(a.) One more than twelve; ten and three; as, thirteen ounces or pounds.
(n.) The number greater by one than twelve; the sum of ten and three; thirteen units or objects.
(n.) A symbol representing thirteen units, as 13 or xiii.
Example Sentences:
(1) Thirteen patients with bipolar affective illness who had received lithium therapy for 1-5 years were tested retrospectively for evidence of cortical dysfunction.
(2) Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification.
(3) Thirteen of the dogs treated with various drug regimens lived for 90 days, after which time treatment was stopped; 10 of the dogs eventually rejected the grafts, but three had continued graft function for 6 months or longer and may be permanently tolerant.
(4) Thirteen per cent were in prison and 12% were resident in a therapeutic community.
(5) Thirteen patients with end-stage renal disease aged 70 years have been successfully treated by chronic dialysis treatment.
(6) Thirteen (33%) also had peripheral blood involvement.
(7) Thirteen asthmatic subjects (six aspirin tolerant and seven aspirin intolerant) in a stable clinical condition and ten healthy subjects were studied.
(8) Thirteen soft tissue sarcomas with ultrastructural evidence of nerve sheath differentiation were investigated by immunohistochemistry.
(9) Thirteen of the fourteen melanomas detected were on anatomic sites normally covered by clothing.
(10) Thirteen patients responded favorably to the drug, with a significant increase in systemic arterial blood pressure and urine production.
(11) Thirteen of these patients had tubulo-interstitial lesions in addition to their glomerular disease.
(12) Thirteen of 18 patients who had resections, six of 28 patients treated with HAI, and two of 27 IV-treated patients survived 2 years or more.
(13) Thirteen cases of pulmonary tuberculosis were diagnosed during the period.
(14) The binding of IgG present in patient plasma to cultured human endothelial cells was detected using radiolabeled staphylococcal protein A. Thirteen samples gave positive results and a significant association between endothelial-associated IgG and lupus anticoagulant was found (p less than 0.05).
(15) The test plates are incubated at 37 degrees C for a period ranging from thirteen to eighteen hours.
(16) Thirteen (36%) of the 36 patients died before adequate antifungal therapy could be administered, while 13 survived long enough to receive 1,500 mg of amphotericin B; actuarial survival of the latter group from the date 1,500 mg of amphotericin B had been infused was 47% at 1 year.
(17) Thirteen children with very short small bowel (less than or equal to 38 cm jejunoileum) beginning in the first month of life were enrolled in a home parenteral nutrition program between 1977 and 1984.
(18) Thirteen myoplasties using the sartorius muscle were performed on 12 patients from 1980 to 1985 for "healing problems" in the groin with subjacent synthetic grafts.
(19) Thirteen patients had prior surgery at or near the site of infection.
(20) The duration of symptoms up to the time of biopsy and histological verification of differentiated spinocellular carcinoma of the penis varied from one month to thirteen years.
Thirteenth
Definition:
(a.) Next in order after the twelfth; the third after the tenth; -- the ordinal of thirteen; as, the thirteenth day of the month.
(a.) Constituting or being one of thirteen equal parts into which anything is divided.
(n.) The quotient of a unit divided by thirteen; one of thirteen equal parts into which anything is divided.
(n.) The next in order after the twelfth.
(n.) The interval comprising an octave and a sixth.
Example Sentences:
(1) Otocysts of twelfth and thirteenth gestation day mouse embryos were grown in organ culture for 9 and 8 days respectively.
(2) First, Anastasia Myskina carried off the French Open title four weeks ago, and now Sharapova, the thirteenth seed, gloriously and unexpectedly annexes the Wimbledon crown.
(3) Fetal DNA was obtained from amniotic fluid fibroblasts obtained during the thirteenth week of gestation and grown in culture.
(4) An examination of problems seen by general practitioners reveals that overweight ranks first (prevalence, 20% of visits per year), osteoarthritis second (19% of visits per year), and hypertension third (17.5% of visits per year); diabetes, however, ranks thirteenth among problems seen during annual visits to the general practitioner.
(5) The flow returned to control values by the thirteenth hour after infusion.
(6) Recent reports demonstrate that 40% of human colon cancers and 20% of acute leukemias contain ras mutations in the twelfth or thirteenth codon that can result in amino acid substitutions at these positions in the p21 products.
(7) Cells were observed forming a migratory stream in the period between the thirteenth and sixteenth days of gestation, and were associated with tangentially oriented fibers.
(8) This is the thirteenth reported case of adenoid cystic carcinoma of the oesophagus and the first in association with craniopharyngioma.
(9) The thirteenth edition of the standards of the American Association of Blood Banks did not require the use of A1 red cells (RBCs) or an indirect antiglobulin test (IAT) to detect anti-A in neonatal serum, whereas the fourteenth edition mandates both.
(10) The thirteenth survey of training in Radiation Oncology in the United States, conducted in the first half of 1986, revealed a reduction in the number of approved programs, but little change in the number of positions offered.
(11) Indigenous representatives from dozens of countries are holding an event in Guatemala to participate to mark the shift to the thirteenth baktun, a new era in the Mayan calendar.
(12) This paper, an examination of works published during 1990, is thirteenth in a series of our annual reviews of the research involving the behavioral, nonanalgesic, effects of the endogenous opiate peptides.
(13) The urea levels for Caucasians were apparently normal until about the thirteenth week of gestation when it rose to above normal level and increased progressively in the third trimester.
(14) The pedicle weaning method described allows the replacement of the scalp on thirteenth day.
(15) Peritoneal dialysis was kept up to the thirteenth day.
(16) The dominating structures observed in the period of the thirteenth embryonic day (ED 13) are undifferentiated cells, their cytoplasm being poor in organelles but rich in ribosomes.
(17) By combining Prof. Van der Essen's historical data with his own heredomorphological findings, Prof. Nelis identified in the year 1930 the Dukes of Brabant from the twelfth and the thirteenth centuries, namely Godfrey II, Godfrey III and Henry I (father, son and grandson).
(18) The exact relationship of the thirteenth pup was undetermined.
(19) First signs of differentiation towards two types of epithelial cells appeared on the thirteenth day of incubation: The apical cells of the epithelial buds projected towards the lumen, and an increase in the number of Golgi regions was observed in the epithelial cells between the buds.
(20) Seventeen white rabbits bearing an experimental brain tumour VX-2 carcinoma were treated for five consecutive days from the eight day after tumour injection to the thirteenth day.