Previous studies have shown that the size of the population of bronchopulmonary endocrine (Feyrter) cells appears to be greatest in fetal and neonatal life. This has led to the logical assumption that these cells are important during this period and undergo a subsequent decline in number thereafter. In this study endocrine cells containing calcitonin or a closely related cross reacting peptide ...

Recent interest in the initial phases of ovarian follicular formation and development has lead to a number of publications in this area, most of which address the autocrine and paracrine factors involved in primordial follicle activation to primary follicle. Primordial follicle assembly (first step in follicle formation) determines the lifetime supply of primordial follicles and remains a poorl...

T H E aim of histoand cytochemical studies is to identify and eventually to quantitate substances on a microscopic level. This necessitates isolating extremely small areas for analysis, preferably in the intact biological tissue. Physical methods have proven to be of value in this respect, in particular the radiant energy micro-absorption techniques (Fitzgerald & Engstrom, 1952). The field of h...

It's not surprisingly when entering this site to get the book. One of the popular books now is the histochemistry and cell biology of autonomic neurons sif cells and paraneurons . You may be confused because you can't find the book in the book store around your city. Commonly, the popular book will be sold quickly. And when you have found the store to buy the book, it will be so hurt when you r...

Murine leprosy is analogous to hum an lepromatous leprosy by similarities in host cell reaotions and some characteristics of causative agents. As in the lcsions of lepromatous lcprosy so also in the lesions of murine leprosy there arc innumerable undigested bacilli and large amounts of lipids in maerophages. The present studies were initiated as a part of a series of analysis of the chemical co...

T H E aim of histoand cytochemical studies is to identify and eventually to quantitate substances on a microscopic level. This necessitates isolating extremely small areas for analysis, preferably in the intact biological tissue. Physical methods have proven to be of value in this respect, in particular the radiant energy micro-absorption techniques (Fitzgerald & Engstrom, 1952). The field of h...

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