Now showing items 738-757 of 1026

    • Parasitic Twins 

      DeRuiter, Corinne (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-25)
      Parasitic twins, a specific type of conjoined twins, occurs when one twin ceases development during gestation and becomes vestigial to the fully formed dominant twin, called the autositic twin. The underdeveloped twin is ...
    • Paretta v. Medical Offices for Human Reproduction [Brief] (2003) 

      Heathcotte, Brock (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      The court decided a child of in vitro fertilization born with cystic fibrosis does not have the right to sue for wrongful life even in the presence of demonstrable acts of medical negligence because to allow such a case ...
    • Park v. Chessin (1977) 

      Zhang, Mark (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-25)
      The New York Appellate Court ruled on 11 December 1977 in favor of Steven and Hetty Park and against Herbert Chessin for the wrongful life of the Parks' child. In a wrongful life case, a disabled or sometimes deceased child ...
    • The Pasteur Institute (1887- ) 

      Racine, Valerie (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-08-19)
      L'Institut Pasteur (The Pasteur Institute) is a non-profit private research institution founded by Louis Pasteur on 4 June 1887 in Paris, France. The Institute's research focuses on the study of infectious diseases, ...
    • Paternal Sperm Telomere Elongation and Its Impact on Offspring Fitness 

      Bartlett, Zane; Yang, Joanna
      Telomeres are structures at the ends of DNA strands that get longer in the DNA of sperm cells as males age. That phenomenon is different for most other types of cells, for which telomeres get shorter as organisms age. In ...
    • Patrick Christopher Steptoe (1913-1988) 

      Danielson, Andrew (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2012-05-10)
      Patrick Christopher Steptoe was a British gynecologist responsible for major advances in gynecology and reproductive technology. Throughout his career Steptoe promoted laparoscopy, a minimally invasive surgical technique ...
    • Paul Eugen Bleuler (1857–1939) 

      Resnick, Jessica
      Paul Eugen Bleuler studied autism and schizophrenia, among other psychiatric disorders, throughout continental Europe in the early twentieth century. Bleuler worked as a psychiatrist caring for patients with psychiatric ...
    • Paul Kammerer (1880-1926) 

      Turriziani Colonna, Federica (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-12-02)
      Paul Kammerer conducted experiments on amphibians and marine animals at the Vivarium, a research institute in Vienna, Austria, in the early twentieth century. Kammerer bred organisms in captivity, and he induced them to ...
    • Paul Kammerer's Experiments on Salamanders (1903-1912) 

      Turriziani Colonna, Federica (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-12-30)
      In the early twentieth century, Paul Kammerer conducted a series of experiments to demonstrate that organisms could transmit characteristics acquired in their lifetimes to their offspring. In his 1809 publication, zoologist ...
    • Paul Kammerer's Experiments on Sea-squirts in the Early Twentieth Century 

      Turriziani Colonna, Federica (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2015-04-13)
      In the early twentieth century, Paul Kammerer, a zoologist working at the Vivarium in Vienna, Austria, experimented on sea-squirts (Ciona intestinalis). Kammerer claimed that results from his experiments demonstrated that ...
    • Paul Kammerer's Experiments on the Midwife Toad (1905-1910) 

      Turriziani Colonna, Federica (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-12-30)
      In the first decade of the twentieth century, Paul Kammerer, a zoologist working at the Vivarium in Vienna, Austria, conducted research on developmental mechanisms, including a series of breeding experiments on toads (Alytes ...
    • Pearl Mao Tang (1922– ) 

      Malladi, Lakshmeeramya
      A licensed obstetrician and gynecologist, Pearl Tang worked to improve the health of women and children in Maricopa County, Arizona, during the twentieth and twenty-first centuries. Her work with the Maricopa County Health ...
    • “Pelvic Scoring for Elective Induction” (1964), by Edward Bishop 

      Abboud, Carolina J.
      In the 1964 article, “Pelvic Scoring for Elective Induction,” obstetrician Edward Bishop describes his method to determine whether a doctor should induce labor, or artificially start the birthing process, in a pregnant ...
    • The People of the State of New York v. Margaret H. Sanger (1918) 

      Malladi, Lakshmeeramya
      In 1918, the New York State Court of Appeals in Albany broadened the justification physicians could use to prescribe contraceptives to married patients in the case The People of the State of New York v. Margaret H. Sanger ...
    • People's Padre: An Autobiography (1954), by Emmett McLoughlin 

      Nunez-Eddy, Claudia
      Emmett McLoughlin wrote People's Padre: An Autobiography, based on his experiences as a Roman Catholic priest advocating for the health of people in Arizona. The Beacon Press in Boston, Massachusetts, published the ...
    • Percivall Pott (1714-1788) 

      Abboud, Carolina
      Percivall Pott was a physician in England during the eighteenth century who identified soot as the cause of chimney sweeps' scrotal cancer, later called testicular cancer. In the 1770s, Pott observed that scrotal cancer ...
    • “Perimortem Cesarean Delivery” (1986), by Vern Katz, Deborah Dotters, and William Droegemueller 

      Grayson, Claire Elise
      In 1986, Vern L. Katz, Deborah J. Dotters, and William Droegemueller published “Perimortem Cesarean Delivery,” an article in which they developed the Four Minute Rule for perimortem cesarean sections. The Four Minute Rule ...
    • Petr Alekseevich Kropotkin (1842-1921) 

      LaTourelle, Jonathan (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2015-06-02)
      Petr Kropotkin proposed the theory of Pleistocene ice age, alternative theories of evolution based on embryology, and he advocated anarchist and communist social doctrines in Europe during the nineteenth and twentieth ...
    • Pfeffer Cell Apparatus 

      Parker, Sara
      The Pfeffer Zelle (Pfeffer Cell Apparatus), invented by Wilhelm Pfeffer in 1877, measured the minimum pressure needed to prevent a pure solvent from passing into a solution across a semi-permeable membrane, called osmotic ...
    • Photograph 51, by Rosalind Franklin (1952) 

      Hernandez, Victoria
      On 6 May 1952, at King’s College London in London, England, Rosalind Franklin photographed her fifty-first X-ray diffraction pattern of deoxyribosenucleic acid, or DNA. Photograph 51, or Photo 51, revealed information about ...