What's the difference between bisect and semicolumn?

Bisect

Definition:

(v. t.) To cut or divide into two parts.
(v. t.) To divide into two equal parts.

Example Sentences:

(1) Embryos bisected at blastocyst stages had a higher survival rate in vitro than those bisected at the morula stage.
(2) Despite the claims, the Pyongyang metro is indeed a functional system, running along two bisecting lines in the central and outer-western parts of Pyongyang.
(3) It is shown that both IgGs contain the same carbohydrate chains (biantennary and bisected) but the relative amount of bisected and incomplete chains (with fewer terminal galactose residues) is higher in myeloma IgG4.
(4) The procedure involves bisection of single-cell eggs in a medium containing cytochalasin; fusion of egg halves with single blastomeres, induced using Sendai virus or an electrofusion apparatus; and embedding in agar, followed by culture of the reconstituted embryos in the ligated oviducts of ewes in dioestrus.
(5) Stanislas could have celebrated that reprieve by treating himself to another goal when United’s defence was bisected by a wonderful pass from Gosling.
(6) The two types of procedure also yield different conclusions in scaling experiments designed to study the functional midpoint of two or more durations (temporal bisection procedures).
(7) Day 6 embryos were bisected and the resulting demiembryos were stained with Hoechst 33342 and cell counts were made by counting intact blastomere nuclei.
(8) These findings suggest that the left hemisphere has the ability to estimate the midpoint of the line through the right visual field and that visuospatial disorder in the line bisection test is attributable to the pathological change in the right hemisphere.
(9) The tailpiece sequence thus has profound effects on assembly, yet it is apparently unstructured and can be bisected without affecting its function.
(10) Binding was not affected by the inner core portion of complex oligosaccharides nor by the presence of a bisecting N-acetylglucosamine residue.
(11) In planarians bisected transversely through the pharyngeal region, the decolouration occurs only in the cephalic segment, and the caudal segment remains dark.
(12) The distribution of stable flies, Stomoxys calcitrans (L.), caught on adhesive-coated Alsynite cylinder traps indicated that a significantly higher proportion of flies landed on the side most protected from the wind, and that flies were distributed equally on both sides of the traps bisected by the direction of the prevailing wind, and that the proportion of trapped flies decreased significantly with height on the trap.
(13) This may explain the preferential action of Gal-transferase on the Man alpha 1,3 arm of both bisected and nonbisected oligosaccharides.
(14) Three experiments were conducted with bisected embryos.
(15) The negligible GlcNAc-T III activity of the four human T-cell lines and of tonsillar T lymphocytes agrees with the reported absence of bisected structures in N-glycans from human T lymphocyte membrane glycoproteins.
(16) The illusion results from an overestimation of the length of vertical lines, seems to be predominantly cognitive in nature, and exists in the absence of line bisection and a comparison line.
(17) An eccentricity index, defined as the ratio of the length of two perpendicular minor-axis diameters, one of which bisected and was perpendicular to the interventricular septum, was obtained at end-systole and end-diastole.
(18) In addition, evidence is presented for the first time that plasma fibrinogen possesses (GlcNAc beta 1----4Man beta) residues (bisecting GlcNAc) and O-glycosidically bound carbohydrate units.
(19) Along this distinctive cell contact, the cell membranes of apposing cells are separated by 210-300 a bisected by irregularly spaced 100-150-A extracellular particles which are often circular in profile.
(20) Over the past 15 years the harbour that bisects the city has been transformed from an industrial zone into a cultural and residential hub with water so clean that we take Liv swimming in the harbour baths – lifeguarded floating swimming-pool structures that are accessible for free.