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Each ray floret has three petals which are fused together to form a corolla. The floret has one ovary at the bottom, and this ovary contains one ovule. [m] The ovary has an attached style that extends outward from between the ray floret corolla and the rest of the flower head. As the ray floret is blooming, the stigma at the top of the style ...
Dense cluster of sessile or subsessile flower s or floret s, e.g. a flower head in the daisy family Asteraceae. See pseudanthium. capsule Dry fruit formed from two or more united carpel s and dehiscing when ripe (usually by splitting into pieces or opening at summit by teeth or pores). carduoid
In addition to brushing, cleaning between teeth may help to prevent build-up of plaque bacteria on the teeth. This may be done with dental floss or interdental brushes.. 80% of cavities occur in the grooves, or pits and fissures, of the chewing surfaces of the teeth, [4] however, there is no evidence currently showing that normal at-home flossing reduces the risk of cavities in these areas.
Each ray floret has a strap-shaped corolla (or ligule) formed from three vestigial petals which are fused together. The floret contains one inferior ovary, and this ovary contains one ovule. [a] The ovary has an attached style that extends outward from between the ray floret corolla and the rest of the flower head. As the ray floret is blooming ...
Each ray floret is anatomically an individual flower with a single large petal. Florets in the centre of the disc typically have no or very reduced petals. In some plants such as Narcissus , the lower part of the petals or tepals are fused to form a floral cup ( hypanthium ) above the ovary, and from which the petals proper extend.
A teeth-cleaning twig (in India: datun [1]) is an oral hygiene tool made from a twig from a tree. It can help to prevent tooth decay and gum disease. History.
A ray flower is a two- or three-lobed, strap-shaped, individual flower, found in the head of most members of the Asteraceae. [15] [16] The corolla of the ray flower may have two tiny, vestigial teeth, opposite to the three-lobed strap, or tongue, indicating its evolution by fusion from an ancestral, five-part corolla. In some species, the 3:2 ...
A 1930s poster from the Work Projects Administration promoting oral hygiene. Tooth decay is the most common global disease. [14] Over 80% of cavities occur inside fissures in teeth where brushing cannot reach food left trapped after eating and saliva and fluoride have no access to neutralize acid and remineralize demineralized teeth, unlike easy-to-clean parts of the tooth, where fewer ...
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