| D009129 |
Muscle Tonus |
The state of activity or tension of a muscle beyond that related to its physical properties, that is, its active resistance to stretch. In skeletal muscle, tonus is dependent upon efferent innervation. (Stedman, 25th ed) |
Muscle Tension,Muscle Tightness,Muscular Tension,Tension, Muscle,Tension, Muscular,Tightness, Muscle,Tonus, Muscle |
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| D009131 |
Muscle, Smooth, Vascular |
The nonstriated involuntary muscle tissue of blood vessels. |
Vascular Smooth Muscle,Muscle, Vascular Smooth,Muscles, Vascular Smooth,Smooth Muscle, Vascular,Smooth Muscles, Vascular,Vascular Smooth Muscles |
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| D011685 |
Purine Nucleotides |
Purines attached to a RIBOSE and a phosphate that can polymerize to form DNA and RNA. |
Nucleotides, Purine |
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| D011983 |
Receptors, Purinergic |
Cell surface proteins that bind PURINES with high affinity and trigger intracellular changes which influence the behavior of cells. The best characterized classes of purinergic receptors in mammals are the P1 receptors, which prefer ADENOSINE, and the P2 receptors, which prefer ATP or ADP. |
Methyladenine Receptors,Purine Receptors,Purinergic Receptor,Purinergic Receptors,Purinoceptors,Purine Receptor,Purinoceptor,Receptors, Methyladenine,Receptors, Purine,Receptor, Purine,Receptor, Purinergic |
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| D001808 |
Blood Vessels |
Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins). |
Blood Vessel,Vessel, Blood,Vessels, Blood |
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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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