Essays about: "embryo"

Showing result 21 - 25 of 92 essays containing the word embryo.

  1. 21. Characterization of infectious laryngotracheitis virus from outbreaks in Swedish chicken hobby flocks

    University essay from SLU/Dept. of Clinical Sciences

    Author : Liv Jonare; [2020]
    Keywords : backyard flocks; chickens; infectious laryngotracheitis; virus; vaccine; coinfections; latency; sequencing; complete genome sequencing; PCR; non-commercial poultry;

    Abstract : Infectious laryngotracheitis (ILT) is a respiratory tract infection of gallinaceous birds, which is caused by Gallid herpes virus 1 (GaHV-1), also called infectious laryngotracheitis virus (ILTV). In its most virulent form it can cause acute respiratory symptoms such as marked dyspnoea, gasping, expectoration of bloody mucus, high mortality (up to 70%) and production losses, such as decreased growth and egg production. READ MORE

  3. 22. Views on embryo donation for reproductive purposes among couples with experience of cryopreserved embryos : A literature review

    University essay from Uppsala universitet/Institutionen för folkhälso- och vårdvetenskap

    Author : Nadine Anttila Zoubaidi; [2020]
    Keywords : Reproductive health; involuntary childlessness; embryo donation; attitudes; Reproduktiv hälsa; ofrivillig barnlöshet; embryodonation; attityder;

    Abstract : Background: Involuntary childlessness and infertility affect a large group of people and WHO calls it a global public health issue. Donated gametes can be used when a pregnancy is not achieved. READ MORE

  4. 23. Preimplantation genetic diagnosis and therapy in humans- Opportunities and risks

    University essay from Örebro universitet/Institutionen för medicinska vetenskaper

    Author : Rickard Hedberg; [2020]
    Keywords : Preimplantation genetic diagnosis; CRISPR-Cas systems; gene editing; germline; genome; ethics; autonomy; beneficence; risks.;

    Abstract : IntroductionPreimplantation Genetic Diagnosis (PGD) was developed in the 1990s and has been used since to diagnose and discard embryos with genetic conditions or chromosomal abnormalities. CRISPR-Cas9 was discovered in 2012 and has been used in research, but has not become clinical practice on humans yet. READ MORE

  5. 24. Embryots signalering under tidig dräktighet : en jämförelse mellan idisslare, gris och häst

    University essay from SLU/Dept. of Anatomy, Physiology and Biochemistry

    Author : Sophia Mourath; [2019]
    Keywords : dräktighetssignal; blastocyst; konceptus; progesterone; östrogen; corpus luteum; idisslare; gris; häst;

    Abstract : Tidig embryonal död under dräktighet är vanligt förekommande hos våra domesticerade djur vilket får konsekvenser för reproduktionsresultatet. För att en dräktighet skall etableras och kunna fortskrida krävs det kommunikation mellan det tidiga embryot eller konceptus (den nya individen med dess fosterhinnor) och det maternella systemet. READ MORE

  6. 25. Effect of perfluorooctane sulfonic acid (PFOS) on bovine early development in vitro

    University essay from SLU/Dept. of Clinical Sciences

    Author : Jonna Swahn; [2019]
    Keywords : bovine; embryo development; IVF; IVE; PFOS; Perfluorooctane sulfonic acid; perfluorooctanesulfonate; toxicity;

    Abstract : Perfluoroktansulfonsyra (PFOS) är en kemikalie som har använts flitigt i produkter såsom matförpackningsmaterial, textilier, läder och brandskum. Trots att användningen av PFOS nu är förbjuden i många länder, EU inkluderat, finns det fortfarande kvar i miljön, djur och människor på grund av dess persistenta och bioackumulerande egenskaper. READ MORE