What's the difference between birth and postnatal?

Birth


Definition:

  • (n.) The act or fact of coming into life, or of being born; -- generally applied to human beings; as, the birth of a son.
  • (n.) Lineage; extraction; descent; sometimes, high birth; noble extraction.
  • (n.) The condition to which a person is born; natural state or position; inherited disposition or tendency.
  • (n.) The act of bringing forth; as, she had two children at a birth.
  • (n.) That which is born; that which is produced, whether animal or vegetable.
  • (n.) Origin; beginning; as, the birth of an empire.
  • (n.) See Berth.

Example Sentences:

  • (1) These results indicated that the PG determination was the most accurate predictor of fetal lung well-being prior to birth among the clinical tests so far reported.
  • (2) within 12 h of birth followed by similar injections every day for 10 consecutive days and then every second day for a further 8 weeks, with mycoplasma broth medium (tolerogen), to induce immune tolerance.
  • (3) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
  • (4) Low birth weight, short stature, and mental retardation were common features in the four known patients with r(8).
  • (5) Oculomotor paresis with cyclic spasms is a rare syndrome, usually noticeable at birth or developing during the first year of life.
  • (6) The final number of fibers--140,000-165,000--is reached by the sixth week after birth.
  • (7) However, there was no correlation between the length of time PN was administered to onset of cholestasis and the gestational age or birth weight of the infants.
  • (8) Most thyroid hormone actions, however, appear in the perinatal period, and infants with thyroid agenesis appear normal at birth and develop normally with prompt neonatal diagnosis and treatment.
  • (9) These data, then, indicate that the ability to produce C3NeF autoantibody is present from the time of birth in normal individuals.
  • (10) Foetal serum TSH concentration declined significantly between 20 and 21 days of gestation, reached a low level at delivery, and remained low for several days after birth.
  • (11) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
  • (12) As many girls as boys receive primary and secondary education, maternal mortality is lower and the birth rate is falling .
  • (13) The influence of blood and blood-product therapy was studied in two groups of children: 1) 90 children who had exchange transfusion after birth because of serologic incompatibility (aged 5 months to 5 years).
  • (14) Tables provide data for Denmark in reference to: 1) number of legal abortions and the abortion rates for 1940-1977; 2) distribution of abortions by season, 1972-1977; 3) abortion rates by maternal age, 1971-1977; 4) oral contraceptive and IUD sales for 1977-1978; and 5) number of births and estimated number of abortions and conceptions, 1960-1975.
  • (15) Women who make their first visit during their first pregnancy are more likely than those who are not pregnant to receive a pregnancy test or counseling on matters other than birth control.
  • (16) The sexual attitudes and beliefs of 20 children who have been present at the labor and delivery of sibs and have observed the birth process are compared with 20 children who have not been present at delivery.
  • (17) The last stems from trends such as declining birth rate, an increasingly mobile society, diminished importance of the nuclear family, and the diminishing attractiveness of professions involved with providing maintenance care.
  • (18) A multiple regression analysis between maxBIL and the significantly correlated parameters showed that only gestational age and birth weight remained significantly correlated with maxBIL.
  • (19) Ad-infected infants tended to have earlier gestations and lower birth weights.
  • (20) Galactosylsphingosine had already accumulated at birth and dramatically increased with age.

Postnatal


Definition:

  • (a.) After birth; subsequent to birth; as, postnatal infanticide; postnatal diseases.

Example Sentences:

  • (1) The effects of postnatal methyl mercury exposure on the ontogeny of renal and hepatic responsiveness to trophic stimuli were examined.
  • (2) With [125I-Tyr11]SRIF as a radiolabeled ligand, the specific ligand binding to crude membrane increased transiently in the early phase of postnatal development and then decreased.
  • (3) Results of the present study show that epithelial cells of ciliated columnar type covering vocal cords change remarkably to nonciliated squamous cells between prenatal and postnatal stages.
  • (4) This reactivity decreased first during late postnatal development.
  • (5) One patient died of pulmonary hypoplasia, but all the survivors showed restoration toward normal form postnatally.
  • (6) The study of three stages of postnatal development in the rat brain shows changes in the mucopolysaccharides content of the axons in function of the stage of development.
  • (7) These results suggest that the postnatal absence of PRL in mice does not result in a major reduction in the total population of TIDA neurons.
  • (8) The inter-connecting linkage system develops postnatally, and the 'tip-linkages' are already found in one-week-old mice, suggesting that the critical organization of the micromechanics of the stereocilia matures rapidly during the postnatal period.
  • (9) As early as postnatal Day 2, NPY-I nerves were observed in connective tissue septa of the developing ovary.
  • (10) We have studied the postnatal ontogeny of creatine kinase (CK) and the glycolytic enzymes phosphoglycerate kinase (PGK), phosphoglycerate mutase (PGM), enolase (En), and pyruvate kinase (PK) in rat brain and uterus.
  • (11) The postnatal development of substance P-like immunoreactivity (SP-LI) in the urinary bladder (assayed by radioimmunoassay and immunohistochemistry) was investigated in rats and compared with changes in the contractile response to acetylcholine, SP or capsaicin.
  • (12) G beta and 48-kDa protein mRNAs are already detectable at birth, opsin mRNA appears by postnatal day 5 (P5), G gamma mRNA at P6 and G alpha mRNA by P8.
  • (13) The inhibition of muscle cell proliferation which takes place in the early stages of the postnatal heart growth does not seem to be caused primarily by a disturbance of their S-phase.
  • (14) Between postnatal days 6 and 25, both endorphin and enkephalin levels increase, approaching their adult distribution pattern.
  • (15) These cells were observed throughout postnatal life from the second postnatal day to the oldest cats studied (up to 13 years old).
  • (16) Electron microscope examinations of the developing triadic junction in fibers from leg muscles of fetal and postnatal rats reveal a range of complexity from no structural connections across the space between apposed membranes of T and SR to all of the junctional structures visible in adult rat muscle fibers.
  • (17) Offspring of marmosets reached adult values of 14CO2 exhalation at 8 days postnatally when using [14CO2]-methacetin as substrate and at 30 days postnatally using [14C2H5]-phenacetin in the breath test.
  • (18) These observations suggest that refractive anomalies such as anisometropia that limit high frequency spatial resolution and binocular integration can present a major obstacle to the postnatal development of binocular vision.
  • (19) Newborn rats were rendered hyperthyroid (daily subcutaneous injections of L-triiodothyronine, 10 micrograms 100 g-1 body weight) or hypothyroid (0.05% 6-n-propyl-2-thiouracil in drinking water to nursing mothers) during the first 3 weeks of postnatal life.
  • (20) 5beta-Dihydrotestosterone was adminstered to mothers for 4 days from Day 12 to Day 15 of pregnancy (prenatal treatment) and to pups for 5 days of postnatal life (neonatal treatment) at daily doses of 1 mg and 200 mug, respectively.

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