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blood substitute

(Encyclopedia)blood substitute, substance that mimics the function of blood. Blood substitutes typically concentrate only on reproducing the function of hemoglobin, the molecule that carries oxygen through the body...

moss, in botany

(Encyclopedia)CE5 Life cycle of a moss: A germinating spore forms a transitory branching structure on the soil surface, which develops into the conspicuous gametophyte, the familiar moss plant. Eggs and sperm ar...

rafflesia

(Encyclopedia)rafflesia răflēˈzhə [key], any of a genus (Rafflesia) of parasitic plants native to the rain forests of the Malay peninsula, Sumatra, Borneo, and the Philippines. The plants have no roots, stems, ...

bearberry

(Encyclopedia)bearberry, any plant of the northern and alpine genus Arctostaphylos of the family Ericaceae (heath family), especially A. uvaursi, a trailing evergreen sometimes cultivated as a ground cover. The sma...

Gleason, Henry Allan

(Encyclopedia)Gleason, Henry Allan glēˈsən [key], 1882–1975, American botanist, plant geographer, and plant ecologist. His floristic studies of North American vegetation led to his “individualistic concept o...

gibberellins

(Encyclopedia)gibberellins jĭbˌərĕlˈĭnz [key], a group of growth-regulating substances of plants, having complex chemical structure, of which the best known, gibberellic acid, is noted for its promotion of st...

layering

(Encyclopedia)layering, horticultural practice of propagating a plant by rooting a branch before severing it from the mother plant. Typically the branch is bent and a section that has been slit or broken on the und...

Bedford, cities, United States

(Encyclopedia)Bedford. 1 City (2020 pop. 13,068), seat of Lawrence co., S Ind.; inc. 1889. Bedford limestone, quarried there and shipped all over the world, was ...

eye fly

(Encyclopedia)eye fly, common name for a group of small flies of the family Chloropidae. Eye flies are common in parts of California and in the S United States. They inhabit grasslands and meadows and breed mainly ...

Hilleman, Maurice Ralph

(Encyclopedia)Hilleman, Maurice Ralph, 1919–2005, American microbiologist, regarded as the father of modern vaccinology, b. Miles City, Mont., Ph.D Univ. of Chicago, 1941. He joined E. R. Squibb and Sons in 1944,...