(a.) Having two cotyledons or seed lobes; as, a dicotyledonous plant.
Example Sentences:
(1) 2,4-DP at 5 mg X liter-1 or higher concentrations caused various symptoms for the dicotyledons.
(2) Judging by the rRNA trees, Magnoliales are the most ancient group among dicotyledons.
(3) Efficient splicing of the mRNA for this coding region was observed in the infected dicotyledonous (dicot) hosts bean and tobacco despite the intron having an A + U content (57%) more typical of geminiviruses of monocot plants.
(4) In contrast to WDV, the geminiviruses of dicotyledonous plants possess a single continuous ORF, highly homologous to the two individual ones of WDV.
(5) Agrobacterium tumefaciens is a gram-negative bacterium with the unique capacity to induce neoplasmic transformations in dicotyledonous plants.
(6) The mutants exhibit similar phenotypes in protoplasts of both tobacco and maize, implying conservation of the DNA-protein interactions of the ocs enhancer sequence in monocotyledonous and dicotyledonous plants.
(7) To circumvent these difficulties, we investigated whether monocotyledonous genes can be expressed and correctly regulated in dicotyledons.
(8) Comparison with known sequences of 2S proteins of other dicotyledonous plants shows limited but distinct sequence homology.
(9) 25 storage globulins from several dicotyledonous species and a 2S albumin from sunflower.
(10) Notable features of the nucleotide sequence are the loss of an intron in rpoC1 and an insertion of approximately 450 bp in rpoC2 compared to the dicotyledons tobacco, spinach and liverwort.
(11) In basic chitinases from dicotyledonous plants such as Arabidopsis thaliana, Phaseolis vulgaris (bean), Nicotiana tabacum (tobacco), and Solanum tuberosum (potato), as well as in the chitinase isolated from the monocotyledonous plant Hordeum vulgare (barley), this position is invariably occupied by a tyrosine.
(12) Ferrochelatase was demonstrated in the chloroplasts and proplastids isolated from the primary leaves of beans (a dicotyledon) and oats (a monocotyledon).
(13) Epitope mapping of these immunoglobulins suggests that two of the three predominant epitopes may be conserved in both monocotyledonous and dicotyledonous plants.
(14) Analysis of the nad4 locus in three distantly related dicotyledons indicates that introns 2 and 3 are optional.
(15) An example of the identification key is exposed for 19 dicotyledons from their epidermal characteristics.
(16) Further, the recessive nature of the det1 mutation implies that there is negative growth control on leaf development in dicotyledonous plants in the absence of light.
(17) It is however not known how correctly and efficiently dicotyledon-specific gene expression signals are recognized in cells of Monocotyledoneae.
(18) These data are consistent with the monosaccharide compositions of the taro wall preparations, which were more similar to those of unlignified walls of dicotyledons than to unlignified walls of the Poaceae.
(19) The seed was identified as a dicotyledonous seedling of the family Compositae.
(20) Geminiviruses that infect dicotyledonous plants may be divided further by geographical origins into Old World and New World viruses.
Macrocephalous
Definition:
(a.) Having a large head.
(a.) Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body.
Example Sentences:
(1) When examined during gastrulation, however, Xenopus laevis and Rana pipiens macrocephalic embryos produced by GV injection as well as macrocephalic embryos produced by the hybrid cross, Rana septentrionalis female X Rana catesbeiana male, all exhibit alterations in the pattern of gastrulation.
(2) 2 dimensional basicranial form was defined by linear dimensions, Fourier coefficients and medial axis lengths from lateral cephalographs of age-sex matched samples of microcephalics, macrocephalics and normocephalics.
(3) We conclude that enlargement of the subarachnoid space in macrocephalic children is often a benign entity.
(4) They were a 2-year-old, short, macrocephalic and autistic girl, and a 5-year-old boy.
(5) A patient with partial deletion of the long arm of chromosome 11[del(11)(q23.3----qter)] had macrocephalic trigonocephaly, growth and mental retardation, congenital heart defect, and characteristic facial appearance familiar to that of 33 other reported patients with this deletion.
(6) It was based on the digitized mandibular outlines of three age-sexed samples of microcephalics, macrocephalics, and normocephalics.
(7) Evaluation of the derived medial axis lengths and branch point distances indicated complex patterns of mandibular shape contrasts between microcephalics and macrocephalics on the one hand and normocephalics on the other.
(8) Eighteen macrocephalic children with enlargement of the subarachnoid space (ESAS), with or without mild ventricular dilatation, were followed prospectively to a mean age of 56 months.
(9) To clarify indications and limits of computer assisted tomography and positive ventriculography the results of both methods were compared with each other retrospectively in 55 macrocephalic newborns and infants.
(10) The aims of the study were an evaluation of the usual criteria of macrocephaly and the drafting of a differentiated approach to the investigation of macrocephalics.
(11) We report on a family with X-linked hydrocephalus: progressive increase in head circumference (OFC) led to the diagnosis in 3 patients; however, in 5 with normal OFC, the initial diagnosis had been "nonspecific" mental retardation, until identification of relatedness between 3 macrocephalic boys suggested segregation of a major Mendelian gene.
(12) A better estimation of the intracranial volume of the macrocephalic children was obtained by means of the "Utrecht Head Measure", the product of OFC-squared and the head height.
(13) All six patients with severe OI (type III) had cortical atrophy on computed tomographic scan and three were also macrocephalic.
(14) Age is positively correlated with the percentage of microcephalic, macrocephalic and duplicate heads and coiled tails and negatively correlated with the percentage of no tail spermatozoa: these age-related variations are involved in the 90th percentile.
(15) Ventriculocentesis of the macrocephalic fetus was performed and abortion induced.
(16) Of six affected children, two had hyperbilirubinaemia, one muscular hypotonia, one was underweight for gestational age, one was macrocephalic, and one had supraventricular extrasystoles.
(17) One is a severely retarded, macrocephalic boy, who had the characteristic laboratory findings of Canavan disease and progressive leucodystrophy on neuro-imaging.
(18) Comparison of the clinical and radiologic characteristics of subarachnoid widening in macrocephalic children and in normocephalic or microcephalic children showed no significant differences.
(19) Of the 12 reported patients with deletions limited to band 13q14, seven had normal intelligence and five were macrocephalic.
(20) The data indicate that the shape contrasts between the mandibles of macrocephalics and microcephalics are more complex than traditionally envisaged and emphasize the need for further study to ascertain the effect of genetic and environmental influences on mandibular form.