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  • Book
    Bruce M. Carlson ; contributor, Piranit Nik Kantaputra.
    Summary: "Completely revised from cover to cover, Human Embryology and Developmental Biology, 6th Edition, helps you master complex concepts on every aspect of normal and abnormal human development. Dr. Bruce M. Carlson provides authoritative, readable coverage of today's scientific knowledge in this fast-changing field, keeping you up to date with what you need to know for coursework, exams, and clinical practice"--Publisher's description.

    Contents:
    Developmental tables
    Part 1: Early developmental and the fetal-maternal relationship. Getting ready for pregnancy
    Transport of gametes and fertilization
    Molecular basis for embryonic development
    Cleavage and implantation
    Formation of germ layers and early derivatives
    Establishment of the basic embryonic body plan
    Placenta and extraembryonic membranes
    Developmental disorders: causes, mechanisms, and patterns
    Part 2: Development of the body systems. Integumentary, skeletal, and muscular systems
    Limb development
    Nervous system
    Neural crest
    Sense organs
    Head and neck
    Digestive and respiratory systems and body cavities
    Urogenital system
    Cardiovascular system
    Fetal period and birth
    Answers to clinical vignettes and review questions.
    Digital Access ClinicalKey 2019
  • Article
    Langman L, Paetkau V.
    J Virol. 1978 Feb;25(2):562-9.
    During the infection of Escherichia coli by bacteriophage T7, there is a gradual conversion of host DNA to T7 DNA. Recombination and replication occur during this time. We have devised a new way of examining the physical structures of the intermediates of these processes. It is based on the observation that there are no sites in T7 DNA susceptible to cleavage by the restriction endonuclease EcoRI. E. coli DNA, on the other hand, is susceptible to degradation by EcoRI. Thus, phage and host DNA can be separated by sucrose gradient centrifugation after treatment with EcoRI. Concatemeric T7 DNA contains a high proportion of branched, gapped, and whiskered structures. These appear to be intermediates of replication and recombination. This approach also monitors the conversion process from host to T7 DNA.
    Digital Access Access Options