نتایج جستجو برای: outer root sheath

تعداد نتایج: 215923  

Journal: :The Journal of Cell Biology 1973
Frank A. Rawlins

A time-sequence study of the incorporation and distribution of cholesterol in peripheral nerve myelin was carried out by electron microscope autoradiography. [1,2-(3)H]Cholesterol was injected into 10-day old mice and the sciatic nerves were dissected out at 10, 20, 40, 60, 90, 120, and 180 min after the injection. 20 min after injection the higher densities of grains due to the presence of [(3...

2006
Kiyokazu Morioka Toshiyuki Matsuzaki Kuniaki Takata

The combined effects of myosin II and actin enable muscle and nonmuscle cells to generate forces required for muscle contraction, cell division, cell migration, cellular morphological changes, the maintenance of cellular tension and polarity, and so on. However, except for the case of muscle contraction, the details are poorly understood. We focus on nonmuscle myosin and actin in the formation ...

2006
Naoki Fujiwara Makoto J. Tabata Tokio Nawa

Tooth root formation is initiated by the elongation of Hertwig’s epithelial root sheath (HERS). HERS cells are widely accepted to control root formation, but the mechanisms regulating HERS growth have not been elucidated. To solve this problem, we have established a new culture method for postnatal mouse mandibular molars and, using it, examined the role of insulin-like growth factor-I (IGF-I) ...

Journal: :anatomical sciences journal 0
mohsen noorozian department of biology and anatomical sciences, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) mohammad bayat department of biology and anatomical sciences, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) reza mastery farahani department of biology and anatomical sciences, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) mohammad-amin abdollahifar department of biology and anatomical sciences, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) hadi azimi department of english language teaching, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) ali noori-zadeh department of medical sciences, shahrood branch, islamic azad university, shahrood, iran.سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch)

during the past few years, researchers and practitioners have developed novel techniques, using ansa cervicalis to innervate muscles of the larynx paralyzed due to surgical procedures carried out in the chest and neck areas. during routine dissection of a middle-age male cadaver, an unusual course of the superior root of the ansa cervicalis was observed. in this case, the superior root of the a...

Journal: :The Journal of Cell Biology 1966
Alex B. Novikoff Nelson Quintana Humberto Villaverde Regina Forschirm

IN DORSAL ROOT GANGLIA AND PERIPHERAL NERVE OF THE RAT AND OTHER SPECIES, NUCLEOSIDE PHOSPHATASE AND UNSPECIFIC CHOLINESTERASE REACTION PRODUCTS ARE FOUND IN THE PLASMA MEMBRANES AND SPACES BETWEEN THEM AT TWO SITES: (1) Schwann cell-axon interfaces and mesaxons of unmyelinated fibers, and (2) sheath cell-perikaryon interfaces and interfaces between adjacent sheath cells. Acetylcholinesterase r...

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