(n.) A sensation resembling that made by the creeping of ants on the skin.
Example Sentences:
(1) Simple hexane and formic acid-hexane extraction methods, involving pretreatment of the serum with formic acid, were compared by radiometric and by paper chromatographic and gas chromatographic analysis.
(2) Ten tissue sections from 10 examples of Bowen's disease were excised from paraffin blocks, rehydrated, and incubated in 90% formic acid at 45 degrees C for 18 h. The epidermis was gently removed with the aid of a dissecting microscope, and the remaining dermis with attached basal lamina was processed for scanning electron microscopy.
(3) The green pigments from the fungi of the genera Trichoderma and Penicillium were partially extracted with formic acid.
(4) Further purification was performed by gel chromatography using a Superose 12 column eluted in 70% formic acid.
(5) The six silage treatments were untreated corn silage (low nitrogen); untreated corn silage and untreated alfalfa silage (1:1); untreated corn silage and formaldehyde and formic acid-treated alfalfa silage (1:1); ammonia-treated corn silage (low nitrogen); treated corn silage and untreated alfalfa silage (1:1); or treated corn silage and treated alfalfa silage (1:1).
(6) Heating, growth of fungi, and days until spoilage were delayed by all acid additions during refermentation, with propionic more effectivethan formic.
(7) The eggs of Dicrocoelium dendriticum were induced to open by solutions of formic acid and caproic acid (Table 1).
(8) They were then decalcified for 14 days in 5% formic acid-sodium citrate, sectioned serially at 7 microns and stained with hematoxylin and eosin, Masson's stain, and silver impregnated stain.
(9) Liver microsomes isolated from rats fed the 3 diets metabolized MAM to formic acid and methanol in vitro, but liver microsomes from rats fed the continuous ethanol diet were 12 to 15 times more active than liver microsomes from rats fed the control diet.
(10) At elevated pH and temperature, chloral hydrate readily decomposed and chloroform and formic acid were detected as products.
(11) This embryotrophic factor was extracted from BSA dissolved in formic acid by membrane filtration (membrane cutoff of M(r) 10,000) and then freeze-drying of the filtrate.
(12) The enhanced sensitivity of some Salmonella typhimurium strains to the mutagenic action of a number of chemicals appears to be due to the defect in the uvrB gene product and not to an inability to produce H-2-S or to the absence of formic acid hydrogenlyase which also characterizes these strains.
(13) Studies using H2(18)O and 18O2 demonstrated that, in the cleavage of (4-hydroxybenzoyl)methanol to 4-hydroxybenzoic and formic acids by an enzyme from an Alicaligenes sp., oxygen is incorporated into both products from dioxygen and not from water.
(14) 60% Formic acid, necessary for solubilization of structural polypeptides of poliovirus and other proteins, modified at the cysteines, was used together with 2-propanol or acetonitrile as organic modifier for gradient elution in reversed-phase high-performance liquid chromatography.
(15) In sharp contrast, both intact M1 protein and the C-terminal 15-kilodalton formic acid fragment were able to inhibit viral transcription markedly.
(16) The concentrate from this step was applied to a gel filtration column of Sephacryl S-200 and eluted with 10% formic acid.
(17) In addition, evidence is presented that formic acid is crossing the brushborder membrane of rabbit renal cortex by non-ionic diffusion.
(18) After EDTA or formic acid decalcification, a range of DNA denaturation schedules was assessed and immunohistological detection of BrdU-containing nuclei was performed using the Sera Lab anti-BrdU antibody MAS 250b.
(19) Lactic acid was the major product; ethyl alcohol, acetic acid, formic acid, and carbon dioxide were formed in smaller amounts.
(20) The sample is transferred to a volumetric flask, a small volume of formic acid is added to dissolve and stabilize the ergotamine, and the solution is diluted to volume with methanol.
Menopause
Definition:
(n.) The period of natural cessation of menstruation. See Change of life, under Change.
Example Sentences:
(1) Osteoporosis and its treatment have attracted much attention in recent years, especially since the widespread recognition of its association with the menopause.
(2) Today the physician who treats women with emotional problems during menopause cannot function solely as a psychotherapist; he must deal with both their soma and psyche.
(3) The difference in the timing of the change in FSH and LH concentrations was related not only to chronological age but also to the number of years before the menopause.
(4) Women in the late pre-menopausal group who were clinically depressed had significantly higher levels of TSH and triiodothyronine than other subjects.
(5) A comparative evaluation of these data suggest that hormone independent cells are present in the cervical crypts of late menopause women and that a cyclic change of hormone dependent cells may occur in fertile women, analogous to the cyclic changes of endometrial mucosa.
(6) In short term clinical studies, the beneficial effects of transdermal estradiol on plasma gonadotrophins, maturation of the vaginal epithelium, metabolic parameters of bone resorption and menopausal symptoms (hot flushes, sleep disturbance, genitourinary discomfort and mood alteration) appear to be comparable to those of oral and subcutaneous estrogens, while the undesirable effects of oral estrogens on hepatic metabolism are avoided.
(7) The relationships between the menopause and risk factors for ischaemic heart disease are complex, which may be one reason for the contradictory results when relating menopausal age to the incidence of ischaemic heart disease.
(8) The modifying effect of estrogen receptor status on the relation of obesity to node involvement was apparent in pre- and post-menopausal women.
(9) The gonadally unresponsive patients had either pituitary tumours or premature menopause.
(10) Quantitative variation of the lysosomes in the epithelium of the human uterine tube in the menstrual cycle and in post-menopausal period.
(11) In contrast, none of 16 women who had reached menopause and only two of 21 men required oral absorption of dietary or prescribed iron for the amount of blood iron donated.
(12) To determine if menopausal status influenced the response to exercise, we analyzed the difference between groups for premenopausal and postmenopausal subjects separately.
(13) In pre-menopausal women no association has been found between increased height and weight as risk factors for breast cancer.
(14) Among breast cancer women, PRL increase was irrespective of the type of surgery, the histology of the tumor and the menopausal status.
(15) The same two estrogens were given to women with natural menopause, along with utrogestan, a micronized progesterone.
(16) It is highly probable that the menopause, spontaneous or above all artificially induced, is a cardiovascular risk factor.
(17) It is always purified on Sephadex G-100 immediately before addition to the RIA and in this manner it may be used for up to 2 month after labeling when kept at --20 degrees C. Curves obtained at different dilutions of the H-FSH Standard, carried out with phosphosaline buffer, pH 7.4-7.8 (PBS) containing 1 % human serum albumin, or with horse plasma, of with PBS containing 0,25 % serum from non-immune rabbits (RIA Buffer) have been compared iwth those abtained by serial dilutions of sera from post-menopausal with these diluents.
(18) Three women in generation IV have developed pre-menopausal breast cancer.
(19) None of the variables examined emerged as being significantly associated with PA when data from pre-menopausal patients were used.
(20) Estrogen receptors are more frequently found in post-menopausal women than in women who are still menstruating.