What's the difference between essence and pith?

Essence


Definition:

  • (n.) The constituent elementary notions which constitute a complex notion, and must be enumerated to define it; sometimes called the nominal essence.
  • (n.) The constituent quality or qualities which belong to any object, or class of objects, or on which they depend for being what they are (distinguished as real essence); the real being, divested of all logical accidents; that quality which constitutes or marks the true nature of anything; distinctive character; hence, virtue or quality of a thing, separated from its grosser parts.
  • (n.) Constituent substance.
  • (n.) A being; esp., a purely spiritual being.
  • (n.) The predominant qualities or virtues of a plant or drug, extracted and refined from grosser matter; or, more strictly, the solution in spirits of wine of a volatile or essential oil; as, the essence of mint, and the like.
  • (n.) Perfume; odor; scent; or the volatile matter constituting perfume.
  • (v. t.) To perfume; to scent.

Example Sentences:

  • (1) James Cameron, vice-chairman of Climate Change Capital , an environmental investment group, and a member of the prime minister's Business Advisory Group , says: "I think the UK has, in essence, become a better place for green investors.
  • (2) Study of the clinical characteristics of depressive state by hemisphere stroke with the use of symptom items of Zung scale and Hamilton scale showed that patients in depressive state with right hemisphere stroke had high values in symptom items considered close to the essence of endogenous depression such as depressed mood, suicide, diurnal variation, loss of weight, and paranoid symptoms, while patients in depressive state with left hemisphere stroke had high values in symptom items having a nuance of so-called neurotic depression such as psychic anxiety, hypochondriasis, and fatigue.
  • (3) In essence these functions describe a major aspect of the quality of life for surviving patients and may be useful when viewed in conjunction with the survival curves themselves.
  • (4) "Sunday's vote is an election in legal and constitutional terms but not in essence.
  • (5) But where it is not a free and fair election then we must fight for free and fair elections because that is the essence of our citizenship.” In Kampala, the spokesman for the FDC said the delays were a “deliberate attempt to frustrate” voters in urban areas, especially Kampala and the neighbouring district of Wakiso.
  • (6) 2) The causes of sharp differences in both, the resolving power and mechanisms of recognition of antigenic determinant by antibodies and B cell receptors, on the one hand, and of macromolecular antigens as such by antigen-recognizing receptors of T cells, on the other 3) The essence of the mechanisms by means of which the T cell receptors recognize and distinguish the macro-molecular antigens as such.
  • (7) Iatrogenesis, earlier considered to be an unfavorable effect of the word on the patient has acquired a new essence.
  • (8) "In essence it does not matter where a global company's headquarters are," he wrote.
  • (9) Although geropsychiatric nursing or mental health nursing with the elderly (MHNE) can be conceived of as a new subspecialty in psychiatric mental health nursing, in essence it is as old as nursing itself, for caring for people of all ages has always been within the purview of nursing.
  • (10) This is a review of papers on ocular manifestations of systemic diseases published, in essence, during the period from October 1, 1974 to September 30, 1975, with emphasis on papers that may contain knowledge of interest to optometrists.
  • (11) The essence of this hypothesis is that a competition for the available plasticity exists between the compensatory responses to ageing-induced degeneration and the processes necessary for memory trace formation.
  • (12) This algorithm consists of a versatile variation scheme and an innovative decision rule, the essence of which lies in a radical revision of the conventional philosophy of optimization: A number of configurations of variables with better values, instead of only a single best configuration, are selected as starting points for the next iteration.
  • (13) We believe positive symptoms have always been the essence of psychiatric disorder and should remain so.
  • (14) Speaking in the European parliament last week, Muscat warned that “unless the essence of the Turkey deal is replicated in the central Mediterranean, Europe will face a major migration crisis”.
  • (15) In essence, criminalisation leads to stigma, and stigma leads to harassment."
  • (16) In essence, the court agreed to hear oral arguments on the merits of the executive order.
  • (17) In essence, it was discovered that gastric ulcer patients exhibit a higher mesor and amplitude for both gastrin and pepsinogen, whereas duodenal ulcer patients and those with erosive gastroduodenopathy show only a significant increase in the pepsinogen mesor.
  • (18) European phenomenological psychiatry in the field of schizophrenia is introduced and its attempts to reveal the essence of autism are presented.
  • (19) This is the essence of the problem, and sadly, Festinger's words ring true today: the conviction of humans is all too often impervious to the very evidence in front of them.
  • (20) In essence, it is: “This recovery is not working for you, the everyday working people.

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.