vascular wall
51nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… …
52nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
53plexus — A network or interjoining of nerves and blood vessel s or of lymphatic vessels. [L. a braid] abdominal aortic (nervous) p. [TA] an autonomic p. surrounding the abdominal aorta, directly continuous with the thoracic aortic p. superiorly and …
54Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… …
55reproductive system, plant — Introduction any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative …
56Rhinoplasty — For the album by Primus, see Rhinoplasty (album). Rhinoplasty Intervention Rhinoplasty: The lower lateral cartilage (greater alar cartilage) exposed for plastic modification via the left nostril …
57human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… …
58Xylem — Multiple cross sections of a flowering plant stem showing primary and secondary xylem and phloem[1] Xylem is one of the two types of transport tissue in vascular plants. (Phloem is the other). The word xylem is derived from the Classical Greek… …
59drug — 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… …
60Drug — /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,… …
