What's the difference between circumference and perimeter?

Circumference


Definition:

  • (n.) The line that goes round or encompasses a circular figure; a periphery.
  • (n.) A circle; anything circular.
  • (n.) The external surface of a sphere, or of any orbicular body.
  • (v. t.) To include in a circular space; to bound.

Example Sentences:

  • (1) Direct fetal digitalization led to a reduction in umbilical artery resistance, a decline in the abdominal circumference from 20.3 to 17.8 cm, and resolution of the ascites within 72 h. Despite this dramatic response to therapy, fetal death occurred on day 5 of treatment.
  • (2) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (3) The oblique interface between corneal and scleral stroma determines the appearance of the surgical limbus whose landmarks vary around the circumference of the globe but predictably correlate with structures of the anterior chamber angle.
  • (4) Total body fat decreased from 55.8 to 41.4 kg and lean body mass and arm muscle circumference (AMC) remained unchanged.
  • (5) The variations of the elastic properties and the density around the circumference of both the immature osteopetrotic femur and the unaffected femur were found to be similar to those previously measured on normal adult bovine femora.
  • (6) Weight, arm circumference and muscle area-for-height were calculated.
  • (7) Arm muscle circumference was significantly reduced in males.
  • (8) Chest and biceps circumferences increased 4.2% and 3.1%, respectively; abdomen and thigh circumferences did not significantly change; body fat decreased 16.8%; and body mass increased 2.3%.
  • (9) Serial measurements of proximal interphalangeal joint circumference using a single joint that was selected as being 'worst' on clinical grounds or the largest joint at baseline were compared with the mean of all 10 joints in patients with active rheumatoid arthritis receiving second-line drugs.
  • (10) On admission she was found to be a well-nourished infant with a head circumference of 56 cm, bulging anterior fontanelle and mental retardation.
  • (11) Although changes in circumference are most often used, volumetric changes have been reported to be more sensitive and thus more effective.
  • (12) Closely associated with alcoholic hyalin and often found along its entire circumference, were bundles of fine filaments in parallel arrangement of much smaller size.
  • (13) Heights, weights and head circumferences were obtained from two groups of primary school children: 1016 children from throughout Oxfordshire, a rural county with few areas of deprivation, and 219 children from an economically deprived part of the city of Newcastle on Tyne.
  • (14) The affected family members had normal stature, normal occipitofrontal circumference, and no other medical problems.
  • (15) Measurements of cross-sectional muscle areas of the upper-arm and mid-thigh from MRI images were compared to corresponding estimates from anthropometric measurements of limb circumferences and skinfold thicknesses in 25 normal, healthy, elderly persons.
  • (16) In the second placebo controlled experiment 150 mg im testosterone enanthate administration was associated with enhanced rigidity of NPT but with no effect on frequency or circumference change of NPT and no effect on frequency of REM.
  • (17) Cannon bone circumference at weaning was increased (P less than .05) by growth implants.
  • (18) In order to assess the efficacy of therapy, manual measurement of the circumference of thigh and leg and echotomography were performed in order to measure the thickness of the muscle layer.
  • (19) A defect was created in the thoracic trachea in nine piglets (10 kg) by excising a segment from the entire thoracic trachea proximal to the right upper lobe bronchus (3 to 3.5 cm in length) and 30% of the circumference in width (1 to 1.5 cm).
  • (20) The results indicated significant negative correlations between maternal plasma zinc and albumin-bound zinc concentrations and plasma copper concentration in the third trimester of pregnancy and mid-arm circumference and ponderal index.

Perimeter


Definition:

  • (n.) The outer boundary of a body or figure, or the sum of all the sides.
  • (n.) An instrument for determining the extent and shape of the field of vision.

Example Sentences:

  • (1) According to perimeter of leg, 13% of these girl students might he considered affected of second degree malnutrition, this situation prevailed from 13 to 18 years of age, but was not true in the 12--year--old group.
  • (2) Down the road another group of protesters gathered outside the chain-link fence surrounding the Marriott's perimeter.
  • (3) New bone also developed on the cemoral component of the pseudarthrosis in the form of osteophytes situated around the perimeter of the resected surface.
  • (4) By double immunostaining, 55.0% to 89.7% of hCG alpha cells were synchronously immunoreactive for serotonin in Type A and 3.2% to 11.8% of hCG alpha cells showed PP-positivity in Type B. HCG alpha-positive granules had a constant relationship between perimeter (P) and area (A), log10 A approximately D log10 P, in each case (n = 5).
  • (5) The inside groups hope to be able to come out and join the blue bloc, and hold a "people's summit" inside, or near the perimeter of the centre.
  • (6) The ratio of the area (A) to the perimeter squared (L2) was termed "area factor" (f) and used as a factor indicating circularity.
  • (7) Nuclear perimeter had the highest discriminative power.
  • (8) We have now studied the morphologies, central projections, and retinal distributions of the major morphological classes of ganglion cells in the normal adult monkey, the newborn monkey, and the adult monkey in which restricted regions of retina were depleted of ganglion cells at birth as a result of small lesions made around the perimeter of the optic disc.
  • (9) The mean value of outer villous perimeter, mean chord length and per cent area were respectively 46.9 mu (X 1000 mu 2) with a standard deviation of 4.6, 57.7 mu (standard deviation 9.3) and 66.1% (standard deviation 7.4).
  • (10) The deformities resulting from premature closure of a coronal, sagittal, metopic, or lambdoid suture can be predicted by the following observations: (1) cranial vault bones that are prematurely fused act as a single bone plate with decreased growth potential; (2) asymmetrical bone deposition occurs mainly at perimeter sutures, with increased bone deposition directed away from the bone plate; (3) sutures adjacent to the stenotic suture compensate in growth more than those sutures not contiguous with the closed suture; and (4) enhanced bone deposition occurs along both sides of a nonperimeter suture that is a continuation of the prematurely closed suture.
  • (11) By means of an automatic image analysis system we measure trabecular bone area (A1) and perimeter (P1).
  • (12) Typically, approximately four to eight ER-ir ependymal cells were present around the perimeter of the third ventricle, although occasionally small aggregations of greater numbers of labeled cells were observed.
  • (13) The parameters measured were the nuclear area, the nuclear perimeter and the maximum nuclear diameter.
  • (14) The study of surface antigen by immunoelectron microscopy has been hampered by the fact that thin sections of cells provide only a view of the cell perimeter in an essentially two- dimensional fashion.
  • (15) The perimeters of neuronal somata and the proximal parts of dendrites bound the antibody.
  • (16) It is related to physical and physiological factors that derive from the volume of tissue transplanted, the neatness of its fit into the wound, its supportive facilities, its functional activity, its relation to gravity, and the effect of its perimeter scar tissue bed and venous drainage system.
  • (17) Her husband, a government official, went straight back to work after being rescued from the roof of the town hall, where he survived by clinging on to the perimeter fence while 70 of his colleagues drowned.
  • (18) Tangent-screen visual fields were compared with the fields determined by a newly acquired automated perimeter in 100 eyes of consecutive patients with glaucoma or suspected glaucoma.
  • (19) Fourteen peace activists from across the United States will begin a protest vigil and fast along the perimeter fence of the US military detention camp at Guantánamo Bay , Cuba, on Wednesday in an attempt to draw attention to what they consider to be ongoing human rights abuses at the prison.
  • (20) The reproducibility of perimetric results on the blind spot has been investigated under controllnt well-trained perimetrists on 178 eyes of 107 patients; the same eyes and patients were examined twice with the computer perimeter as well.