(n.) One of a kind of minute, calcareous bodies, probably vegetable, often abundant in deep-sea mud.
Example Sentences:
(1) Three acidic polysaccharides (PS-1, PS-2, and PS-3) were extracted from the coccoliths with EDTA and were separated and purified by differential precipitation with magnesium ions and chromatography on DEAE-cellulose.
(2) Bibliographic data concerning the variability of coccosphere and coccoliths during the life-cycle of two extant Coccolithophorid species (Calcidiscus gr.
(3) The coccoliths from the species Emilania huxleyi (Lohmann) Kamptner contain a water-soluble acid polysaccharide.
(4) The method is illustrated by application to mixtures of the constituent sugars of the capsular polysaccharide from Klebsiella type 57, alpha 1-acid glycoprotein, mucus glycoproteins, and the methylated, acidic polysaccharide from the coccoliths of Emiliania huxleyi (Lohmann) Kamptner.
(5) A large-scale cultivation of the Coccolithophoridae was worked out and a new procedure for isolating coccoliths was developed.
(6) This species is useful for the study of mineralization, because it produces calcified scales known as coccoliths in homogeneous cell culture.
(7) A polysaccharide associated with coccoliths of the marine alga Emiliania huxleyi (coccoliths are elaborately shaped calcite biominerals) was isolated and its influence on the crystallization of calcium oxalate monohydrate crystals was studied.
(8) sibogae) are summarized and completed by new observations on the structure of the proximal shield by fossil coccoliths.
(9) C-occolithophoridae, a group of mostly unicellular algae, possess a cell wall containing calcified plates, called coccoliths.
(10) These observations also point out the possibility of a diachronous evolution of the two shields of the same coccolith type, underlining the necessity for a better knowledge of the proximal shield structure, usually somewhat neglected.
(11) Such intermediate coccoliths have been previously described from the Badenian (middle Miocene) of central Europe.
(12) The possible role of the polysaccharide as a heterogeneous matrix in coccolith formation is discussed.
(13) leptoporus in the latest Miocene (Messinian) assemblages from three oceanic localities (central Pacific, eastern equatorial Atlantic and southwestern Indian oceans) indicates the co-occurrence of two types of coccoliths: (1) typical C. gr.
(14) A polysaccharide with similar properties could be isolated from subfossil coccoliths of E. hyxleyi (about 1000 years old).
Skeletal
Definition:
(a.) Pertaining to the skeleton.
Example Sentences:
(1) It was found that the skeletal muscle enzyme of the chick embryo is independent of the presence of creatine and consequently is another constitutive enzyme like the creatine kinase of the early embryonic chick heart.
(2) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
(3) It was concluded that the spheno-occipital complex has a close relationship to the skeletal facial pattern and contributes to the facial formation.
(4) Conclusions on phylogenetic trends of sexual dimorphism of skeletal robusticity and the effect of culture on it seem to be premature.
(5) Endogeneous satellite cells in skeletal muscle regenerating from bupivacaine damage were infected with an injected retrovirus containing the Escherichia coli beta-galactosidase gene under the promoter control of the Moloney murine leukemia virus long-terminal repeat.
(6) These results indicate that the growth-promoting activity of beta 2m is mediated at least in part by regulating local IGF I binding and synthesis by skeletal cells.
(7) These preliminary experiments suggest that oSm is similar to IGF-I in its binding characteristics and that primary cultures of skeletal muscle satellite cells possess type I and type II IGF receptors.
(8) Special conditions apply for the scoring of a first and a last bone stage in a sequence, which will introduce less bias in the estimation of individual skeletal maturity with the MAT-method than with the TW-method.
(9) Chick sympathetic nerve fibers densely innervate expansor secundariorum muscle, but not skeletal muscle.
(10) The first method used an accelerometer mounted between the teeth of one of the authors (PR) to record skeletal shock.
(11) Three of the tumours represented primary soft tissue lesions, while locally recurrent tumour or pulmonary metastases were studied from the 4 skeletal tumours, all of which had been diagnosed previously as Ewing's sarcomas.
(12) The intra cellular free amino acid concentrations of skeletal muscle were determined in tissue specimens obtained before operation and on the third postoperative day using a percutaneous needle biopsy technique.
(13) In this article we present a synthesis of recent information concerning the fate of lactate in skeletal muscle.
(14) It is suggested that this human model of unloading could serve to simulate effects of microgravity on skeletal muscle mass and function because reductions in muscle mass and strength were of similar magnitude to those produced by bed rest.
(15) We review here various ways in which cardiac assistance might be derived from a patient's own skeletal muscle.
(16) Skeletal muscle mtDNA of three patients with mitochondrial encephalomyopathy, characterized clinically by myoclonic epilepsy and ragged-red fiber (MERRF) syndrome, has been sequenced to determine the underlying molecular defect(s).
(17) The soleus, deep portions of the vastus lateralis, and superficial portions of the vastus lateralis muscles were examined to represent slow-twitch-oxidative, fast-twitch-oxidative-glycolytic, and fast-twitch-glycolytic skeletal muscle fiber types, respectively.
(18) Overall, the differences in skeletal muscle energy state during rest and the corresponding changes in concentration of high-energy phosphates during mild exercise suggest a very limited energy reserve in the hypotonic muscle of VLBW infants.
(19) The contents of magnesium, potassium and zinc plasma did not correlate with the corresponding concentrations in skeletal muscle or circulating blood cells, as investigated in healthy controls, diabetics and in all subjects together, implying that the plasma concentrations are not useful in the assessment of electrolyte status.
(20) The activity of gamma-glutamyl transpeptidase (gamma-GT), a membrane-bound enzyme, was assayed by a sensitive fluorometric method in the brain, heart, kidney, liver, skeletal muscle and serum of normal and dystrophic hamsters and mice.