The name Naldo is a Spanish baby name. In Spanish the meaning of the name Naldo is: Strong. The name Naldo is a Teutonic baby name. In Teutonic the meaning of the name Naldo is: Wise power. Numerology. People with this name have a deep inner need for quiet, and a desire to understand and analyze the world they live in, and to learn the deeper truths.
Contraction of smooth muscle in the walls of the bronchi and bronchioles, causing narrowing of the lumen. Compare: bronchoconstriction. /bronÂ·choÂ·spasm/ (brongÂ´ko-spazm) bronchial spasm; spasmodic contraction of the smooth muscle of the bronchi, as in asthma.pasm. 1. a sudden involuntary contraction of a muscle or group of muscles. 2. a sudden, transitory constriction of a passage, canal, or orifice; spasms usually occur when the nerves supplying muscles are irritated, and are often accompanied by pain.
During contraction of sphincter/circular muscles, the lumen associated with the sphincter constricts (closes). This constriction is caused from the shortening of the sphincter muscle. While relaxation of a sphincter muscle causes the lumen to open, which is caused by the lengthening of the associated sphincter muscle.phincters prove effective in the mediation of the entrance or release of liquids and solids; this is evident, for example, in the blowholes of numerous marine mammals. Many sphincters are used every day in the normal course of digestion and vision.