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The embryo map is a sequence of 3-D images, or slices of 3-D images, of the developing embryo which, if viewed rapidly in temporal order, forms a time-lapse view of the growing embryo. The embryogenic tree is a diagram which shows the temporal development of each of the cell lines in the embryo.
Nursing theory is defined as "a creative and conscientious structuring of ideas that project a tentative, purposeful, and systematic view of phenomena". [1] Through systematic inquiry, whether in nursing research or practice, nurses are able to develop knowledge relevant to improving the care of patients.
Behavioral system model, nursing theorist Dorothy E. Johnson (August 21, 1919 – February 4, 1999) [ 1 ] was an American nurse, researcher, author, and theorist. She is known for creating the behavioral system model and for being one of the founders of modern system-based nursing theory .
The embryo successively adds the organs that characterize the animal classes in the ascending scale. When the human embryo, for instance, is but a simple vesicle, it is an infusorian; when it has gained a liver, it is a mussel; with the appearance of the osseous system, it enters the class of fishes; and so forth, until it becomes a mammal and ...
The theory of recapitulation, also called the biogenetic law or embryological parallelism—often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny"—is a historical hypothesis that the development of the embryo of an animal, from fertilization to gestation or hatching (), goes through stages resembling or representing successive adult stages in the evolution of the ...
The fetal origins hypothesis (differentiated from the Developmental Origins of Health and Disease hypothesis, which emphasizes environmental conditions both before and immediately after birth) proposes that the period of gestation has significant impacts on the developmental health and wellbeing outcomes for an individual ranging from infancy to adulthood.
Martha Elizabeth Rogers (May 12, 1914 – March 13, 1994) was an American nurse, researcher, theorist, and author.While professor of nursing at New York University, Rogers developed the "Science of Unitary Human Beings", a body of ideas that she described in her book An Introduction to the Theoretical Basis of Nursing.
In the next years, she was an academic in four schools of nursing in Chicago: Cook County School of Nursing (1963–1967), Loyola University (1967–1973), Rush University (1974–1977) and the University of Illinois (1962–1963, 1977–1987). In 1987, she was made Professor Emerita of medical and surgical nursing at the University of Illinois ...