Modification of the phenotypic expression of murine dystrophy: A morphological study

1986 ◽  
Vol 214 (1) ◽  
pp. 17-24 ◽  
Author(s):  
Dianna L. Bourke ◽  
Marcia Ontell
Keyword(s):  
Morphological Study ◽  
Phenotypic Expression ◽  
Murine Dystrophy

MORPHOLOGICAL STUDY OF THE MECHANISM CAUSING BRACHYTIC STEM IN SOYBEANS

1978 ◽  
Vol 58 (4) ◽  
pp. 993-998 ◽  
Author(s):  
D. B. WALKER ◽  
H. R. BOERMA
Keyword(s):  
Glycine Max ◽  
Shoot Apex ◽  
Morphological Study ◽  
Lateral Displacement ◽  
Phenotypic Expression ◽  
Morphological Parameters ◽  
Main Shoot ◽  
First Results ◽  
Glycine Max L ◽  
Minimal Evidence

A comparative morphological study of stem arrangement in soybean, Glycine max (L.) Merr., was performed to determine the mechanisms responsible for the usual stem morphology in PI 227224, a line characterized by geniculate (zigzag) stem and shortened internodes. Stem morphology was compared in three lines (1) PI 227224; (2) Davis, a normal-stemmed cultivar; and (3) Ga 76-1T, an F3 brachytic line from a cross between PI 227224 and Davis. Two independent morphological parameters were found to cause the conspicuous geniculation of the stem. Precocious expansion of the axillary buds first results in lateral displacement of the main shoot apex. Secondly, development of shortened internodes is necessary for pronounced phenotypic expression of the geniculation because more elongated internodes undergo significant geotropic straightening which reorients the tilted shoot apex to result in a plant with minimal evidence of a zigzag stem.

Techniques for preparing the Lolium perenne coleorhiza for scanning electron microscope evaluation

1992 ◽  
Vol 50 (1) ◽  
pp. 766-767
Author(s):  
Susan B.G. Debaene ◽  
John S. Gardner ◽  
Phil S. Allen
Keyword(s):  
Electron Microscope ◽  
Scanning Electron Microscope ◽  
Lolium Perenne ◽  
Morphological Study ◽  
Root Hairs ◽  
Inner Pressure ◽  
Water Potentials ◽  
Radicle Emergence ◽  
Standard Fixation ◽  
Scanning Electron

The coleorhiza is a nonvascular sheath that encloses the embryonic radicle in Poaceae, and is generally the first tissue to emerge during germination. Delicate hairlike extensions develop from some coleorhiza cells prior to radicle emergence. Similar to root hairs, coleorhiza hairs are extremely sensitive to desiccation and are damaged by exposure to negative water potentials. The coleorhiza of Lolium perenne is somewhat spherical when first visible, after which a knob forms at a right angle to the caryopsis due to inner pressure from the elongating radicle. This knob increases in length until the radicle finally punctures the coleorhiza. Standard fixation procedures cause severe desiccation of coleorhiza cells and hairs, making morphological study of the coleorhiza difficult. This study was conducted to determine a more successful process for coleorhiza preservation.

A morphological study on spermatogenesis in the liver fluke, Clonorchis sinensis

1976 ◽  
Vol 14 (2) ◽  
pp. 123 ◽  
Author(s):  
Kye Heon Jeong ◽  
Han Jong Rim ◽  
He Young Yang ◽  
Woo Kap Kim ◽  
Chang Whan Kim
Keyword(s):  
Morphological Study ◽  
Liver Fluke ◽  
Clonorchis Sinensis

A Morphological Study of Enamel-Dentin Border on the Japanese Dentition

1967 ◽  
Vol 75 (5) ◽  
pp. 207-223 ◽  
Author(s):  
Takuro SAKAI ◽  
Izumi SASAKI ◽  
Hajime HANAMURA
Keyword(s):  
Morphological Study

A Morphological Study of Sacral Hiatus with its Clinical Implications

2011 ◽  
Vol 4 (2) ◽  
pp. 34-37
Author(s):  
Dr. Qudusia sultana ◽  
◽  
Dr. M.H Shariff Dr. M.H Shariff ◽  
Dr. Meera Jacob ◽  
Dr.Chitra P Rao ◽  
...  
Keyword(s):  
Morphological Study ◽  
Clinical Implications ◽  
Sacral Hiatus
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