(n.) A plane figure having many angles, and consequently many sides; esp., one whose perimeter consists of more than four sides; any figure having many angles.
Example Sentences:
(1) Gap junctions were of different sizes and frequently composed of a small number of connexons organized in polygonal aggregates or linear arrays.
(2) The isolated outer sheath was observed as a triple-layered, closed vesicle carrying a polygonal array by electron microscopy.
(3) Electron microscopically, the tumor cell nuclei were oval or polygonal and sometimes slightly invaginated, with a few prominent nucleoli.
(4) Delimitation of the pathological process in the lung is characterized by an increase in the number of T- and B-lymphocytes and considerable predominance of polygonally shaped cells with cytoplasmic outgrowths of different lengths and their subsequent replacement by a cell form transitory between T- and B-lymphocytes.
(5) At day 12-15, some nodules consisting of polygonal cells were formed in all culture conditions, and these nodules were mineralized 2-3 days later.
(6) The majority of the choline acetyltransferase-immunoreactive neurons had fusiform, oval, or polygonal somata with somatic diameters greater than 20 microns and contained deeply invaginated nuclei surrounded by copious cytoplasm.
(7) One type of cells had polygonal morphology, showed density-dependent contact inhibition at confluence in vitro, showed lectin-binding characteristics of endothelium (but only moderate positivity for factor VIII antigen), demonstrated induction of gamma-glutamyl transpeptidase when exposed to astrocyte-conditioned media, and responded to insulin by a pronounced increase in DNA synthesis.
(8) The first type included large multipolar neurons with triangular or polygonal perikarya and typically 3-5 dendrites emerging from the poles of each cell.
(9) Type II neurons had multipolar or polygonal cell bodies, which measured an average 31 micrometer by 43 micrometer and emitted four to seven primary dendrites.
(10) "En face" views of the epithelial cells showed capping protein distributed in a polygonal pattern coincident with cell boundaries in intestinal epithelium, sensory epithelium of the cochlea, and the pigmented epithelium of the retina and at regions of cell-cell contact between chick embryo kidney cells in culture.
(11) Polygonal, foamy macrophages were found in 12 cases.
(12) The subcultured HNC and ADPKD cells retained characteristic epithelial polygonal and elongated shape and positive immunofluorescent staining for cytokeratin.
(13) The slightly prominent apices of the superficial epithelial cells are more or less polygonal in shape and covered with short microvilli among which small granules as possible morphological expression of a secretory activity are detectable.
(14) Initially, they grew as individual polygonal cells, tending to form tight confluent monolayers with poorly defined intercellular boundaries.
(15) A 3rd type displayed a polygonal outline and increased cytoplasm.
(16) While the arteries show a long stretched spinle or lancet like form they change over blunt, oval, triangular or rhomboid forms into polygonal cells with spiked border lines at the venules.
(17) Also PMA was found to cause a profound change in astrocyte morphology; cells were converted from flat, polygonal, undifferentiated cells to process-bearing cells.
(18) On these substrata, cultured astrocytes changed their shape from flat and polygonal to stellate in the absence of hormones or growth factor supplements.
(19) The cells have a spindle, round or polygonal shape with neoplastic and pleomorphic features that grew in multilayers without contact inhibition.
(20) The rate constant for clearance as described in the paper represents a non-invasive method for rapid evaluation of the uptake capacity of the liver and, in particular, with regard to the polygonal cells of the liver parenchyma when IDA derivatives are employed.
Triangle
Definition:
(n.) A figure bounded by three lines, and containing three angles.
(n.) An instrument of percussion, usually made of a rod of steel, bent into the form of a triangle, open at one angle, and sounded by being struck with a small metallic rod.
(n.) A draughtsman's square in the form of a right-angled triangle.
(n.) A kind of frame formed of three poles stuck in the ground and united at the top, to which soldiers were bound when undergoing corporal punishment, -- now disused.
(n.) A small constellation situated between Aries and Andromeda.
(n.) A small constellation near the South Pole, containing three bright stars.
Example Sentences:
(1) Subcortical leukomalacia occurs in this triangle as well as in border zones between the major cerebral arteries.
(2) Compression can occur on various anatomic levels: interscalene triangle, costoclavicular passage, pectoralis minor tendon.
(3) Electron micrographs of negatively stained hexamers show a characteristic curvilinear, equilateral triangle of 12 nm in diameter (top view) and a rectangle measuring 10 x 12 nm (side view).
(4) This flap is formed by a triangle-shaped excision combined with cranial and caudal slitting of the periosteum.
(5) End-on views of G on virus clearly showed triangles consisting of three dots indicating the trimeric nature of native G. End-on views of CHAPS-isolated G showed very similar triangles confirming that, using this detergent, G was solubilized in its native trimeric structure.
(6) Defensively excellent, Sampson’s players persistently forced their opponents to construct their passing triangles down a series of cul-de-sacs and blind alleys.
(7) A small square and a large triangle below it were presented in the first frame.
(8) The spinal nerve is essentially damaged at two sites: the supraclavicular fossa (where the nerve is very superficial) and in the antero-lateral triangle of the neck (where the nerve approaches the sterno-cleido-mastoid muscle).
(9) A three-dimensional configuration of the temporomandibular joint was constructed by 108 triangles for the condyle and 180 triangles for the glenoid fossa.
(10) Its principle consists in repairing the tissue defect resulting from the excision of the lower lip by the additional surgical removal of one or two soft tissue triangles from the region of the nasolabial fold and in achieving primarily, by means of horizontal relieving incisions at the base of the lip defect, an extension of the mouth aperture.
(11) On the opposite side there are obviously a few people who are full of a lot of hatred.” Jake Johnstone, who was was wearing the pink triangle of the 1980s Act Up movement, said: “Obviously we had the Paris attacks and everyone was shocked by it, but because Orlando was an attack on the LGBT community it feels very personal and a lot of people feel deeply affected by it.
(12) A technique of thoracotomy via the triangle of auscultation is described.
(13) The topographic anatomy of the submandibular triangle and its contents are described in terms of four surgical planes, with considerations of the anatomic complications during surgery.
(14) The minor anatomic triangles of the neck are outlined, with appropriate direct external vessel ligation.
(15) Ward's triangle was the most sensitive area to bone mineral density changes in patients receiving prednisone, with a highly significant intergroup difference (p < 0.01).
(16) Bone mineral content (BMC) of the lumbar spine (L2-L4), femoral neck, Ward's triangle and the trochanteric region was measured in 52 consecutive patients on maintenance haemodialysis.
(17) Prevention of this obstructive type of apnea would depend on the recognition of infants showing inspiratory and expiratory changes in pharyngeal airway size as can be seen externally by the movements in the carotid triangle of the neck and confirmed by roentgenography or cinematoradiography.
(18) Microtubules capable of binding a xamimum of 4 linkers are arranged in regularly distorted hexagons and equilateral triangles.
(19) Twelve homosexual patients with Kaposi's sarcoma associated with the acquired immune deficiency syndrome (AIDS) were treated with a preparation of purified human lymphoblastoid interferon (Wellferon [Burroughs Wellcome, Research Triangle Park, NC]).
(20) The "dangerous zones" are situated at the base of the right-side surface of the interatrial septum above the fibrous ring of the septal cusp of the tricuspid valve, along the base of the membranous segment of the interventricular septum, in front of the posterior fibrous triangle, and at the fibrous ring encircling the bases of the posterior and right aortic semilunar valves.