What's the difference between first and primordial?

First


Definition:

  • (a.) Preceding all others of a series or kind; the ordinal of one; earliest; as, the first day of a month; the first year of a reign.
  • (a.) Foremost; in front of, or in advance of, all others.
  • (a.) Most eminent or exalted; most excellent; chief; highest; as, Demosthenes was the first orator of Greece.
  • (adv.) Before any other person or thing in time, space, rank, etc.; -- much used in composition with adjectives and participles.
  • (n.) The upper part of a duet, trio, etc., either vocal or instrumental; -- so called because it generally expresses the air, and has a preeminence in the combined effect.

Example Sentences:

  • (1) First results let us assume that clinically silent TIAs also (in analogy to clinically silent brain infarctions) could be detected and located.
  • (2) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
  • (3) However, when first trimester specimens were analyzed, the direct-product measurements were significantly larger than the corresponding 3H2O assay results.
  • (4) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
  • (5) Van Persie's knee injury meant that Mata could work in tandem with the delightfully nimble Kagawa, starting for the first time since 22 January.
  • (6) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
  • (7) The issue of the Schizophrenia Bulletin is devoted to articles representing this full range of conceptual and empirical work on first-episode psychosis.
  • (8) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
  • (9) Oculomotor paresis with cyclic spasms is a rare syndrome, usually noticeable at birth or developing during the first year of life.
  • (10) In early 2000, during the first months of Vladimir Putin’s presidency, Babitsky was kidnapped by Russian forces and disappeared for many weeks.
  • (11) The Frenchman’s 65th-minute goal was a fifth for United and redemptive after he conceded the penalty from which CSKA Moscow took a first-half lead.
  • (12) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
  • (13) For the first time it was organized on the basis of population.
  • (14) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.
  • (15) gamma-Aminobutyric acid (GABA) and glutamate release from the treated side was higher than the control value during the first 2-3 h, a result indicating an important role of glial cells in the inactivation of released transmitter.
  • (16) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
  • (17) Complementarity determining regions (CDR) are conserved to different extents, with the first CDR region in all family members being among the most conserved segments of the molecule.
  • (18) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
  • (19) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
  • (20) Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues.

Primordial


Definition:

  • (a.) First in order; primary; original; of earliest origin; as, primordial condition.
  • (a.) Of or pertaining to the lowest beds of the Silurian age, corresponding to the Acadian and Potsdam periods in American geology. It is called also Cambrian, and by many geologists is separated from the Silurian.
  • (a.) Originally or earliest formed in the growth of an individual or organ; as, a primordial leaf; a primordial cell.
  • (n.) A first principle or element.

Example Sentences:

  • (1) In contrast, in primordial follicles, FSH was restricted to the germ cell but was present in both the oocyte cytoplasm and germinal vesicle.
  • (2) Renal arteriography is therefore alone capable of answering two primordial questions: "Must surgery be undertaken and when operating, what surgical tactics to adopt".
  • (3) This primordial role explains the wide variety of tissues, ranging from the central and peripheral nervous system to the vascular system, that are affected by FGF during the late embryonic, neonatal, and adult phases of development.
  • (4) Indirect immunofluorescence studies with four monoclonal antibodies raised against carp spermatozoa revealed that monoclonal antibody WCS 29 stained the outer membranes of primordial germ cells in larvae from 3 days after fertilization.
  • (5) After the treatment in toto of the embryos from various species of Anura by cAMP, the number of primordial germ cells (PGC) in genital ridges is strongly reduced; the most part of the PGC are found in the endoderm.
  • (6) Mouse lymphocytes and STO fibroblasts were negative, whereas F9 teratocarcinoma cells, intestinal epithelial cells, and rat fetal primordial germ cells were all found to be highly positive for APase activity, in agreement with published results on APase localization in these cells.
  • (7) This sequence of events suggests that receptor formation may be induced by innervation of primordial cells within the epidermis.
  • (8) Laparoscopic directed ovarian biopsies show primordial follicles in one and a corpus luteum in the other.
  • (9) Plastic responses in leaf form resulting from ontogenetic or external influences are initiated very early in primordial development and are brought about by effects on the rate and direction of cell division and expansion in different regions of the primordium.
  • (10) The primordial ratio was supposed to shift to the modern one guided by the action of primitive nucleotides.
  • (11) Evidence suggests that cAMP production is not a primordial step in the response to androgen since dibutyryl cAMP did not mimick the androgenic effect, theophylline did not potentiate the response and alpha,beta-methylene ATP, which competitively inhibits adenyl cyclase, failed to alter the androgenic effect.
  • (12) In the ooplasm the transosome takes part in the development of primordial yolk granules.
  • (13) Moreau de Tours's classical studies about haschisch had pointed out to a rich symptomatology: visual and auditive hallucinations preceded by the "primordial effect": "the dissociation of ideas".
  • (14) The resulting space is not homologous with the primordial amniotic cavity; instead, it is a transitory tropho-epiblastic cavity.
  • (15) In embryos with 6.5-6.7 mm NRL, a part of the primordial proper esophagus extended to the dorsal side of the primordial stomach.
  • (16) Besides this areas of the primordial germinogen cell generation are found among the cells lining the system of labyrinths and channels of the yolk sac tumour.
  • (17) It is concluded that exposure of B6 mice to a single dose of MC results in atresia of oocytes in primordial and small primary follicles.
  • (18) Primordial germ cells (PGCs), which formed in 78% of cases when the presumptive ventral half to the embryo was cultured, occurred in only 48% of cases when the two ventral vegetal blastomeres were cultured alone.
  • (19) Sympathetic neurotransmitters have been shown to be present in the ovary of the rat during early postnatal development and to affect steroidogenesis before the ovary becomes responsive to gonadotropins, and before the first primordial follicles are formed.
  • (20) Gonadal biopsy was done on the patients, which disclosed no evidence of primordial follicles in one and severe reduction in the other.