(n.) A genus of plants including the milkweed, swallowwort, and some other species having medicinal properties.
Example Sentences:
(1) The cardiac effects of asclepin, a new glycoside from the plant Asclepias curassavica, were studies in vitro (isolated atrium and heart of guineapig) and in vivo (anaesthetized cat) and were compared with g-strophanthin, digoxin, digitoxin, or digitoxigenin, resp.
(2) The monarch butterfly Danaus plexippus sequesters cardiac gylcosides from northern species of Asclepias formerly reported to lack these noxious compounds.
(3) Whole and fractionated latex of Asclepias syriaca was tested for antimicrobial or growth-promoting activity with 16 genera and species of bacteria.
(4) Moreover, it appears that these saps, particularly Asclepias, also act on the cell wall: the substances presumed to be responsible for these effects were probably terpens and cardenolids but also enzymes, in particular glucanases.
(5) Asclepias curassavica and Lactuca sativa latex saps inhibit the growth of Candida albicans because they degrade a great number of yeasts.
(6) Interviews with Hispanic families in the San Luis Valley of Colorado revealed that several herbs, including Asclepias asperula (inmortal) and Achillea lanulosa (plumajillo), are popular ingredients in Hispanic folk medicine preparations.
(7) The least toxic abortifacients are species of Gossypium, Ruta, Ligusticum, Asclepias, and Rudbeckia.
(8) The historical antecedents of contemporary Western psychodynamic psychotherapy are examined and the central importance of altered states in the therapeutic effects of religious institutions such as the Dionysian rite and the Asclepia is illustrated.
(9) Significant amounts of immunoreactive cardiac glycoside were found to be present in the ornamental shrubs: yellow oleander (Thevetia peruviana); oleander (Nerium oleander); wintersweet (Carissa spectabilis); bushman's poison (Carissa acokanthera); sea-mango (Cerbera manghas); and frangipani (Plumeria rubra); and in the milkweeds: redheaded cotton-bush (Asclepias curassavica); balloon cotton (Asclepias fruiticosa); king's crown (Calotropis procera); and rubber vine (Cryptostegia grandifolia).
(10) ), inmortal (Asclepias capricornu Woodson), wormseed (Chenopodium ambrosioides L.), poleo chino (Hedeoma oblongifolia), rue (Ruta graveolens L.), and 3 species of Aremesia.
(11) ), inmortal ((Asclepias capricornu Woodson), poleo chino (Hedeoma oblongifolia (Gray) Heller), rue Ruta graveolens L.), wormseed (Chenopodium ambrosioides L.), and three species of Artemesia seem to be used most widely.
(12) The different types of utilized latex sap were those of Lactuca sativa (latex exuded from articulated laticifers) and Asclepias curassavica (latex flowing from non-articulated laticifers).
(13) Two groups of asclepains have been isolated from Asclepias syriaca L. (milk-weed) latex and a representative of each has been purified.
(14) A review of the scientific literature indicates that related species of Asclepias asperula and Achillea lanulosa contain pharmacologically active compounds; these data serve as the focal point for continuing ethnopharmacologic investigation at the University of Colorado School of Pharmacy.
(15) Gomphoside, a 5 alpha-H cardiac glycoside isolated from Asclepias fructicosa, has an unique double glycosidic linkage to the aglycon through oxygen atoms at 2 alpha and 3 beta of the steroid.
Milkweed
Definition:
(n.) Any plant of the genera Asclepias and Acerates, abounding in a milky juice, and having its seed attached to a long silky down; silkweed. The name is also applied to several other plants with a milky juice, as to several kinds of spurge.
Example Sentences:
(1) Experimental vein severance renders milkweed leaves edible to generalist herbivores that do not show vein-cutting behaviors and ordinarily ignore milkweeds in nature.
(2) Many mandibulate insects that feed on milkweeds, or other latex-producing plants, cut leaf veins before feeding distal to the cuts.
(3) The significance of these findings are discussed in light of the recent discovery that the C28-ecdysone, makisterone A, is the predominant molting hormone inthe embryonated egg of the milkweed bug.
(4) Chromosomal fragments and translocations induced by x-rays in the sperm of adult milkweed bugs, Oncopeltus fasciatus (Dallas), were detected in the meiotic cells of F(1), F(2), and F(3), males and caused high levels of sterility in lintreated progeny.
(5) The WWF, which carries out the census of the Mexican colonies in co-ordination with the Mexican government, says the extensive use of herbicides is wiping out vast quantities of the milkweed that provides the butterflies with their main food source and breeding grounds.
(6) But research by Lundgren and his team also found that 60% of the milkweed in their South Dakota study area was contaminated by the pesticide, which even at low levels causes monarch larvae to grow much more slowly and reach much smaller size.
(7) Polinnators are important to a huge portion of our food supply ... anything that flowers.” One reason for the decrease is a drop in the amount of milkweed, which monarch larvae eat, Lundgren said.
(8) Significant amounts of immunoreactive cardiac glycoside were found to be present in the ornamental shrubs: yellow oleander (Thevetia peruviana); oleander (Nerium oleander); wintersweet (Carissa spectabilis); bushman's poison (Carissa acokanthera); sea-mango (Cerbera manghas); and frangipani (Plumeria rubra); and in the milkweeds: redheaded cotton-bush (Asclepias curassavica); balloon cotton (Asclepias fruiticosa); king's crown (Calotropis procera); and rubber vine (Cryptostegia grandifolia).
(9) Several aromatic terpenoid ethers possess a high degree of morpho-genetic activity when assayed on the yellow mealworm Tenebrio molitor L. and the milkweed bug Oncopeltus fasciatus (Dallas).
(10) Cortisol increased growth and differentiation in the large milkweed insect (Oncopeltus fasciatus).
(11) Analysis of the sterols of the milkweed bug, Oncopeltus fasciatus (Dallas) and dietary sunflowerseeds revealed that there is little, if any, conversion of dietary C28 OR C29 phytosterols to cholesterol in this phytophagous insect.
(12) In order to determine whether the genes coding for ribosomal RNA (rRNA) are amplified in the telotrophic ovary of the milkweed bug Oncopeltus fasciatus, the percentages of the genome coding for ribosomal RNA in somatic cells, spermatogenic cells, ovarian follicles, and nurse cells were compared.
(13) The use of herbicides destroying milkweed is directly linked to the mass cultivation in the great plain states of the US of genetically modified soybean and corn crops with inbuilt resistance to chemicals that the rest of the plants in the areas sprayed do not have.
(14) We have analyzed electron micrographs of chromatin-associated fiber arrays from embryos of the milkweed bug, Oncopeltus fasciatus.
(15) Scientists are extremely concerned that monarch populations are declining because the caterpillar's only food source – milkweed – is being eradicated.
(16) The persistence of these fragments through numerous generations of cells confirmed the holokinetic nature of the milkweed bug chromosomes.
(17) SK Films, the American distributor, is encouraging audiences to grow milkweed and also to create their own butterfly gardens by selling seed-packets in cinemas.