Category: N

The implantation of the blastocyst in the lining of the uterus in pregnancy. The process of building the endometrial layers of the uterus between menstrual periods. The point in the development of an embryo at which the fertilised ovum reaches the uterus and implants in the wall of the uterus. Implantation of the conceptus in…

A postjunctional receptor for acetylcholine that is affected by nicotine.  

The botanical name of the tobacco plant named after Jean Nicot.  

A genus of several types of tobacco plant, e.g., Nicotiana tabacunv, Nicotiana rustica.  

Conducted research into the problems associated with marijuana between 1940 and 1944 at the request of New York City Mayor Fiorella La Guardia. The issued its report, “The Marijuana Problem In the City of New York,” in 1944. Among many of its conclusions, the report stated the following: a. marijuana does not cause a person…

A term used to describe extremely conservative groups that attempt to influence politics or educational programs.  

A previously uninfected person now infected with a disease agent.  

An early textbook used in colonial schools.  

The outside layer of the brain that appeared late in human evolution and controls complex behavior and mental activity.  

A rare condition characterized by extensive blood vessel tumors, convulsions, hemiplegia, and severe mental deficiency resulting in a shortened life span. Sturge-Weber syndrome; a congenital syndrome marked by portwine nevi along the trigeminal nerve distribution, angiomas of the leptomeninges and choroid, intracranial calcifications, mental retardation, epileptic seizures, and glaucoma.