- 行业: Library & information science
- Number of terms: 152252
- Number of blossaries: 0
- Company Profile:
The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care.
In a b-sheet two or more polypeptide chains run alongside each other and are linked in a regular manner by hydrogen bonds between the main chain C=O and N-H groups. The R-groups (side chains) of neighbouring residues in a b-strand point in opposite directions; beta sheets can be parallel, anti-parallel or mixed.
Industry:Medical
1) Either of the two primary divisions of the trachea that lead respectively into the right and the left lung.
2) A large air passage that leads from the trachea (windpipe) to the lung.
Industry:Medical
Process by which organic tissue becomes hardened by the physiologic deposit of calcium salts.
Definition from: Unified Medical Language System (MeSH) at the National Library of Medicine.
Industry:Medical
1) The complete series of events from one cell division to the next.
2) A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle.
Industry:Medical
An image produced on a photographic film or plate by the radiations from a radioactive substance in an object which is in close contact with the emulsion--called also radioautogram, radioautograph.
Industry:Medical
1) Endogenous substances, usually proteins, that are involved in the blood coagulation process.
2) Factors in the blood that are essential for blood coagulation. The absence or mutation of these factors can lead to hemophilia and blood clotting disorders.
Industry:Medical
1) The multiplication or reproduction of cells, resulting in the rapid expansion of a cell population. Reference(s): GO:mah Sanger:mb
2) An increase in the number of cells as a result of cell growth and cell division.
Industry:Medical
A condition in which the body recognizes its own tissues as foreign and directs an immune response against them.
Industry:Medical
1) A childhood disorder predominately affecting boys and similar to autism (autistic disorder). It is characterized by severe, sustained, clinically significant impairment of social interaction, and restricted repetitive and stereotyped patterns of behavior. In contrast to autism, there are no clinically significant delays in language or cognitive development. (From DSM-IV)
2) Syndrome or disorder usually first diagnosed in childhood, characterized by severe and sustained impairment in social interactions and restricted, repetitive patterns of behaviors, interests, and activities.
Industry:Medical
