What's the difference between ova and ovaries?

Ova


Definition:

  • (n. pl.) See Ovum.
  • (pl. ) of Ovum

Example Sentences:

  • (1) Since 1987, it has become possible to obtain immature ova from the living animal and to let them mature, fertilize and develop into embryos capable of transplantation outside the body.
  • (2) We previously found that transfected TNP-specific B cells undergo both Ca2+ signaling and desensitization upon interaction with the thymus-dependent Ag TNP-OVA.
  • (3) These observations indicated that OVA-binding B cells in the peripheral blood are already committed to producing IgM antibody and probably are the precursors of antibody-forming cells of the IgG or IgE class.
  • (4) Synchronously transferred ova showed no such developmental precocity.
  • (5) Trinitrophenyl (TNP) [coupled to ovalbumin (OVA)] was used as an internal antigen in prenatally trinitrobenzenesulphonic acid (TNBS)-treated mice and as an external antigen in prenatally untreated mice.
  • (6) In another experiment, animals were sacrificed on estrus of the next cycle and the oviducts examined for the number of ova.
  • (7) Over 90% of the anti-OVA antibodies were of the IgGl isotype with both adjuvants; OVA in alum induced slightly more IgGl anti-OVA antibodies than cFA.
  • (8) When the hybridoma was stimulated with OVA-pulsed APC, EGTA extracts of the cells contained GIF having affinity for OVA.
  • (9) Both syngeneic and allogeneic thymic epithelium endowed nude mice with the capacity to mount IgG antibody and delayed-type hypersensitivity (DTH) responses to the T-dependent antigen ovalbumin (OVA).
  • (10) There was no statistical difference in the estradiol response up to the day of laparoscopic ova recovery for the two regimes.
  • (11) A small membranous sheet of the perivitelline layer (PL) isolated from freshly ovulated ova was incubated with cock spermatozoa, and morphological changes of PL and percentage of spermatozoa lacking acrosomes were observed during incubation.
  • (12) The biochemical and hormonal changes 48 hours after ovulation imply a role for the sympathetic transmitter NE in causing a contractile state of the ampulloisthmic region ("tube locking") for retention of ova prior to nidation in the uterine cavity.
  • (13) Silver staining (Howell and Black, 1980) was used in light and electron microscopic studies for detecting the localization of argentophilic nuclear proteins in fertilized ova and cleaving mouse embryos.
  • (14) In addition, a Boyle-van't Hoff plot was derived from exposing ova to hypotonic and hypertonic solutions ranging from 0.1 to 2.8 osmol.
  • (15) Micromanipulation of sperm and ova has been suggested as a means to produce progeny of two sires instead of a sire and dam.
  • (16) Melengestrol acetate-treated animals had significantly (P less than 0.5) fewer fertilized ova at 3 days after mating (50%) as compared with control animals (100%).
  • (17) The suppressing cells in the Ova ISC were shown to be irradiation sensitive, depleted by anti-theta antiserum and complement treatment, and did not absorb to glass bead columns.
  • (18) The target lesions included 1) pyoderma caused by Staphylococcus aureus, 2) cryptococcal infection, 3) dermal sporotrichosis, 4) colon ulcer caused by amebic dysentery, 5) cutaneous leishmaniasis, and 6) chronic liver abscess containing ova of Ascaris lumbricoides.
  • (19) The ova were cultured, in the presence of colchicine, for 26 h and metaphase preparations made of the first cleavage division.
  • (20) Ova are observed in vitro to rotate counterclockwise immediately following sperm attachment.

Ovaries


Definition:

  • (pl. ) of Ovary

Example Sentences:

  • (1) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
  • (2) This study was designed to investigate the localization and cyclic regulation of the mRNA for these two IGFBPs in the porcine ovary, RNA was extracted from whole ovaries morphologically classified as immature, preovulatory, and luteal.
  • (3) Stimulation of dopamine D2 receptors potentiates Ca2+ ionophore- or ATP-induced arachidonic acid (AA) release in D2 receptor cDNA-transfected Chinese hamster ovary (CHO) cells [CHO(D2)].
  • (4) Stable mutants which are between 1.6- and 2.2-fold resistant to the microtubule inhibitor, nocodazole (NocR mutants) have been isolated in Chinese hamster ovary cells after a single-step selection.
  • (5) Ovarian venous concentrations of these four steroids from the side draining the tumor-bearing ovary were increased in 40 to 80% of the women.
  • (6) Ovarian aromatase activity, assessed by incubating the homogenised ovaries of treated rats with tritium-labelled androstenedione (0.2 microM) or testosterone (1 microM), indicated that residual enzyme activity was reduced compared with controls.
  • (7) The normal tissues included the ovary, fallopian tube, uterine endometrium, uterine cervix, and vagina.
  • (8) To determine where in the cell cycle Chinese hamster ovary cells die following heating in G1, a mild hyperthermia treatment, i.e., 10 or 11.5 min at 45.5 degrees C, resulting in 40-50% cell kill was used.
  • (9) The clinical and pathological features of a patient with giant cell arteritis of the uterus and ovaries are described.
  • (10) The surface of the ovary has been found to be composed of two types of epithelial cells called A and B cells which are found in their own respective zones, the A and B zones.
  • (11) As early as postnatal Day 2, NPY-I nerves were observed in connective tissue septa of the developing ovary.
  • (12) This increase was consistent with the stimulation of the total renin concentration in the ovary.
  • (13) Only 7 of 241 hatchlings had gonads that had not differentiated fully into ovaries or testes.
  • (14) We now report on the Singapore Chinese experience, in which the following changes were notable: decreases in rates of cancers of the stomach and oesophagus and increases in rates of cancers of the lung, colon, rectum, skin (excluding melanoma), breast and ovary.
  • (15) This study demonstrated that the ovaries did not influence uterine growth until after 60 d of age and that unilateral ovariohysterectomy could be performed as early as 60 d of age without altering consequent normal uterine growth.
  • (16) In ovaries, GtH stimulates production of 17 alpha-hydroxyprogesterone in the thecal cells.
  • (17) We have used a rapid in vivo recombinational method to clone and completely sequence 34 UV-induced mutants at the adenine phosphoribosyltransferase (APRT) locus of Chinese hamster ovary cells.
  • (18) None of the rete-depleted ovaries exhibited normal follicular differentiation regardless of the presence or absence of the surface epithelium, whereas follicles developed normally in all the implants containing the rete system.
  • (19) Interpretation of the results shows that the ovary of the European eel contains the following enzymes: a 3 beta-hydroxysteroid dehydrogenase, 5----4-ene-isomerase complex, a 17 alpha-hydroxylase, a C21-C19 desmolase, a 17 beta-hydroxysteroid oxidoreductase, a 5 alpha-reductase, a 3 beta-hydroxysteroid oxidoreductase and an aromatase complex.
  • (20) The data are expressed as percent inhibition of ovulation in the treated vs. the untreated ovaries.

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