Category: S
-
Salient
Projecting forwards, spreading, divergent at an acute angle from the bearing structure.
-
Sagittate
(Of a shape) triangular at the base with two acute lobes pointing downwards, like an arrow-head. Arrowhead-shaped.
-
Sage
(Colour) grey-green (as in the leaves of Salvia officinalis (sage)). An herb with mint-like leaves that may be ground and used to flavor foods. Sage is a herb from the mint family, with small, rough leaves and purplish flowers. There are around five hundred different varieties, with varying tastes, colors, and smells. The Dalmatian sage…
-
Saccate
Pouch-shaped, irregularly obovoid and hollow.
-
Sac
Pouch or baglike organ (e.g., pericardial sac, membrane surrounding the heart). A pouch or baglike structure. Sacs can enclose natural cavities in the body, e.g. in the lungs or in the lacrimal apparatus of the eye, or they can be pathological, as in a hernia.
-
Disjunction
Separation of homologous chromosomes during anaphase of mitosis or meiosis. The separation of pairs of homologous chromosomes during meiosis or of the chromatids of a chromosome during anaphase of mitosis or meiosis. Separation of the homologous pairs of chromosomes during anaphase of the first meiotic di¬ vision.
-
Style
The part of the female structure of a flower that connects the stigma and the ovary. The part of the gynoecium between the ovary and the stigma, often slender and sometimes lacking when the stigma sits on the ovary. The form in which a product is made, e.g., whole, half, etc. The stem of the…
-
Species
A single kind of plant or animal. Linnaean unit of plant classification; group of populations of similar morphology and constant distinctive characters, thought to be capable of interbreeding and producing offspring. A taxonomic category subordinate to a genus (or subgenus) and superior to a subspecies or variety, composed of individuals possessing common characters distinguishing them…
-
Sepals
The parts of a flower that grow just outside of the petals and protect the flower in bud. Together, all the sepals of a flower make up its calyx. Leaflike structures, usually green, arranged in a whorl below the petals of a flower. Some sepals are colorful and indistinguishable from petals. The individual divisions of…
-
Synthetic
Chemicals or medicines produced artificially in a laboratory rather than derived from natural products. A substance formed by a chemical reaction in laboratory. Made by humans, made artificially. Drugs made using chemical processes in a laboratory. A term applied to substances produced by chemical processes in the laboratory. Produced through an artificial chemical process, frequently…