(n.) One of the patches of villi found in some forms of placenta.
(n.) A leaf borne by the caulicle or radicle of an embryo; a seed leaf.
Example Sentences:
(1) A bovine pregnancy-associated glycoprotein (bPAG) of 67 kDa has previously been isolated from bovine fetal cotyledons.
(2) The mRNAs begin to accumulate during late embryogeny, reach maximal levels in seedling cotyledons, are not detected at significant amounts in leaves, and are distributed similarly in cotyledons and axes of seedlings.
(3) Dehydrin proteins were some of the most actively synthesised at about the time of maximum fresh weight and represent about 2% of protein in mature cotyledons.
(4) The birth weight, placental weight, volume, surface area, and number of cotyledon showed significantly decreasing trends (P less then 0.001) with the fall in socioeconomic group and maternal dietary intakes.
(5) Furthermore, catalases from leaves, stems and cotyledons were electrophoretically identical.
(6) The preparation and properties of a cell-free protein-synthesizing system from germinating pea cotyledons is described; polyuridylic acid must be added for l-phenylalanine incorporation.
(7) Polyadenylated RNA from 2-day-old cotyledons directed synthesis of 56-kDa subunits, whereas 59-kDa subunits predominated after in vitro translation of RNA from 4-day-old cotyledons.
(8) Angiotensin caused a 13-fold increase in the umbilical arterial resistance, whereas there were no changes in cotyledon or venous resistances.
(9) A histological evaluation of the cotyledons revealed an abnormal placentome structure in the first pregnancy but not in the second.
(10) Weights of the fetus, fetal membranes, cotyledons, caruncles, and uterus were recorded as were weights of the fetal liver, heart, kidneys, spleen, lungs, stomach complex, intestines, and semitendinosus muscle.
(11) The plants Arabidopsis thaliana grew from cotyledons to flowers during flight.
(12) The accumulation of total RNA transcripts of 18 late embryo-abundant (Lea) gene families, each encoding two closely related Lea mRNAs, was measured in cotyledon total RNA during embryogenesis and germination of Gossypium hirsutum L. by RNA dot hybridization.
(13) The aim of this work was to investigate the role of phosphoenolpyruvate carboxykinase (ATP:oxaloacetate carboxy-lyase (transphosphorylating) EC 4.1.1.49) in the conversion of fat to sugar by the cotyledons of seedlings of Cucurbita pepo.
(14) Tunicamycin inhibited both glycosylation and secretion of PHA by the COS1 cells, a finding indicating an essential role of the oligosaccharides for transport of PHA in these cells in contrast to the situation found in bean cotyledons.
(15) Isocitrate lyase (threo-DS-isocitrate glyoxylate-lyase, EC 4.1.3.1) was isolated from cotyledons of Lupinus seedlings, purified 100-fold with respect to its initial specific activity and characterized (Km, pH optimum, Mg2+ requirement, sulfhydryl inhibitors, and synthase activity).
(16) In the cells established from cotyledon, the 1-palmitoyl-2-linolenoyl species increased dramatically.
(17) The conclusion is drawn that the rate of turnover of phenylalanine ammonia-lyase in dark-grown mustard cotyledons is too rapid compared to the measured rise in enzyme activity for density labelling to reveal directly control over the rate of synthesis de novo by phytochrome.
(18) For this purpose we divided the flow length of the cotyledon in central and a peripheral part.
(19) Mixing of BAP-treated and untreated cotyledons before polysome isolation showed that the difference in their activity did not result from isolation procedure.
(20) Both AS1 and AS2 mRNAs also accumulate to high levels in cotyledons of germinating seedlings and in nitrogen-fixing root nodules.
Scutum
Definition:
(n.) An oblong shield made of boards or wickerwork covered with leather, with sometimes an iron rim; -- carried chiefly by the heavy-armed infantry.
(n.) A penthouse or awning.
(n.) The second and largest of the four parts forming the upper surface of a thoracic segment of an insect. It is preceded by the prescutum and followed by the scutellum. See the Illust. under Thorax.
(n.) One of the two lower valves of the operculum of a barnacle.
Example Sentences:
(1) 36.3% of the children had a residual or a recurrent cholesteatoma, 19.5% after open technique, 61.2% after a combined approach operation, 17% after atticoantrotomy and reconstruction of the scutum and 29.6% after a transcanal tympanoplasty.
(2) The structure of scutum, organs of gnathosoma and coxae, chaetotaxy of idiosoma and gnathosoma were used for differential diagnosis.
(3) The marine gastropods Acmaea (Collisella) limatula and Acmaea (Notoacmea) scutum respond to distant predatory starfish (i.e.
(4) The scutum "pseudotumor" appearance caused by incomplete pneumatization was seen frequently, and should not be mistaken for mastoiditis or an osteoma.
(5) A wide range of structures was used for species identification as follows: peculiarities of scutum, peritreme, anal valve, organs of gnathosoma, chaetotaxy and morphometrical characteristics and ratios.
(6) Reliable differences have been noted in the sizes of scutum, gnathosoma and its appendages in male and female nymphs of both species.
(7) Incidence of retraction pocket and recurrent cholesteatoma in the attic after surgery for middle ear cholesteatoma using the staged intact canal wall technique were investigated in 95 ears of 91 patients, all of which had various degrees of bone defect in the tympanic scutum.
(8) Here, the ultrastructure of sensory cells on the mantle tentacles of N. scutum is examined by transmission electron microscopy to determine if morphological types of sensory cells can be correlated with known sensory capabilities.
(9) Incidence of retraction troubles was higher in Types II and III, probably because these procedures were indicated in ears with large scutum defects.
(10) In D. niveus male and female nymphs differ in the length of II-III palpal joints and width of gnathosoma, in D. ushakovae in the length of scutum and its proportions, in the width of gnathosoma and hypostome and in the diameter of peritreme.
(11) However, injection of IVM, dimethylsulphoxide (vehicle for IVM) or distilled water through the articulation between the capitulum and scutum ('anterior injection'), did markedly reduce the wax coating and increased egg permeability.
(12) The dorsal part of the head can also be transformed into second thoracic structures (scutum) indicating that Antp indeed specifies the second thoracic segment.
(13) It resumes at the superior aspect of the external auditory canal (scutum) extending laterally along the external canal wall.
(14) (Exopalpiger) trianguliceps in 4-4 pairs of setae of the anal valve, shape of scutum, longer setae of alloscutum, more round peritreme, correlation between the length of peritreme longitudinal diameter and the length of longitudinal diameter of the anal ring, presence of auricles and shape of palps.
(15) Differences in linear sizes of scutum, gnathosoma and its appendages in male and female nymphs were determined that has made possible the identification of sex in hungry nymphs.
(16) Previous studies have indicated that the mantle margin of the gastropod mollusc Notoacmea scutum is sensitive to chemical, photic, and mechanical stimulation.
(17) He then named the company Aquascutum, from the Latin words aqua (water) and scutum (shield).
(18) The height of this bony plate was 1.5 to 3.0 mm and extended from the facial canal wall to the scutum.
(19) Defects of the anterior wall of the mastoid bowl, i.e., the posterior wall of the external auditory canal, were recognized in 105 ears in the first stage, 91 of which involved pathologic defects of the tympanic scutum caused by cholesteatoma.
(20) The transverse band of light scales on the anterior scutum is complete in Ae.