scholarly journals An Electron Microscope Study of Smooth Muscle in Pregnant Uterus of the Rabbit

1958 ◽  
Vol 4 (5) ◽  
pp. 609-614 ◽  
Author(s):  
C. F. Shoenberg
Keyword(s):  
Smooth Muscle ◽  
Electron Microscope ◽  
Sarcoplasmic Reticulum ◽  
Connective Tissue ◽  
Microscope Study ◽  
Electron Microscope Study ◽  
Muscle Cells ◽  
Pregnant Uterus

In the smooth muscle of the rabbit uterus one type of myofilament can be found; this is about 50 A thick. In the sarcoplasmic reticulum there are smooth walled vesicles and many vesicles with particles attached. It is suggested that these particles may correspond to the ribonucleoprotein-containing particles of Palade and Siekevitz. The diameter of the particles is 250 A. There are also unattached particles some of which may be glycogen. The membranes of the muscle cells and the connective tissue lying between them are described.

scholarly journals AN ELECTRON MICROSCOPE STUDY OF THE EMBRYOLOGY OF THE INTERCALATED DISC IN THE HEART OF THE RABBIT

1957 ◽  
Vol 3 (2) ◽  
pp. 193-202 ◽  
Author(s):  
Alan R. Muir
Keyword(s):  
Electron Microscopy ◽  
Electron Microscope ◽  
Cardiac Muscle ◽  
Microscope Study ◽  
Light Microscope ◽  
Electron Microscope Study ◽  
Muscle Cells ◽  
Intercalated Disc ◽  
Adult Cell ◽  
Embryonic Muscle

Prenatal and postnatal cardiac muscle from rabbits has been studied by electron microscopy, after osmium fixation and methacrylate embedding. The observations showed that 1. Cell membranes divide the muscle into cellular units from the youngest embryo which was studied (9½ days after coitus) until the adult state. 2. The embryonic muscle cells contain only one nucleus, whereas the adult cell may be multinucleated. 3. At all stages of development, wherever a myofibrillar axis crosses a cellular boundary, the myofilaments are interrupted by an intercalated disc. 4. With age, increase in size and complexity of the discs render them recognisable by the light microscope.

ELECTRON MICROSCOPE STUDY OF SARCOPLASMIC RETICULUM AND MYOFILAMENTS OF TENOTOMIZED RAT MUSCLE

1965 ◽  
Vol 44 (4) ◽  
pp. 176???192 ◽  
Author(s):  
SHEPPARD M. WALKER ◽  
G. RANDOLPH SCHRODT ◽  
XUAN T. TRUONG ◽  
ELIZABETH J. WALL
Keyword(s):  
Electron Microscope ◽  
Sarcoplasmic Reticulum ◽  
Microscope Study ◽  
Electron Microscope Study ◽  
Rat Muscle
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