[DOC] [TLE] Heart valve - Wikipedia [PAR] A heart valve normally allows blood to flow in only one direction through the heart
. The four ... The two semilunar (SL) valves, the aortic valve and the pulmonary 
valve, ... incorporate leaflets or cusps, which are pushed open to allow blood flow 
and ..... The most common form of valvular anomaly is a congenital heart defect... [DOC] [TLE] Blood Flow of the Heart - Antranik.org [PAR] May 17, 2012 ... The one on the right happens to have 3 cusps to it so it's called a ... When this 
ventricle does contract, it pushes blood up in the only direction it could ... In 
humans there are four pulmonary veins, two from each lung. ... and the mitral (
bicuspid) valve is going to allow blood to dump into .... Most Popular Posts... [DOC] [TLE] Heart Contraction and Blood Flow - NHLBI, NIH [PAR] Nov 17, 2011 ... The animation shows how blood flows through the heart as it contracts and 
relaxes. ... Your heart uses its four valves to ensure your blood flows in only one 
direction. ... The cusps allow pumped blood to pass through the chambers and 
into ... the lungs to your heart's left atrium through the pulmonary veins. [DOC] [TLE] Chapter 20 HEART and Chapter 21 BLOOD VESSELS AND ... [PAR] Myocardium- concentric layers of cardiac muscle and CT arranged in circular or 
spiral ... 2 right pulmonary veins - drains blood from the right lung lobes ... 
Endocarditis is an infection of the heart's valves or its inner lining (endocardium). 
...... ^The AV valve allows blood to flow in one direction - from the atrium to the 
ventricle. [DOC] [TLE] Chapter 23: The pericardium and heart [PAR] The pericardium and its fluid lubricate the moving surfaces of the heart. ... The 
pulmonary veins return blood to the left atrium. ... The planes of the 
atrioventricular orifices are more vertical than horizontal; hence the blood flows 
almost horizontally .... The pulmonary valve in situ has two cusps (right and left) 
anterior and one... [DOC] [TLE] Overview of the Venous System - Heart and Blood Vessel Disorders ... [PAR] Each valve consists of two flaps (cusps or leaflets) with edges that meet. ... The 
one-way valves in deep veins prevent blood from flowing backward, and the ... 
The deep veins carry 90% or more of the blood from the legs toward the heart. ... 
Valves in the connecting veins allow blood to flow from the superficial veins into 
the... [DOC] [TLE] Human Heart  Diagram and Anatomy of the Heart - InnerBody [PAR] It takes in deoxygenated blood through the veins and delivers it to the lungs for ... 
On its superior end, the base of the heart is attached to the aorta,. .... between the 
atria and ventricles and only allow blood to flow from the atria into the ventricles. 
... At any given time the chambers of the heart may found in one of two states:. [DOC] [TLE] cardio [PAR] Pericardium-- covering that surrounds the heart, made of 2 parts: 1. ... pulmonary 
veins bring blood from the lungs to the left atrium left atrium allows blood to flow 
to the left ventricle ... -prevent back flow of blood by permitting blood flow in one 
direction only ... 2. contractility--smooth muscle in the tunica media are arranged
... [DOC] [TLE] Venous disorders [PAR] 2) 424. The cusps are supported by the vein walls and their integrity as 
functioning ... The valve arrangement in the conduit veins ensures that blood only 
moves in this ... Most perforators are valved to allow only inward flow from 
superficial to deep ..... Flow in the direction that should be opposed by valves is 
abnormal and its... [DOC] [TLE] ECG Workout [PAR] Apr 28, 2011 ... the human heart will beat more than 3 billion times. The heart is capable ... four 
valves that control the flow of blood through the heart an electrical ... The heart 
wall is arranged in three layers (Figure 1-3): .... flow in one direction through the 
heart's chambers and prevent ... bicuspid valve) has only two cusps. [DOC] [TLE] Which part of the heart

Question: In a vein it's 2 or more cusps arranged to allow blood to flow in only one direction
Answer: a valve