نتایج جستجو برای: echinops
تعداد نتایج: 1134 فیلتر نتایج به سال:
Echinops echinatus Linn. (Fam. Asteraceae) possesses medicinal value a good deal. The plant is nerve tonic that stimulates liver and increases appetite, effective as anti-inflammatory in jaundice. Objective of the current study was to standardize (E. echinatus), both macroscopically microscopically. Pharmacognostic standardization with help different physicochemical parameters fluorescence anal...
Phytochemical investigation of the flowering aerial parts of Echinops galalensis (Asteraceae) led to the isolation of a new taraxasteryl triterpene, 3b-acetoxy-taraxast-12, 20(30)-diene-11a-21a-diol (1), together with nine known metabolites, a-amyrin (2), b-sitosterol (3), erythrodiol (4), lup-20(29)-ene1,3-diol (5), 1,5-dicaffeoylquinic acid (6), 3,5-dicaffeoylquinic acid (7), 3,4-dicaffeoylqu...
Sonic hedgehog, a secreted signalling molecule known to play a role in the patterning of the central nervous system and the limb in vertebrates, also controls differentiation of the somites.
Signaling molecules such as Activin, Sonic hedgehog, Nodal, Lefty, and Vg1 have been found to be involved in determination of left-right (L-R) asymmetry in the chick, mouse, or frog. However, a common signaling pathway has not yet been identified in vertebrates. We report that Pitx2, a bicoid-type homeobox gene expressed asymmetrically in the left lateral plate mesoderm, may be involved in dete...
It is important to quantify patterns of morphological diversity to enhance our understanding of variation in ecological and evolutionary traits. Here, we present a quantitative analysis of morphological diversity in a family of small mammals, the tenrecs (Afrosoricida, Tenrecidae). Tenrecs are often cited as an example of an exceptionally morphologically diverse group. However, this assumption ...
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