porcine$62490$ - ορισμός. Τι είναι το porcine$62490$
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Τι (ποιος) είναι porcine$62490$ - ορισμός

SPECIES OF VIRUS
Parvovirus, porcine; Porcine parvovirus
  •  first1 =WL }}</ref> (B) Hemadsorption, secondary adult porcine thyroid cells, guinea pig erythrocytes, 22 hours after thyroid cells were infected and then subcultured (May-Grünwald-Giemsa; ×100).
  • Figure 2. Secondary cultures of fetal porcine kidney cells infected with PPV and examined by IF microscopy (×500). (A) 14 hours after infection, culture fixed and then reacted with fluorescent antibodies (FA). (B) 24 hours after infection, culture reacted with FA and then fixed; only extracellular antigen and antigen in cells with disrupted cytoplasmic and nuclear membranes are identified. (C) 48 hours after infection, culture fixed and then reacted with FA.
  • Figure 3. Cryostat-microtome sections of tissues from PPV-infected 8-week-old pigs, examined by IF microscopy (×312.5). (A) Viral antigen in germinal center, tonsil. (B) Viral antigen in osteogenic layer of periosteum, rib: a = connective tissue, b = cortical bone, c = marrow cavity.
  • Figure 4. Embryos from a gilt experimentally infected oronasally immediately after breeding and killed 22 days later. Bar = 1 cm. (Top) Noninfected, clinically normal embryo (arrow) and associated extraembryonic membranes; (bottom) PPV-infected, dead littermate embryo (arrow) and associated extraembryonic membranes, recent death, no obvious resorption of soft tissues.<ref name="Mengeling etc. 1980a" />
  • Figure 5. Segment of uterus opened to show necrotic remnants of a partially resorbed PPV-infected embryo (arrows) and associated extraembryonic membranes of a gilt experimentally infected oronasally immediately after breeding and killed 22 days later; remnants are laden with virus and viral antigen. Bar = 1&nbsp;cm.<ref name="Mengeling etc. 1980a" />
  • Figure 6. PPV-infected fetuses. Bars = 5 cm. (A) Litter of a gilt experimentally infected oronasally on day 47 of gestation and killed 34 days later; fetuses from left (L) and right (R) horn of uterus, numbered 1–4 from cervix toward ovary; fetuses L1 and L4 stunted but alive at necropsy, fetus L3 recently dead, others later stages. (B) Fetuses from litter of a naturally infected gilt, collected at about 114 days of gestation, advanced stage of dehydration (mummification).<ref name="Mengeling etc. 1975" />
  • Figure 7. Tissues of PPV-infected fetuses of gilts experimentally infected oronasally. (A) Necrotic focus in liver of live fetus of a gilt infected on day 40 of gestation and killed 42 days later; fetus had numerous macroscopic lesions (H&E; ×400). (B) Perivascular cuffing with mononuclear cells in cerebrum of live fetus, littermate of A; fetus had no macroscopic lesions (H&E; ×320). (Insert) Viral antigen associated with endothelium of cerebral vessel of fetus of a gilt infected on day 46 of gestation and killed 25 days later (IF microscopy; ×312.5). All fetuses were probably infected by intrauterine spread of PPV from transplacentally infected littermates. (Photographs A and B courtesy of T. T. Brown Jr., National Animal Disease Center.)
  • Figure 8. Cryostat-microtome sections of lungs of PPV-infected fetuses examined by IF microscopy. (A) Lung of mummified fetus reacted with FA plus nonimmune serum (×312.5). (B) Replicate section reacted with FA plus PPV-immune serum (i.e., blocking control) (×312.5). (C) Lung of live fetus with HI antibody titer of 640 reacted with fluorescent antibodies (FA) plus nonimmune serum, two infected cells (arrow) (× 162.5). (Insert) Two similar infected cells in the same section as C (×500).<ref name="Mengeling 1978b" />

Porcine circovirus associated disease         
DISEASE IN DOMESTIC PIGS
Postweaning multisystemic wasting syndrome; PMWS; Porcine Circoviral Disease; PCVAD; PCVD; Porcine postweaning multisystemic wasting syndrome; Porcine Circovirus Associated Disease; Porcine dermatitis nephropathy syndrome
Porcine circoviral disease (PCVD) and porcine circovirus associated disease (PCVAD), is a disease seen in domestic pigs. This disease causes illness in piglets, with clinical signs including progressive loss of body condition, visibly enlarged lymph nodes, difficulty in breathing, and sometimes diarrhea, pale skin, and jaundice.
Porcine zona pellucida         
SOURCE OF ANTIGENS FOR IMMUNOCONTRACEPTION
Porcine Zona Pellucida
Porcine zona pellucida (PZP) is the zona pellucida extracted from the ovaries of pigs which is used as a source of antigens for immunocontraception.http://pzpinfo.
Porcine circovirus         
  • Genome map of PCV-1 (identical with PCV-2)
  • ”Melting Pot” quadruplet formation
Porcine circovirus (PCV) is a group of four single-stranded DNA viruses that are non-enveloped with an unsegmented circular genome. They are members of the genus Circovirus that can infect pigs.

Βικιπαίδεια

Ungulate protoparvovirus 1

Porcine parvovirus (PPV), a virus in the species Ungulate protoparvovirus 1 of genus Protoparvovirus in the virus family Parvoviridae, causes reproductive failure of swine characterized by embryonic and fetal infection and death, usually in the absence of outward maternal clinical signs. The disease develops mainly when seronegative dams are exposed oronasally to the virus anytime during about the first half of gestation, and conceptuses are subsequently infected transplacentally before they become immunocompetent. There is no definitive evidence that infection of swine other than during gestation is of any clinical or economic significance. The virus is ubiquitous among swine throughout the world and is enzootic in most herds that have been tested. Diagnostic surveys have indicated that PPV is the major infectious cause of embryonic and fetal death. In addition to its direct causal role in reproductive failure, PPV can potentiate the effects of porcine circovirus type II (PCV2) infection in the clinical course of postweaning multisystemic wasting syndrome (PMWS). Approximately 38 peoples have died of the virus.