(n.) The history of the individual development of an organism; the history of the evolution of the germ; the development of an individual organism, -- in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.
Example Sentences:
(1) The effects of postnatal methyl mercury exposure on the ontogeny of renal and hepatic responsiveness to trophic stimuli were examined.
(2) These results suggest that ED2+ macrophages, TRPM-3+ macrophages, and Ia+ dendritic cells are distinct cell lines that pursue independent developmental process in spleen ontogeny.
(3) We have studied the postnatal ontogeny of creatine kinase (CK) and the glycolytic enzymes phosphoglycerate kinase (PGK), phosphoglycerate mutase (PGM), enolase (En), and pyruvate kinase (PK) in rat brain and uterus.
(4) Experiments were conducted in a group of pigs to determine the ontogeny of antigen specific IgA in the trachea.
(5) More and more of ontogeny has been taken over for eruption.
(6) The results suggest that normal development of some invertebrate neural pathways may be more dependent on experience during ontogeny than has previously been assumed.
(7) During ontogeny, the number of these cells gradually increased.
(8) In studies of the ontogeny of fibroblast-epithelial interactions during late fetal lung rat lung development, we have identified two subpopulations of fibroblasts which differed in their ability to promote epithelial cell proliferation or differentiation.
(9) In ontogeny, Ia+ dendritic cells were not stained with ED2 or TRPM-3.
(10) This difference was observed throughout ontogeny up to 15 mo of age, and was associated with increased levels of IL 2 activity in the culture supernatants.
(11) The present study investigated the ontogeny of 3H-uridine incorporation into RNA as a measure for RNA synthesis in preimplantation porcine embryos from the two-cell stage up to the stage of the newly hatched blastocyst.
(12) Recent advances in hybridoma technology and cellular immunology have facilitated the understanding of the ontogeny, structure, and function of the avian immune system.
(13) The present study was undertaken to assess the functional ontogeny of alpha 2-noradrenergic receptors in the hypothalamic paraventricular nucleus (PVN) that mediate noradrenergic stimulation of feeding in the rat.
(14) The heterogenous ontogeny and binding characteristics of brain and liver T3NR is compatible with the hypothesis that different thyroid hormone receptors are expressed in these tissues.
(15) Furthermore, it can be suggested that the onset may even be in the fetal stage and that lesions of specific neuronal systems occurring in early ontogeny could result in specific abnormality in the higher system which manifest later in development, after these structures reach certain levels of maturation.
(16) In three experiments, the effects of augmenting or blocking dopamine (DA) D-2 receptor activity on the ontogeny of response suppression learning of preweanling rat pups were determined.
(17) Kupffer cells in the liver and endothelial cells of blood vessels stained positively for the enzyme at every stage of ontogeny studied.
(18) The axonal amelin antibody detects a 97 kDa protein in embryonic tissue which diminishes during development; and a 93 kDa protein which is first seen at postnatal day 1 of mouse brain ontogeny, increasing constantly to its adult concentrations.
(19) The expression of T-cell antigen receptors during T-cell ontogeny is an important issue that bears directly on such questions as where T-cell tolerance is acquired, at what stage T cells become susceptible to repertoire selection, and why most thymocytes die within the thymus.
(20) Most importantly, our hypothesis leads to a series of experimentally testable predictions, which should provide considerably greater insight into the ontogeny of NK cells and their relationship to the T-cell lineage.
Organism
Definition:
(n.) Organic structure; organization.
(n.) An organized being; a living body, either vegetable or animal, compozed of different organs or parts with functions which are separate, but mutually dependent, and essential to the life of the individual.
Example Sentences:
(1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(2) These organic compounds were found to be stable on the sorbent tubes for at least seven days.
(3) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
(4) After 3 and 6 months, blood collected by cardiocentesis using ether anesthesia and then sacrificed to remove CNS and internal organs.
(5) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
(6) For the first time it was organized on the basis of population.
(7) Acceptance of less than ideal donors is ill-advised even though rejection of such donors conflicts with the current shortage of organs.
(8) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
(9) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(10) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
(11) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
(12) Infection with opportunistic organisms, either singly or in combination, is known to occur in immunocompromised patients.
(13) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
(14) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
(15) Neither Brucella organisms, nor increased numbers of neutrophils could be found in semen samples collected from the experimental animals.
(16) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
(17) A review is made from literature and an inventory of psychological and organic factors implicated in this pathology.
(18) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(19) Data is available to support the early influences of enamel organ epithelium upon a responding mesenchyme in the determination of dental morphogenetic fields (Dryburg, 1967; Miller, 1969).
(20) The four deaths were not related to the injuries of parenchymatous organs.