(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.
Stage
Definition:
(n.) A floor or story of a house.
(n.) An elevated platform on which an orator may speak, a play be performed, an exhibition be presented, or the like.
(n.) A floor elevated for the convenience of mechanical work, or the like; a scaffold; a staging.
(n.) A platform, often floating, serving as a kind of wharf.
(n.) The floor for scenic performances; hence, the theater; the playhouse; hence, also, the profession of representing dramatic compositions; the drama, as acted or exhibited.
(n.) A place where anything is publicly exhibited; the scene of any noted action or carrer; the spot where any remarkable affair occurs.
(n.) The platform of a microscope, upon which an object is placed to be viewed. See Illust. of Microscope.
(n.) A place of rest on a regularly traveled road; a stage house; a station; a place appointed for a relay of horses.
(n.) A degree of advancement in a journey; one of several portions into which a road or course is marked off; the distance between two places of rest on a road; as, a stage of ten miles.
(n.) A degree of advancement in any pursuit, or of progress toward an end or result.
(n.) A large vehicle running from station to station for the accomodation of the public; a stagecoach; an omnibus.
(n.) One of several marked phases or periods in the development and growth of many animals and plants; as, the larval stage; pupa stage; zoea stage.
(v. t.) To exhibit upon a stage, or as upon a stage; to display publicly.
Example Sentences:
(1) CT appears to yield important diagnostic contribution to preoperative staging.
(2) Increased plasmin activity was associated with advancing stage of lactation and older cows after appropriate adjustments were made for the effects of milk yield and SCC.
(3) 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.
(4) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
(5) When TSLP was pretreated with TF5 in vitro, the most restorative effects on the decreased MLR were found in hyperplastic stage and the effects were becoming less with the advance of tumor developments.
(6) Microelectrodes were used to measure the oxygen tension (PO2) profile within individual spheroids at different stages of growth.
(7) Measurement of urinary GGT levels represents a means by which proximal tubular disease in equidae could be diagnosed in its developmental stages.
(8) The stages of mourning involve cognitive learning of the reality of the loss; behaviours associated with mourning, such as searching, embody unlearning by extinction; finally, physiological concomitants of grief may influence unlearning by direct effects on neurotransmitters or neurohormones, such as cortisol, ACTH, or norepinephrine.
(9) 53 outpatients with HIV-infection classified according to the Walter Reed staging system (WR1 to WR6).
(10) In the stage 24 chick embryo, a paced increase in heart rate reduces stroke volume, presumably by rate-dependent decrease in passive filling.
(11) Small pieces of anterior and posterior quail wing-bud mesoderm (HH stages 21-23) were placed in in vitro culture for up to 3 days.
(12) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
(13) Survival was independent of the type of clinical presentation and protocol employed but was correlated with the stage (P less than 0.0005), symptoms (P less than 0.025), bulky disease (P less than 0.025) and bone marrow involvement (P less than 0.025).
(14) Many thoracic motoneurons were able to survive up to posthatching stages following transplantation.
(15) An inverse relationship between the pumping capacity of the heart and vascular resistance was confirmed at different stages of examination and treatment of the patients.
(16) Cook, who has postbox-red hair and a painful-looking piercing in his lower lip, was now on stage in discussion with four fellow YouTubers, all in their early 20s.
(17) This experimental system allows separation of three B lymphocyte developmental stages: early differentiation in vitro, progression to IgM secretion in vivo, and late differentiation dependent upon mature T lymphocytes in vivo.
(18) Congenitally deficient plasmas were used as the substrate for the measurement of procoagulant activities in a one-stage clotting assay.
(19) It has announced a four-stage programme of reforms that will tackle most of these stubborn and longstanding problems, including Cinderella issues such as how energy companies treat their small business customers.
(20) Residual cancer was found in the radical prostatectomy specimen in 11 of the 29 stage-A1 patients (38%) and in 66 of the 86 stage-A2 patients (77%).