| Term | Definition |
|---|---|
| Northern Cape | The Northern Cape (Afrikaans: Noord-Kaap; Tswana: Kapa Bokone; Xhosa: uMntla-Koloni) is the largest and most sparsely populated province of South Africa. Hits - 1455 |
| nucleotide code | The genetic Hits - 859 |
| nucleus | A dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, and containing the genetic material Hits - 1003 |
| nymphaea | Is a genus of hardy and tender aquatic plants in the family Nymphaeaceae. The genus has a cosmopolitan distribution. Many species are cultivated as ornamental plants, and many cultivars have been bred. Some taxa occur as introduced species where they are not native, and some are weeds Hits - 832 |
| oesophagus | The part of the alimentary canal which connects the throat to the stomach. In humans and other vertebrates it is a muscular tube lined with mucous membrane Hits - 873 |
| oesophagus | Is the part of the alimentary canal which connects the throat to the stomach. In humans and other vertebrates it is a muscular tube lined with mucous membrane. (Also esophagus) |
| oestrogen | Any of a group of steroid hormones which promote the development and maintenance of female characteristics of the body. Such hormones are also produced artificially for use in oral contraceptives or to treat menopausal and menstrual disorders. Hits - 852 |
| olfactory epithelium | Specialized region of tissue lining the nasal cavities that contains Hits - 774 |
| ontarians | A native or inhabitant of the Canadian province of Ontario. Hits - 856 |
| opaque | Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc. Hits - 1002 |
| organogram | Is a diagram that shows the structure of an organisation and the relationships between the different people, departments, and jobs at different levels within that organisation. The information is usually shown in rectangles, circles, or squares that are connected by straight lines. Hits - 996 |
| osmotic pressure | The pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis, often used to express the concentration of the solution. Hits - 905 |
| overwinter | Spend the winter. Hits - 873 |
| oviduct | The tube through which an ovum or egg passes from an ovary. Hits - 866 |
| oxytocin | Oxytocin is a hormone that acts as a neurotransmitter. It plays an important role in reproduction. In females, the hormone triggers labor and the release of breastmilk. In males, oxytocin helps move sperm. Hits - 884 |