What is chordae tendineae?
Click to see answer
Chordae tendineae is a valve that pulled downward by papillary muscle.
*Both left & right ventricles have
Click to see question
What is chordae tendineae?
Chordae tendineae is a valve that pulled downward by papillary muscle.
*Both left & right ventricles have
Where is the heart?
Within middle mediastinum
What is the function of lymphatic system?
Excess interstitial fluid (ISF: fluid surrounding tissue cells) is collected by lymphatic vessels.
The heart is deep to a region between ?? and ?? XXX
2nd and 5th intercostal space (ICS)
What is the potential problem of left appendage?
When atrial fibrillation, it may cause blood stasis( refers to a condition where blood circulation is impaired, leading to a stagnation血液停滯 or pooling血液淤積 of blood in certain areas of the body) and blood clot
Which 2 main branches return excess fluid to blood circulation?
Right lymphatic branches (短R)
Thoracic duct (長L)
Right border of the heart, runs along a line from ?? to ?? XXX
From 3rd to 6th costal cartilage
What is the pathway of blood from the abdominal organs to the inferior vena cava?
Abdominal organs>Hepatic portal vein>Liver>Hepatic vein>Inferior vena cava
What are the two types of atrioventricular valves in the heart ?
Bicuspid (mitral) valve & tricuspid valve
State the types of autonomic nervous system
Sympathetic nerves & Parasympathetic nerves
Into which veins do the thoracic duct and right lymphatic duct drain to back to the heart?
The thoracic duct drains into the left subclavian vein, while the right lymphatic duct drains into the right subclavian vein, then enter the heart directed by superior vena cava.
Where is the mediastinum?
central compartment in the thoracic pleural sacs of the lungs
Where is the left border of the heart, runs along a line from ?? to ?? XX
from 2nd to 5th intercostal space (ICS)
What are the two types of semilunar valves in the heart ?
aortic valve & pulmonary valve
When atrium contracts, which valve closed and opened?
Bicuspid valve opened-Pulmonary valve closed
Tricuspid valve opened-Aortic valve closed
When ventricle contracts, which valve closed and opened?
Pulmonary valve open-Bicuspid valve closed
Aortic valve opened-Tricuspid valve closed
What is the sequence of pericardium? (from outer to inner)
Fibrous pericardium>Parietal pericardium>Pericardial cavity>Visceral pericardium>Myocardium>Endocardium
Celiac trunk supplies... (7)
Esophagus
Liver
Gallbladder
Stomach
Spleen
Pancreas
Duodenum
Hepatic portal vein receives venous blood from ...
All abdominal organs
Artery of coronary circulation
Aorta>Right coronary artery>Marginal artery+Posterior interventricular artery
Aorta>Left coronary artery>Circumflex(LCX)+Left anterior descending artery (LAD)
Vein of coronary circulation
Small cardiac vein(R)+Middle cardiac vein+Great cardiac vein>Coronary sinus>Right atrium
State the types of cardiac cell
Contractile cell: cardiac muscle cells (able to contract)
Non-contractile: pacemaker cells
What is the origin & purpose of sympathetic & parasympathetic nerves?
Sympathetic nerve
Origin: sympathetic trunk
Purpose: ↑heart rate & contractility
Parasympathetic nerve
Origin: Vagus nerve (from brainstem)
Purpose: ↓heart rate & contractility
What is primary lymphatic organ? And where is it?
Lymphocytes maturation.
Thymus, bone marrow
What is primary lymphatic organ? And where is it?
Lymphocytes maturation.
Thymus, bone marrow
What is secondary lymphatic organs? And where is it?
Lymphocyte activation.
Tonsil, Lymph nodes, Spleen
Lymphatic vessels has lymph=??+??
ISF+lymphocytes
What is the unique type of lymph in small intestine?
Lacteal
What region of lymph does right lymphatic duct receives?
Right sides of head & thorax
Right shoulder
Right arm
*Thoracic duct就係收集其他
