(a.) Being away from a place; withdrawn from a place; not present.
(a.) Not existing; lacking; as, the part was rudimental or absent.
(a.) Inattentive to what is passing; absent-minded; preoccupied; as, an absent air.
(v. t.) To take or withdraw (one's self) to such a distance as to prevent intercourse; -- used with the reflexive pronoun.
(v. t.) To withhold from being present.
Example Sentences:
(1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
(2) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(3) Antral G cells increase in states of achlorhydria in man and animals provided atrophic antral gastritis is absent.
(4) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
(5) It is widely seen as a counter to China’s economic might in Asia, and the world’s second largest economy is notably absent from the list of signatories.
(6) In preparations from older animals this effect was absent or there was a potentiation of the responses.
(7) Isoenzyme LDH4 was absent in the human pancreas in all the studied periods of embryonic development.
(8) Electron microscopy revealed the presence of a hitherto unreported peculiar "pilovacuolar" inclusion in numerous mitochondria, composed of an electron dense pile or rod within a vacuole, while globular or crystalline inclusions were absent.
(9) The region is distinctive in that the sequence is absent from the homologous domain of the erythroid alpha chain and diverges from the normal internal repeat structure observed throughout other spectrins.
(10) The pathway of ketogenesis in renal cortex must differ from that of the liver, as beta-hydroxy-beta-methylglutaryl-CoA synthetase is virtually absent from the kidney.
(11) This article presents the case of bilateral absent maxillary permanent molars with severe oligodontia and no other abnormalities.
(12) On the seventh day, when middle ear effusions were absent, the ciliary activity had recovered to normal.
(13) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
(14) This phenomena is strongly marked in spastic and mixed types of drowning and is absent in aspiration and reflex types.
(15) For CT scans, these periventricular changes were graded according to their extent as absent, or partly involving the white matter, or extending up to the subcortical region.
(16) It is generally agreed upon that ERT is fruitless in the patient with severe head trauma or when vital signs were absent at the scene of the injury.
(17) Intact wild-type cells, or those of a mutant in which the core region of the lipopolysaccharide was absent, were equally resistant to pronase treatment.
(18) Following the surgery, one patient continued to exhibit PLEDs but clinical seizures were absent PLEDs recurred in the second patient due to inadequate anticonvulsant medication.
(19) Moreover, it was more apparent in less differentiated tumors in which the granular pattern was often absent or inconsistent.
(20) The characteristic heart rate deceleration shown immediately prior to the aversive stimulus by control subjects was absent in the schizophrenic group.
Lacuna
Definition:
(n.) A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.
(n.) A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.
Example Sentences:
(1) Casts of lacunae and canaliculi along with the underlying matrix could be visualized in these preparations.
(2) This kind of distribution of microfilaments was always associated with resorption lacunae, and F-actin, vinculin, and talin zones correspond roughly to the edge of lacunae.
(3) As lacunae develop, both syncytial and cytotrophoblast are exposed to maternal blood.
(4) A cartilage is regarded as 'cell-rich' if its cells or their lacunae occupy more than half of the tissue volume.
(5) Intravenous urography reveals the presence of a persistent lacuna in a calix or of the pelvis, radiologic evidence of the abnormal papilla.
(6) Under the scanning electron microscope, the clear dentine tubules in the resorption lacuna, the shallow, unclear resorption lacuna with deposition of the hard tissue and the various steps between them were observed.
(7) Localised tumour forms present either in the form of large polycyclic lacunae, sometimes invaginated or as vast ulcerations with irregular nodular margin, or as due to parietal infiltration and exoluminal development of the tumour mass and neighbouring adenopathy.
(8) The resorbant organ, rich in odontoclasts, cementoblasts, fibroblasts, and macrophages, formed prominent resorption lacunae in root dentin.
(9) Signs of osteolysis, such as enlarged osteocyte lacunae surrounded by a metachromatic zone in toluidine blue stained sections, and confluence of osteocyte lacunae in microradiographs, were compared with the fluorochrome labelling pattern.
(10) These had networks which formed the floor of each stomata and the roof of each lacunae.
(11) Besides greater detailization of the prevailing diameters of the pores, the method of poremetry allows the information to be obtained concerning the distribution of not only sizes of central canals of osteons but also smaller pores characterizing the system of lacunae of osteocytes and canals connecting them.
(12) Osteocyte viability within the femoral head was assessed by counting empty osteocyte lacunae in five random high-power fields of hematoxylin- and eosin-stained sections.
(13) Lipohyalinosis, initially referred to as the underlying pathologic vascular lesion specific for lacunae, is found most commonly in a subset of patients with severe hypertension associated with multilacunar dementia.
(14) These areas were characterized by a matrix of amorphous blue ground substance with lacunae that contained enlarged and slightly atypical cells.
(15) The condition was diagnosed by biopsy of a cranial bone lacuna.
(16) When ascorbic acid is added to the hormone-supplemented medium, differentiating chondrocytes organize their matrix leading to a cartilage-like structure with hypertrophic chondrocytes embedded in lacunae.
(17) The occlusion of arterioles underneath the site suggests that circulation through the lacunae at this stage is indirect.
(18) The second most common cause of dementia, cerebrovascular disease, produces dementia only when there is destruction of brain tissue, as in individuals who have multiple strokes or who have hypertensive vascular disease leading to multiple lacunae.
(19) Macrophages and giant cells did not form pits or resorption lacunae on the bone substrates as osteoclasts did.
(20) These MNC express an osteoclast phenotype and form resorption lacunae on calcified matrices.