Cardiovascular System - Heart Histology

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Introduction

The heart is composed of cardiac muscle, specialised conductive tissue, valves, blood vessels and connective tissue.

Cardiovascular Links: Introduction | Heart Tutorial | Lecture - Early Vascular | Lecture - Heart | Movies | Coronary Circulation | Heart Valve | Heart Rate | Blood | Blood Vessel | Blood Vessel Histology | Cardiac Muscle Histology | Lymphatic | Spleen | Stage 22 | Abnormalities | OMIM | ECHO Meeting | Category:Cardiovascular
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Cardiac muscle histology.jpg

Cardiac muscle histology

Image of primate heart stained with Alizarin blue.
  • Red Blood Cells (orange cells) Cardiac Muscle Cells (blue)
  • Cardiac muscle cells are cut longitudinally.
  • At high magnification see both striations and the large nuclei of the cardiac muscle cells.
  • Follow the course of individual cardiac muscle cells and note fine, dark blue lines which seem to cross (traverse) the fibres.
  • These are the intercalated discs that connect the individual muscle cells and permit the conduction of electrical impulses between the cells.

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Heart histology 003.jpg Heart histology 001.jpg

References


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Cite this page: Hill, M.A. (2014) Embryology Cardiovascular System - Heart Histology. Retrieved July 28, 2014, from //php.med.unsw.edu.au/embryology/index.php?title=Cardiovascular_System_-_Heart_Histology

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Dr Mark Hill 2014, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G