(a.) Not palpable; that cannot be felt; extremely fine, so that no grit can be perceived by touch.
(a.) Not material; intangible; incorporeal.
(a.) Not apprehensible, or readily apprehensible, by the mind; unreal; as, impalpable distinctions.
Example Sentences:
(1) Identification and localization of impalpable liver metastases is therefore possible using intraoperative ultrasonography.
(2) The positive predictive values (number of cancers detected divided by the number of biopsies recommended) were not significantly different when comparing biopsies indicated for palpable, clinically detected (34%) vs impalpable, mammographically detected (31%) abnormalities (p = .669).
(3) Increasing awareness of the value of mammography by both physicians and the public has resulted in women presenting more commonly with impalpable breast lesions.
(4) Stereotactic fine needle aspiration biopsy (SFNB) was carried out on 404 mammographically detected impalpable breast lesions from 389 women between October 1988 and January 1990.
(5) A reconsideration of the Würzburg controversy, adding closely related altered state phenomena to the transitional series between "impalpable awareness" and specific imagery, suggests that the normally masked processes underlying the "felt meaning" or "insight" state are most directly exteriorized as what Klüver termed "complex" or geometric-dynamic synaesthesias.
(6) Over a period of four years (September 1986 to September 1990), 32 impalpable testes were found in 24 cryptorchid boys at Sainte-Justine Hospital, Montreal.
(7) The review of 20 published cases reporting the appearance of impalpable primary tumours reveals that in the great majority of cases the echostructure is hypoechoic and therefore does not present any histological specificity, and that these tumours tend to be essentially seminomas or Leydig cell tumours.
(8) A simple method is described to indicate the abnormal area in breast biopsy specimens excised following mammographic localization of impalpable lesions.
(9) Fifteen cancers were impalpable lesions which were detected by mammography alone.
(10) For all 120 patients, US revealed clinically impalpable lesions in an average of 10.8% of cases for the cervicosupraclavicular region, 17.9% for the axillary region, and 4.1% for the inguinal region.
(11) In approximately two-thirds of infants the lesion was impalpable and in 2 cases involution had occurred prenatally.
(12) We describe the technique of laparoscopy when seeking to locate an impalpable testis.
(13) The retained and impalpable testes were in superficial positions in most cases.
(14) The authors relate their experience about twenty-one cases of impalpable lesions of the breast come to their observation during the years 84-88.
(15) Impalpable testes constitute approximately 20% of most series of undescended testes.
(16) Melanomas have been divided into three groups after clinical assessment--impalpable, palpable but not nodular, and overtly nodular--and excised with 1, 2 and 3-5 cm margins respectively.
(17) Thirty-six patients (39 testes), whose testes remained impalpable even under anaesthesia, underwent laparoscopy.
(18) The assay of urinary LH and FSH in first morning void urine can be used for the differential diagnosis between anorchism and bilateral cryptorchidism with impalpable testes.
(19) In 90 boys the testis was impalpable, and exploration was performed using a muscle-splitting preperitoneal approach.
(20) Impalpable cholesterol-treated, 5 of 10 E+P-treated, and 3 of 6 E+DCA-treated hypophysectomized animals.
Imperceptible
Definition:
(a.) Not perceptible; not to be apprehended or cognized by the souses; not discernible by the mind; not easily apprehended.
Example Sentences:
(1) That cameo seemed horribly emblematic of a thoroughly underwhelming opening half which ended unadorned by a single shot on target, but almost imperceptibly something was shifting, and Klopp’s demeanour slowly shifted from jovially laid-back to scratchy and irritable.
(2) That shift might be imperceptible on paper, but where Araki's earlier work affected a certain nihilistic cool, Kaboom is warm and sympathetic towards its characters.
(3) In addition, cocaine's effects on food and water consumption and urine and fecal excretion, which were maximal by day 2, were imperceptible by day 5.
(4) The significance of two handwritten numbers scribbled almost imperceptibly on the back had been overlooked until now.
(5) The chronic persistent hepatitis, however, may develop through clinically imperceptible changes into a chronic aggressive hepatitis, and the inapparent acute hepatitis can even pass over directly into cirrhosis.
(6) The cancerolytic effect of active systemic immunotherapy, which has been shown experimentally able to eradicate a complete population of tumour cells provided they are not very numerous, has been confirmed in various forms of human leukemia and in a few solid tumours against which it was applied as treatment of the imperceptible residual disease which remains after chemotherapy or surgery.
(7) After a visit to the camp in 1966, Joan Didion described Sandperl as a man who looked as if he had, "all his life, followed some imperceptibly but fatally askew rainbow" and the institute as naive.
(8) Disadvantages of this technique are the external incision across the columella, which leaves an imperceptible scar of no clinical significance, and postoperative nasal tip edema, which resolves with time.
(9) Timing measures were obtained from subjects instructed to tap a Morse key in synchrony with a metronome which marked a timing pattern consisting of alternating blocks of intervals of imperceptibly different duration.
(10) He was 36 yards out but his hard, flat shot fizzed past a poorly positioned wall, seeming to swish slightly, almost imperceptibly right then left then right again, like the tailfin of a dolphin.
(11) Early radiologic signs of the hematoma consisted of obliteration of the aortic silhouette on the anteroposterior view and the left primary sulcus on the lateral film by a convex expanding homogenous density whose medial border blended imperceptibly with the mediastinal shadow.
(12) With little hope, he pressed on with his appeals and, almost imperceptibly at first, fortune's wheel began to turn.
(13) The remarkable sensitivity of the liver to small changes in glycemia implies that the normal coupling of the exercise-induced increase in Ra to glucose utilization may be signaled by small, nearly imperceptible changes in glucose.
(14) Berry mustered only five more points; and almost imperceptibly, Villanova seized control, soaring to a 10 point lead inside the last five minutes.
(15) It was established that all forms of ischaemic heart disease are accompanied by a significant potassium deficit imperceptible for blood and urine examinations of their electrolyte composition.
(16) Additionally, scattered cells showing a signet ring configuration were present, and in two cases, focal areas displaying chondromyxoid elements were also seen that appeared to merge imperceptibly with the surrounding spindle cell population.
(17) Pregnancy rates (highest among younger age and low parity groups) were influenced significantly and almost equally by age and parity but imperceptibly by ethnic origin.
(18) However, after incubation with hyaluronidase followed by staining with Lycramine brilliant blue JL, staining of megakaryocyte cytoplasm was either imperceptible or very pale blue.
(19) Another alternative way consists in the reinforcement of conditioning aiming both at the elimination of residual immunocompetent cells and at a more efficient action upon the imperceptible tumoral mass.
(20) An initially slow start vindicated their decision but, almost imperceptibly, the entertainment value rose.