CORRELATION BETWEEN FIBER LENGTH, ULTRASTRUCTURE, AND THE LENGTH-TENSION RELATIONSHIP OF MAMMALIAN SMOOTH MUSCLE
نویسندگان
چکیده
منابع مشابه
Correlation between Fiber Length, Ultrastructure, and the Length-tension Relationship of Mammalian Smooth Muscle
The length-tension relationship was determined for strips of guinea pig taenia coli and correlated with the length and ultrastructural organization of the component fibers. The mean fiber length in "stretched" strips (passive >/= active tension) was 30% greater than that for fibers in "unstretched" strips (active >> passive tension). In stretched fibers the dense bodies and 100 A diameter myofi...
متن کاملInfluence of initial length on length-tension relationship of vascular smooth muscle.
relutionshi~ of vascular smooth muscle. Am. J Physiol. 2 2 5 (3) : 664-670. 1973.-Segments of dog carotid artery were excised, cannulated, and restored to in situ length. They were immersed in a KrebsRinger bath and inflated with 100% 02 under nonoscillating pressures. Diameter was continuously monitored with a linear displacement transducer. The vessel segments were relaxed, then treated with ...
متن کاملSelected contribution: effect of chronic passive length change on airway smooth muscle length-tension relationship.
The ability of rabbit trachealis to undergo plastic adaptation to chronic shortening or lengthening was assessed by setting the muscle preparations at three lengths for 24 h in relaxed state: a reference length in which applied force was approximately 1-2% of maximal active force (P(o)) and lengths considerably shorter and longer than the reference. Passive and active length-tension (L-T) curve...
متن کاملLength-tension relationship of smooth muscle of the hog carotid artery.
The length-tension relationships for arterial smooth muscle were determined using vascular strips teased from the media of hog carotid arteries. Histological examination revealed that the strips were (1) free of adventitia and (2) composed of smooth muscle cells oriented parallel to the long axis of the strips. Measurements from electron micrographs indicated that 60$ of the cross-sectional are...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 1972
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.52.1.105