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  • Book
    [edited by] David Goldenberg.
    Summary: "Head & Neck Endocrine Surgery: A Comprehensive Textbook, Surgical, and Video Atlas by renowned head and neck surgical oncologist David Goldenberg, with chapters by esteemed contributors from various fields, is the most comprehensive textbook written on this topic to date. It covers all aspects of medical and surgical management of thyroid and parathyroid diseases. In addition to classic and cutting-edge surgical procedures, the text discusses novel topics such as molecular testing, radiofrequency ablation of thyroid nodules, risk stratification, pathology, and remote access surgical techniques. The book is organized into seven sections and 62 succinct chapters featuring a unique layout conducive to modern learning. Five sections on the thyroid gland start with historical perspectives and basic science, concluding with postoperative management and therapies including ethical and medicolegal concerns. The last two sections focus on historical perspectives, basic science, and surgical management of parathyroid diseases"-- Provided by publisher.
    Digital Access
    Provider
    Version
    Thieme MedOne Otolaryngology
    2021
    Thieme-Connect
    2021
  • Article
    Lee NH, Shapiro IM.
    J Membr Biol. 1978 Jul 18;41(4):349-60.
    In a study of the Ca2+ kinetics of mitochondria of chick epiphyseal chondrocytes, the rate of Ca2+ uptake was linear up to a medium Ca2+ concentration of 30 mum. The half maximal transport rate occurred at 34 mum Ca2+. The Ca2+ uptake rate, expressed as a function of time, was 35 nmoles/mg protein/min; the presence of Mg2+ had little effect on Ca2+ accumulation. While these kinetic parameters did not differ significantly from mitochondria of cells of nonmineralizing tissues, the respiratory characteristics of the chondrocyte organelles exhibited functional differences. Thus, up to 350 nmoles Ca2+/mg protein, chondrocyte mitochondria performed coupled oxidative phosphorylation. Calcium uptake was energy supported, while Ca2+ binding was low. Addition of respiratory inhibitors and uncouplers to these mitochondria resulted in a rapid loss of more than 80% of the total Ca2+. The Ca/Pi ratio of the extrudate was very similar to the ratio of the ions in cartilage septum fluid. In the most mineralized zones of the epiphyseal plate, there was little change in the state 4 respiratory rate, but nonspecific Ca2+ binding was elevated and a high percentage of the total Ca2+ was in a nonextrudable form. The results indicate that in cells preparing for mineralization, much of the total mitochondrial Ca2+ is in a form that can be transported to the calcification front. In cells close to the calcification front, nonextrudable Ca2+ may form calcium phosphate granules described by other investigators.
    Digital Access Access Options