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Volume 56 - Issue 1 - February 1976

Contents

Page 2 of 2

Research Article

  • The distribution of collagen bundles and an epicardial coronary vasculature in the plaice (Pleuronectes platessa L.) heart ventricle at different ages

  • Robert M. Santer
  • Published online by Cambridge University Press:
    11 May 2009, pp. 241-248

  • The ventricle of the heart of the plaice (Pleuronectes platessa L.) was examined in histological sections stained with Aniline blue. The ventricles from hearts from two age groups (from 3–5 years and 9–16 years as judged from otolith examination) of plaice were studied in histological section. In younger fish (3–5 years) epicardial collagen bundles form a thin (< 24–0 μm) layer and only the superficial trabeculae are partially invested with collagen bundles, those deeper trabeculae not having collagen bundles associated with them. In older fish epicardial connective tissue had increased greatly (> 120.0 μm) in thickness and endocardial collagen is much more abundant, and was observed throughout all ventricular trabeculae. Secondly, in the hearts of older fish only, an extensive epicardial vascular system was observed, as revealed by arterial and venous profiles. This vascular system was confined to the epicardium and did not penetrate the myocardium to form a vascular bed, nor was it derived from extracardiac vessels.

Abstracts of Memoirs

  • Recording work done in the Plymouth Laboratory

  • Published online by Cambridge University Press:
    11 May 2009, p. 259
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Book Notice

Books Received

Front matter

  • MBI volume 56 issue 1 Cover and Front matter

  • Published online by Cambridge University Press:
    11 May 2009, pp. f1-f4
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Back matter

  • MBI volume 56 issue 1 Cover and Back matter

  • Published online by Cambridge University Press:
    11 May 2009, pp. b1-b3
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Page 2 of 2