imperforate


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Related to imperforate: imperforate hymen

imperforate

[im′pər·fə·rət]
(biology)
Lacking a normal opening.
(graphic arts)
In printing, no perforations between repeated designs, for example, stamps or labels, which are to be used separately.
References in periodicals archive ?
Posterior sagittal anorectoplasty for imperforate anus: a pre-liminary result.
These were apparent only in preparations that had been counterstained, permitting axial parenchyma cells to be distinguished in transection from imperforate tracheary elements.
Hydrocolpos secondary to imperforate hymen has been described in several case reports [3-6].
Combined general and spinal anaesthesia in an infant with single ventricle physiology undergoing norrectoplasty for an imperforate anus.
Surgical Problems (Spina Bifida, Imperforate anus, NEC etc.
Shell conical thin to medium thick, number of whorls 3, umbilicus imperforate, shell light horny yellowish, dull sometimes slightly transparent, pale shiny, shell oval shape, apex peaky, sinistral, whorls weakly convex with shallow suture, aperture very large about 3/4 of shell height and narrow at the top, whitish band on inside of outer lip, imperforate, shell surface longitudinally striated.
2,3 Other anomalies associated with sirenomelia sequence are bilateral renal agenesis, sacral agenesis, external and internal genital defects, imperforate anus and cardiac defects.
Davies (1989) established with his buoyant weighing technique that changes in coral tissue weight over the time span of an experiment were small and could be corrected for, and could be ignored altogether for imperforate corals such as Agaricia.
Hereditary syndrome of imperforate anus with hand, foot, and ear anomalies.
The Milioline have imperforate calcareous test of porcelaneous appearance with a planispiral coiled proloculus [7].
Vessel members have simple perforations on their oblique end walls, whereas tracheids are imperforate (Figures 7 and 9).