What's the difference between core and pith?

Core


Definition:

  • (n.) A body of individuals; an assemblage.
  • (n.) A miner's underground working time or shift.
  • (n.) A Hebrew dry measure; a cor or homer.
  • (n.) The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the core of an apple or quince.
  • (n.) The center or inner part, as of an open space; as, the core of a square.
  • (n.) The most important part of a thing; the essence; as, the core of a subject.
  • (n.) The prtion of a mold which shapes the interior of a cylinder, tube, or other hollow casting, or which makes a hole in or through a casting; a part of the mold, made separate from and inserted in it, for shaping some part of the casting, the form of which is not determined by that of the pattern.
  • (n.) A disorder of sheep occasioned by worms in the liver.
  • (n.) The bony process which forms the central axis of the horns in many animals.
  • (v. t.) To take out the core or inward parts of; as, to core an apple.
  • (v. t.) To form by means of a core, as a hole in a casting.

Example Sentences:

  • (1) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
  • (2) Hoursoglou thinks a shortage of skilled people with a good grounding in core subjects such as maths and science is a potential problem for all manufacturers.
  • (3) Schneiderlin, valued at an improbable £27m, and the currently injured Jay Rodriguez are wanted by their former manager Mauricio Pochettino at Spurs, but the chairman Ralph Krueger has apparently called a halt to any more outgoings, saying: “They are part of the core that we have decided to keep at Southampton.” He added: “Jay Rodriguez and Morgan Schneiderlin are not for sale and they will be a part of our club as we enter the new season.” The new manager Ronald Koeman has begun rebuilding by bringing in Dusan Tadic and Graziano Pellè from the Dutch league and Krueger said: “We will have players coming in, we will make transfers to strengthen the squad.
  • (4) Core biopsy with computed tomography (CT) or ultrasound (US) guidance may be such an alternative, particularly when a spring-loaded firing device is used.
  • (5) Core enzyme, lacking omega subunit, catalyzed this reaction at a rate less than 1% that of holoenzyme.
  • (6) The specified region of the inner E2 core domain was highly homologous to the region of the E2 subunit of pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase.
  • (7) Each species has approximately 500 core histones cluster repeats per haploid genome.
  • (8) Thus there may be four types of LPS in PACI: one contains unsubstituted core polysaccharide and yields L2 on acid hydrolysis, another has short antigenic side-chains of the SR type and yields the LI fraction, while the two high molecular weight fractions are derived from core polysaccharides with different side-chains.
  • (9) Peptidoglycan synthesis is unaffected by the mutations affecting the core glycosyltransferases.
  • (10) The common atoms of the [3Fe-4S] and [4Fe-4S] cores agree within 0.1 A; the three common cysteinyl S gamma ligand atoms agree within 0.25 A.
  • (11) Tachycardia, pulmonary hypertension, increased venous oxygen desaturation, and increasing core temperature develop as the syndrome progresses.
  • (12) Some aspects of the life structure, of course, are also unconscious, namely, those having to do with attempted solutions to core personality conflicts and those reflecting modes of ego functioning.
  • (13) The interaction was specific for the DNA-binding activity of receptor, since H1 histones inhibit neither T3-binding activity nor core histone-binding activity of receptor.
  • (14) In contrast to the defect in another packaging-deficient mutant ts1201, the block in the formation of dense-cored, DNA-containing capsids in ts1233-infected cells at the NPT could not be reversed by transferring the cells to the permissive temperature in the presence of a protein synthesis inhibitor.
  • (15) Steady state levels of chloroplast mRNA encoding the core PSII polypeptides remain nearly constant in the light or the dark and are not affected by the developmental stage of the plastid.
  • (16) Viral particles in the cultures and the brain were of various sizes and shapes; particles ranged from 70 to over 160 nm in diameter, with a variable position of dense nucleoids and less dense core shells.
  • (17) The ternary complex consisting of a 65-kDa peptide originating from the proteoglycan core protein and a 43-kDa link protein bound to hyaluronic acid was purified from a clostripain digest of the rat chondrosarcoma aggregating proteoglycan and 14C-carbamylated with potassium [14C]cyanate.
  • (18) The binding of 125I-labeled core protein to immobilized fibronectin was inhibited by soluble fibronectin and by soluble cold core protein but not by albumin or gelatin.
  • (19) Intact wild-type cells, or those of a mutant in which the core region of the lipopolysaccharide was absent, were equally resistant to pronase treatment.
  • (20) The others had the structures galactosyl-galactosyl-xylosyl-4-methylumbelliferone and galactosyl-xylosyl-4-methylumbelliferone, respectively, representing the linkage region between the glycosaminoglycan chains and core protein, except that 4-methylumbelliferone replaced the amino acid.

Pith


Definition:

  • (n.) The soft spongy substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It consists of cellular tissue.
  • (n.) The spongy interior substance of a feather.
  • (n.) The spinal cord; the marrow.
  • (n.) Hence: The which contains the strength of life; the vital or essential part; concentrated force; vigor; strength; importance; as, the speech lacked pith.
  • (v. t.) To destroy the central nervous system of (an animal, as a frog), as by passing a stout wire or needle up and down the vertebral canal.

Example Sentences:

  • (1) Finally, fosinopril had no effect on the pressor or chronotropic effects of norepinephrine (NE) or 1,1-dimethyl-4-phenylpiperinium (DMPP) or electrical stimulation of the sympathetic ganglia of pithed rats.
  • (2) Relatively weaker GUS activity was also detected in pith parenchyma.
  • (3) Both d- and l-amphetamine were also compared for their pressor and tachycardic activity in pithed rats.
  • (4) Intravenous administration of T-2 to pithed rats did not alter blood pressure or heart rate at a time when, in conscious rats, both blood pressure and heart rate were increased.
  • (5) Monoiodo-Ang II was found to be a potent, full agonist in in vivo bioassays and a more potent (2.5-fold) pressor agent than the native hormone Ang II in the pithed rat.
  • (6) APP 201-533 [3-amino-6-methyl-5-phenyl-2(1H)-pyridinone] was investigated in vivo in anesthetized and unanesthetized dogs and pithed open-chest cats and in vitro in guinea pig atria and papillary muscles, skinned muscle fibers from pig hearts, and rat myocardium.
  • (7) The effects of quinpirole, a specific dopamine DA2 receptor agonist, on autonomic nervous control of heart rate, were studied in normotensive pithed rats, by analysing its action on the tachycardia and bradycardia evoked by electrical stimulation of the cardioaccelerator (10 V; 1 ms; 0.5, 1, 3, 6 Hz) and vagus (10 V; 1 ms; 3, 6, 9 Hz) nerves respectively.
  • (8) Pith cells can shift from the C- to the C+ state by a process known as habituation.
  • (9) The pressor actions of ET3 and arginine vasopressin (AVP) were compared with one another in pithed rats in the presence of the calcium channel activator BAY K 8644 or the calcium channel antagonist nifedipine i.a.
  • (10) Both human endothelin 1 (ET1) and rat endothelin 3 (ET3) produced dose-dependent pressor effects in the pithed rat.
  • (11) Viprostol did not antagonize the tachycardia induced by stimulation of the discrete segments at C7-T1 (cardio-accelerator) of the spinal cord in pithed SHR, suggesting that viprostol did not activate the presynaptic alpha-adrenoceptors.
  • (12) In pithed rats, the vasopressor response to dihydroergotoxine was reduced competitively by yohimbine, and non-competitively by nifedipine, but not by prazosin or methysergide, showing that the vasoconstriction is mediated by alpha 2-adrenoceptors.
  • (13) The antagonistic effects of a new inositol phosphate derivative, D-myoinositol-1,2,6-trisphosphate (PP56), on pressor responses to preganglionic sympathetic nerve stimulation and exogenously administered phenylephrine or neuropeptide Y (NPY) were investigated in vivo in the pithed rat.
  • (14) We conclude that in contrast to the increase in diastolic pressure elicited by B-HT 920, calcium channels are not involved in the cirazoline-induced pressor responses in the pithed cat.
  • (15) Acute or chronic adrenalectomy did not alter the pressor responses and chronotropic effect of angiotensin in the pithed rat.
  • (16) Habituated cells derived from inducible pith cells give rise to normal plants whose leaf and pith tissues require cytokinin for growth in culture.
  • (17) The endovenous perfusion of the splenic material in acidified and alkalinized forms caused significant increases of the mean blood pressure in normal, vagotomized and pithed rats, showing that, in contradiction to previous reports, changes in pH did not affect its hypertensive activity.
  • (18) The dose-response curves of three alpha-agonists noradrenaline, St 587 and B-HT 933 in pithed rats were shifted rightwards by pretreatment (i.v.
  • (19) In pithed rats, only pindolol produced a definite fall of blood pressure.
  • (20) The bradycardia was reduced but not blocked by pre-treatment with guanethidine, yohimbine, propranolol or pithing.