The following is a list of the "G" codes for MeSH

Mesh

Mesh consists of semi-permeable barrier made of connected strands of metal, fiber, or other flexible/ductile material. Mesh is similar to web or net in that it has many attached or woven strands.-Types of mesh:...

. It is a product of the United States National Library of Medicine

United States National Library of Medicine

The United States National Library of Medicine , operated by the United States federal government, is the world's largest medical library. Located in Bethesda, Maryland, the NLM is a division of the National Institutes of Health...

.

Source for content is here. (File "2006 MeSH Trees".)

--- circulatory and respiratory physiology

--- blood physiologic phenomena

--- acid-base equilibrium --- bleeding time

Bleeding time

Bleeding time is a medical test done on someone to assess their platelet functionThe term "template bleeding time" is used when the test is performed to standardized parameters. This makes it easier to compare data collected at different facilities....

 --- blood bactericidal activity --- blood cell count --- erythrocyte count --- reticulocyte count --- leukocyte count --- lymphocyte count --- cd4 lymphocyte count --- cd4-cd8 ratio --- platelet count --- blood viscosity

Blood viscosity

Blood viscosity is a measure of the resistance of blood to flow, which is being deformed by either shear or extensional strain.Blood is a liquid that consists of plasma and particles, such as the red blood cells. The viscosity of blood thus depends on the viscosity of the plasma, in combination...

 --- blood volume

Blood volume

Blood volume is the volume of blood in the circulatory system of an individual.-Humans:A typical adult has a blood volume of approximately between 4.7 and 5 liters, with females generally having less blood volume than males....

 --- erythrocyte volume --- plasma volume --- erythrocyte deformability

Erythrocyte deformability

Erythrocyte deformability refers to the cellular properties of erythrocytes which determine the degree of shape change under a given level of applied force. Erythrocytes change their shape extensively under the influence of applied forces in fluid flow or while passing through microcirculation...

 --- erythrocyte indices --- hematocrit

Hematocrit

The hematocrit or packed cell volume or erythrocyte volume fraction is the percentage of the concentration of red blood cells in blood. It is normally about 45% for men and 40% for women...

 --- osmotic fragility

Osmotic fragility

In hematology, osmotic fragility refers to the degree of hemolysis when red blood cells are placed in a hypotonic solution. In general, osmotic fragility is inversely proportional to the cell's surface-area-to-volume....

 --- partial thromboplastin time

Partial thromboplastin time

The partial thromboplastin time or activated partial thromboplastin time is a performance indicator measuring the efficacy of both the "intrinsic" and the common coagulation pathways...

 --- platelet adhesiveness

Platelet adhesiveness

Platelet adhesiveness refers to the processes or factors which lead to the adhesion of platelets to other structures.It can be contrasted with platelet aggregation, which refers to the processes or factors which lead to the adhesion of platelets to other platelets....

 --- prothrombin time

Prothrombin time

The prothrombin time and its derived measures of prothrombin ratio and international normalized ratio are measures of the extrinsic pathway of coagulation. This test is also called "ProTime INR" and "INR PT". They are used to determine the clotting tendency of blood, in the measure of warfarin...

 --- reticulocytosis

Reticulocytosis

Reticulocytosis is a condition where there is an increase in reticulocytes, immature red blood cell.It is commonly seen in Anemia. They are seen on blood films when the bone marrow is highly active in an attempt to replace red blood cell loss such as in haemolytic anaemia, haemorrhage.-External...

 --- thrombin time --- whole blood coagulation time

--- blood physiologic processes

--- blood bactericidal activity --- erythrocyte aggregation

Erythrocyte aggregation

Erythrocyte aggregation is the reversible clumping of these cells under low shear forces or at stasis. Erythrocytes aggregate in a special way, forming rouleaux. Rouleaux are stacks of erythrocytes which form because of the unique discoid shape of the cells in vertebrate body...

 --- erythrocyte aging --- hematopoiesis --- erythropoiesis

Erythropoiesis

Erythropoiesis is the process by which red blood cells are produced. It is stimulated by decreased O2 in circulation, which is detected by the kidneys, which then secrete the hormone erythropoietin...

 --- hematopoiesis, extramedullary --- leukopoiesis

Leukopoiesis

Leukopoiesis is a form of hematopoiesis in which white blood cells are formed in bone marrow located in bones in adults and hematopoietic organs in the fetus. White blood cells, indeed all blood cells, are formed from the differentiation of pluripotent hematopoietic stem cells which give rise to...

 --- lymphopoiesis

Lymphopoiesis

Lymphopoiesis refers to the generation of lymphocytes, one of the five different types of white blood cells , and is also more formally called lymphoid hematopoiesis.-The name Lymphopoiesis:...

 --- myelopoiesis

Myelopoiesis

Myelopoiesis is the regulated formation of myeloid cells, including eosinophilic granulocytes, basophilic granulocytes, neutrophilic granulocytes, and monocytes...

 --- thrombopoiesis

Thrombopoiesis

Thrombopoiesis refers to the process of thrombocyte generation.Thromobocytes are ligations of the cytoplasm from megakaryocytes. A single megakaryocyte can give rise to thousands of thrombocytes....

 --- hemostasis

Hemostasis

Hemostasis or haemostasis is a process which causes bleeding to stop, meaning to keep blood within a damaged blood vessel . Most of the time this includes blood changing from a liquid to a solid state. Intact blood vessels are central to moderating blood's tendency to clot...

 --- blood coagulation --- fibrinolysis

Fibrinolysis

Fibrinolysis is a process that prevents blood clots from growing and becoming problematic. This process has two types: primary fibrinolysis and secondary fibrinolysis...

 --- platelet activation --- clot retraction

Clot retraction

Clot retraction is the "shrinking" of a blood clot over a number of days. In so doing, the edges of the blood vessel wall at the point of injury are slowly brought together again to repair the damage....

 --- platelet adhesiveness

Platelet adhesiveness

Platelet adhesiveness refers to the processes or factors which lead to the adhesion of platelets to other structures.It can be contrasted with platelet aggregation, which refers to the processes or factors which lead to the adhesion of platelets to other platelets....

 --- platelet aggregation --- phagocytosis

--- cardiovascular physiologic phenomena

--- capillary fragility --- capillary permeability --- cardiovascular deconditioning --- hemodynamic phenomena --- blood flow velocity --- blood pressure

Blood pressure

Blood pressure is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs. When used without further specification, "blood pressure" usually refers to the arterial pressure of the systemic circulation. During each heartbeat, BP varies...

 --- pulmonary wedge pressure --- venous pressure --- central venous pressure

Central venous pressure

Central venous pressure describes the pressure of blood in the thoracic vena cava, near the right atrium of the heart...

 --- portal pressure --- blood viscosity

Blood viscosity

Blood viscosity is a measure of the resistance of blood to flow, which is being deformed by either shear or extensional strain.Blood is a liquid that consists of plasma and particles, such as the red blood cells. The viscosity of blood thus depends on the viscosity of the plasma, in combination...

 --- blood volume

Blood volume

Blood volume is the volume of blood in the circulatory system of an individual.-Humans:A typical adult has a blood volume of approximately between 4.7 and 5 liters, with females generally having less blood volume than males....

 --- erythrocyte volume --- plasma volume --- cardiac output

Cardiac output

Cardiac output is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min...

 --- stroke volume

Stroke volume

In cardiovascular physiology, stroke volume is the volume of blood pumped from one ventricle of the heart with each beat. SV is calculated using measurements of ventricle volumes from an echocardiogram and subtracting the volume of the blood in the ventricle at the end of a beat from the volume...

 --- cardiac volume --- heart rate

Heart rate

Heart rate is the number of heartbeats per unit of time, typically expressed as beats per minute . Heart rate can vary as the body's need to absorb oxygen and excrete carbon dioxide changes, such as during exercise or sleep....

 --- heart rate, fetal --- heart sounds

Heart sounds

Heart sounds, or heartbeats, are the noises generated by the beating heart and the resultant flow of blood through it...

 --- heart murmurs --- pulse

Pulse

In medicine, one's pulse represents the tactile arterial palpation of the heartbeat by trained fingertips. The pulse may be palpated in any place that allows an artery to be compressed against a bone, such as at the neck , at the wrist , behind the knee , on the inside of the elbow , and near the...

 --- valsalva maneuver

Valsalva maneuver

The Valsalva maneuver or Valsalva manoeuvre is performed by moderately forceful attempted exhalation against a closed airway, usually done by closing one's mouth and pinching one's nose shut...

 --- vascular capacitance --- vascular resistance

Vascular resistance

Vascular resistance is a term used to define the resistance to flow that must be overcome to push blood through the circulatory system. The resistance offered by the peripheral circulation is known as the systemic vascular resistance , while the resistance offered by the vasculature of the lungs...

 --- capillary resistance --- ventricular pressure

Ventricular pressure

Ventricular pressure is a measure of blood pressure within the ventricles of the heart.-Left ventricular pressure:During most of the cardiac cycle, ventricular pressure is less than the pressure in the aorta, but during systole, the ventricular pressure rapidly increases, and the two pressures...

 --- vascular patency

--- cardiovascular physiologic processes

--- atrial function --- atrial function, left --- atrial function, right --- blood circulation --- cerebrovascular circulation --- collateral circulation

Collateral circulation

Collateral circulation is when an area of tissue or an organ has a number of different pathways for blood to reach it. This is often as a result of anastamoses - branches formed between adjacent blood vessels....

 --- coronary circulation

Coronary circulation

Coronary circulation is the circulation of blood in the blood vessels of the heart muscle . The vessels that deliver oxygen-rich blood to the myocardium are known as coronary arteries...

 --- microcirculation

Microcirculation

The microcirculation is a term used to describe the small vessels in the vasculature which are embedded within organs and are responsible for the distribution of blood within tissues; as opposed to larger vessels in the macrocirculation which transport blood to and from the organs...

 --- placental circulation --- pulmonary circulation

Pulmonary circulation

Pulmonary circulation is the half portion of the cardiovascular system which carries Oxygen-depleted Blood away from the heart, to the Lungs, and returns oxygenated blood back to the heart. Encyclopedic description and discovery of the pulmonary circulation is widely attributed to Doctor Ibn...

 --- regional blood flow --- renal circulation

Renal circulation

The renal circulation receives around 20% of the cardiac output. It branches from the abdominal aorta and returns blood to the ascending vena cava. It is the blood supply to the kidney, and contains many specialized blood vessels.-Circulation:...

 --- renal blood flow, effective --- renal plasma flow --- renal plasma flow, effective --- splanchnic circulation --- liver circulation --- hemodynamic processes --- baroreflex

Baroreflex

The baroreflex or baroreceptor reflex is one of the body's homeostatic mechanisms for maintaining blood pressure. It provides a negative feedback loop in which an elevated blood pressure reflexively causes heart rate to decrease therefore causing blood pressure to decrease; likewise, decreased...

 --- kallikrein-kinin system --- renin-angiotensin system

Renin-angiotensin system

The renin-angiotensin system or the renin-angiotensin-aldosterone system is a hormone system that regulates blood pressure and water balance....

 --- vasoconstriction

Vasoconstriction

Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particularly the large arteries, small arterioles and veins. The process is the opposite of vasodilation, the widening of blood vessels. The process is particularly important in...

 --- vasodilation

Vasodilation

Vasodilation refers to the widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls, particularly in the large arteries, smaller arterioles and large veins. The process is essentially the opposite of vasoconstriction, or the narrowing of blood vessels. When...

 --- myocardial contraction --- diastole

Diastole

Diastole is the period of time when the heart fills with blood after systole . Ventricular diastole is the period during which the ventricles are relaxing, while atrial diastole is the period during which the atria are relaxing...

 --- systole

Systole

Systole may refer to:*Systole , a term describing the contraction of the heart*Systolic array, a term used in computer architecture*Systolic geometry, a term used in mathematics...

 --- neovascularization, physiologic --- ventricular function --- ventricular function, left --- ventricular function, right --- ventricular pressure

Ventricular pressure

Ventricular pressure is a measure of blood pressure within the ventricles of the heart.-Left ventricular pressure:During most of the cardiac cycle, ventricular pressure is less than the pressure in the aorta, but during systole, the ventricular pressure rapidly increases, and the two pressures...

 --- ventricular remodeling

Ventricular remodeling

Ventricular remodeling refers to the changes in size, shape, and function of the heart after injury to the ventricles. The injury is typically due to acute myocardial infarction , but may be from a number of causes that result in increased pressure or volume overload on the heart...

--- respiratory physiologic phenomena

--- airway resistance

Airway resistance

Airway resistance is a concept used in respiratory physiology to describe mechanical factors which limit the access of inspired air to the pulmonary alveoli, and thus determine airflow....

 --- lung compliance --- pulmonary diffusing capacity --- pulmonary ventilation --- forced expiratory flow rates --- maximal expiratory flow rate --- maximal expiratory flow-volume curves --- maximal midexpiratory flow rate --- peak expiratory flow rate --- forced expiratory volume --- maximal voluntary ventilation --- respiratory dead space --- respiratory sounds --- total lung capacity --- closing volume --- functional residual capacity

Functional residual capacity

Functional Residual Capacity is the volume of air present in the lungs, specifically the parenchyma tissues, at the end of passive expiration...

 --- expiratory reserve volume --- residual volume --- vital capacity

Vital capacity

Vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inspiration. It is equal to the inspiratory reserve volume plus the tidal volume plus the expiratory reserve volume....

 --- expiratory reserve volume --- inspiratory capacity --- inspiratory reserve volume --- tidal volume

Tidal volume

Tidal volume is the lung volume representing the normal volume of air displaced between normal inspiration and expiration when extra effort is not applied.Typical values are around 500ml or 7ml/kg bodyweight.-Mechanical Ventilation:...

 --- valsalva maneuver

Valsalva maneuver

The Valsalva maneuver or Valsalva manoeuvre is performed by moderately forceful attempted exhalation against a closed airway, usually done by closing one's mouth and pinching one's nose shut...

 --- ventilation-perfusion ratio --- voice

Voice

Voice may refer to:* Human voice* Voice control or voice activation* Writer's voice* Voice acting* Voice vote* Voice message-In film:* Voice , a 2005 South Korean film* The Voice , a 2010 Turkish horror film directed by Ümit Ünal...

 --- voice quality --- work of breathing

--- respiratory physiologic processes

--- mucociliary clearance

Mucociliary Clearance

Mucociliary clearance, also referred to as mucociliary apparatus or mucociliar clearance , derived from mucus , cilia and clearance describes the self-clearing mechanism of the bronchi.The main bronchi down to the alveoli are lined with a respiratory epithelium...

 --- phonation

Phonation

Phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology...

 --- pulmonary circulation

Pulmonary circulation

Pulmonary circulation is the half portion of the cardiovascular system which carries Oxygen-depleted Blood away from the heart, to the Lungs, and returns oxygenated blood back to the heart. Encyclopedic description and discovery of the pulmonary circulation is widely attributed to Doctor Ibn...

 --- respiration

Respiration (physiology)

'In physiology, respiration is defined as the transport of oxygen from the outside air to the cells within tissues, and the transport of carbon dioxide in the opposite direction...

 --- respiratory mechanics --- bronchoconstriction

Bronchoconstriction

Bronchoconstriction is the constriction of the airways in the lungs due to the tightening of surrounding smooth muscle, with consequent coughing, wheezing, and shortness of breath. Bronchoconstriction can also be due to an accumulation of thick mucus....

 --- exhalation

Exhalation

Exhalation is the movement of air out of the bronchial tubes, through the airways, to the external environment during breathing....

 --- inhalation

Inhalation

Inhalation is the movement of air from the external environment, through the air ways, and into the alveoli....

 --- respiratory transport --- pulmonary gas exchange --- sneezing --- yawning