What's the difference between hypertrophy and overgrowth?

Hypertrophy


Definition:

  • (n.) A condition of overgrowth or excessive development of an organ or part; -- the opposite of atrophy.

Example Sentences:

  • (1) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
  • (2) The severity and site of hypertrophy is important in determining the clinical picture and the natural history of hypertrophic cardiomyopathy (HCM).
  • (3) A NYHA-class greater than II was observed in 18% of patients with type-I hypertrophy, in 29% with type II, but in 61% with type III (p less than or equal to 0.05).
  • (4) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
  • (5) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
  • (6) However, in benign prostatic hypertrophy (BPH) cases, a high false positive rate of 41% was observed in Americans.
  • (7) We conclude that aging alone has little or no effect on the responsiveness to insulin of glucose metabolism in fat cells and that the insulin resistance of adipocytes from obese older rats is due to fat cell hypertrophy, not aging.
  • (8) Dysplasia epiphysealis hemimelica - an epiphyseal developmental disturbance of the skeleton - is combined with exostose-like, tumor-simulating cartilaginous hypertrophy of bone tissue, mainly located at the epiphyses of the lower extremities and at the tarsal bones.
  • (9) Hypertrophy is restricted to subdivisions of the inferior olive included in recurrent cerebello-mesencephalic-olivary circuits.
  • (10) Renal hypertrophy was induced in mice by injection of testosterone.
  • (11) Contribution of proliferation and hypertrophy of the epitheliocytes to the growth and regeneration of the rat parathyroid glands was estimated using organo- and cytometry, cytophotometry of DNA content in the nuclei and determination of mitotic index.
  • (12) Ultrastructurally, the atrial myocardial cells in all three patients were hypertrophied, and two patients had evidence of focal cell degeneration; the atrium was markedly dilated, but atrial arrhythmias were not noted.
  • (13) When the same dose of ISO was administered to rats with aortic constriction the rise in labelled Ca uptake by the hypertrophied myocardium of the left ventricle was greatly reduced.
  • (14) Golgi complex hypertrophy follows fertilization, and this increased activity continues throughout early embryogenesis.
  • (15) We studied DNA (mtDNA) replication in adult female rat hearts undergoing hypertrophy secondary to constriction of the ascending aorta.
  • (16) Four hours after infusion, the animals displayed a clinical and pathological pattern which closely resembled post-traumatic acute respiratory distress syndrome, including hypoxia, hypocarbia, thrombocytopenia, increased pulmonary capillary permeability to albumin, interstitial edema, hypertrophy of alveolar lining cells, and intra-alveolar hemorrhage.
  • (17) Twenty-one of the 22 patients showed systolic anterior movement of the anterior leaflet of the mitral valve on a cineangiogram and the papillary muscles and left ventricular wall were moderately to severely hypertrophied in 18 patients.
  • (18) Persisting diastolic dysfunction with a substantial rise in left ventricular filling pressure can be observed during dynamic exercise in postoperative patients with preoperative severe pressure overload hypertrophy.
  • (19) Water restriction of HYD birds for 5 days as adults stimulated tubule hypertrophy but not to the same extent as the chronic regimen and with no evidence for hyperplasia.
  • (20) The diagnosis was considered established, when the patient had a significant left intraventricular pressure gradient (LIPG) and by angiographic and or echocardiographic demonstration of systolic anterior movement of the mitral valve and asymmetric septal hypertrophy.

Overgrowth


Definition:

  • (n.) Excessive growth.

Example Sentences:

  • (1) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
  • (2) Tissue overgrowth (pannus) was seen in all but three prostheses.
  • (3) Susceptible rat strains develop hepatobiliary injury following the surgical creation of self-filling blind loops that cause small bowel bacterial overgrowth.
  • (4) We conclude that in patients receiving mechanical ventilation, the use of a prophylactic agent against stress-ulcer bleeding that preserves the natural gastric acid barrier against bacterial overgrowth may be preferable to antacids and H2 blockers.
  • (5) An overgrowth of bacteria was observed over the entire surface of the clips.
  • (6) The previous demonstration that sperm kept at body temperature (37 degrees C) had a marked deterioration in motility accompanied by an overgrowth of bacteria in the semen and a concomitant decrease in pH led to this study to test the hypothesis that the decrease in motility was caused by the bacteria or by bacterial alteration of seminal pH.
  • (7) Pathologic examination revealed no endometriosis, but examination of the distal appendix showed structural disorganization of its entire wall, with lack of proper differentiation of its normal coats and irregular overgrowth of fibroadipose, fibromuscular, and neural elements.
  • (8) Mutations of the lethal(1)discs large-1 (dlg) tumor suppressor gene of Drosophila cause neoplastic overgrowth of the imaginal discs.
  • (9) The microbial overgrowth syndrome of the small bowel (MOS) is characterized by clinically found symptoms of increased metabolic activities of microorganisms existing in a great number in the intestinal juice of these patients.
  • (10) "Neural overgrowth" and disturbed "recanalization process" are discussed in relation to the pathogenesis of myelomeningocele.
  • (11) Fifteen children who fulfilled the criteria of chronic non-specific diarrhea of infancy were evaluated for intestinal bacterial overgrowth.
  • (12) If not enough styloid is excised, osteophytic overgrowth will occur; if too much is excised, the carpus will sublux radially.
  • (13) Overgrowth of cartilage by inflamed synovium was seen within 3-6 days of induction of arthritis and by day 12 the interface between these two tissues was largely indistinguishable.
  • (14) This study shows the efficacy of both quinolones in eradicating gram-negative bacilli in the alimentary tract of bone marrow transplant patients; however, the finding of the overgrowth of resistant gram-positive organisms during treatment with these agents deserves further evaluation.
  • (15) With regular feeding, these cultures can be maintained for at least 3 weeks with no overgrowth by mononucleate cells, and with far less degeneration than with insulin as the only supplement.
  • (16) The inhibition, during the late phase, is mainly related to an overgrowth of the enteric bacteria.
  • (17) The establishment of myeloschisis was followed by local separation of the notochord from an open area of neural tube, but not by overgrowth of neural tissue.
  • (18) Complex combined vascular malformations with limb overgrowth need careful investigations to clearly define the vascular component and the management.
  • (19) One mode involves focal overgrowth of membrane bones, producing multiple hyperostoses which result in progressive craniofacial disfigurement and asymmetry.
  • (20) The progressive valgus deformity might have been caused by stimulation of overgrowth of the medial tibial metaphysis.

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