Biomaterial Database

[Hemodynamic coupling of capillary, arterial and venous pressures in skeletal muscle vessels]. 1986

D P Dvoretskiĭ, and Iu A Kudriashov, and A K Savel'ev

The dependence of capillary hydrostatic pressure (Pc) on changes of arterial (Pa) and venous (Pv) pressure was determined at different levels of the vascular tone in the m. gastrocnemius, the tone being either reduced with decentralization of the preparation or papaverine, or enhanced with noradrenaline. The Pc and Pv were closely related, the coefficients of the venous pressure transmission onto the capillary level being rather similar (93-97%) within a large range of Pv and vascular tone changes. The conjugation of Pc and Pa was disproportional as revealed in a decrease of the coefficient of arterial pressure transmission onto the capillary pressure, accompanying the Pa growth. This coefficient increased along with a reduction of the muscle arteries tone. The data obtained are regarded from the standpoint of participation of antero- and retrograde hemodynamic effects on capillary pressure and their role in forming the transcapillary fluid exchange in skeletal muscles.

UI	MeSH Term	Description	Entries
D008297	Male		Males
D009132	Muscles	Contractile tissue that produces movement in animals.	Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D010477	Perfusion	Treatment process involving the injection of fluid into an organ or tissue.	Perfusions
D001794	Blood Pressure	PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS.	Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D002196	Capillaries	The minute vessels that connect arterioles and venules.	Capillary Beds,Sinusoidal Beds,Sinusoids,Bed, Sinusoidal,Beds, Sinusoidal,Capillary,Capillary Bed,Sinusoid,Sinusoidal Bed
D002199	Capillary Permeability	The property of blood capillary ENDOTHELIUM that allows for the selective exchange of substances between the blood and surrounding tissues and through membranous barriers such as the BLOOD-AIR BARRIER; BLOOD-AQUEOUS BARRIER; BLOOD-BRAIN BARRIER; BLOOD-NERVE BARRIER; BLOOD-RETINAL BARRIER; and BLOOD-TESTIS BARRIER. Small lipid-soluble molecules such as carbon dioxide and oxygen move freely by diffusion. Water and water-soluble molecules cannot pass through the endothelial walls and are dependent on microscopic pores. These pores show narrow areas (TIGHT JUNCTIONS) which may limit large molecule movement.	Microvascular Permeability,Permeability, Capillary,Permeability, Microvascular,Vascular Permeability,Capillary Permeabilities,Microvascular Permeabilities,Permeabilities, Capillary,Permeabilities, Microvascular,Permeabilities, Vascular,Permeability, Vascular,Vascular Permeabilities
D002415	Cats	The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801)	Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D005260	Female		Females
D006439	Hemodynamics	The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM.	Hemodynamic
D006874	Hydrostatic Pressure	The pressure due to the weight of fluid.	Hydrostatic Pressures,Pressure, Hydrostatic,Pressures, Hydrostatic