.. [Fr. bloquer] alveolocapillary b. the presence of… …   Medical dictionary

• activation — (of egg) Normally brought about by contact between spermatozoon and egg membrane. Activation is the first stage in development and occurs independently of nuclear fusion. The first observable change is usually the cortical reaction that may… …   Dictionary of molecular biology

• Oocyte activation — Oocyte (or ovum/egg) activation is a series of processes that occur in the oocyte after fertilisation. Sperm entry causes calcium release into the oocyte. In mammals, this has been proposed to be caused by the introduction of phospholipase C… …   Wikipedia

• Egg activation — After the fusion of the sperm plasma membrane and the egg plasma membrane after fertilization, animal eggs go through a process called egg activation to prepare the egg for development.There are three functions of egg activation: # Block to… …   Wikipedia

• Left anterior fascicular block — is a cardiac condition which needs to be distinguished from left bundle branch block.It is caused by only the anterior half of the bundle of His being defective. It is manifest on the ECG by left axis deviation. It is much more common than left… …   Wikipedia

• Left bundle branch block — Infobox Disease Name = PAGENAME Caption = ECG characteristics of a typical LBBB showing wide QRS complexes with abnormal morphology in leads V1 and V6. DiseasesDB = 7352 ICD10 = ICD10|I|44|7|i|30 ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj …   Wikipedia

• Win32 Thread Information Block — Esta página o sección está siendo traducida del idioma inglés a partir del artículo Win32 Thread Information Block, razón por la cual puede haber lagunas de contenidos, errores sintácticos o escritos sin traducir. Puedes colaborar con… …   Wikipedia Español

• Windows Product Activation — Windows XP Bildschirmfoto …   Deutsch Wikipedia

• drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …   Universalium

• Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …   Universalium

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium