Advices for Life

Anatomy

December 28, 2016 00:05

The blood-brain barrier

blood-brain barrier is extremely important for the brain homeostasis, however, many questions about its formation is still not completely understood.But now it is clear that the BBB is most pronounced for differentiation, complexity and density of the blood-tissue barrier.The basic structural and functional unit of it - the endothelial cells of brain capillaries. brain metabolism like no o...

December 28, 2016 00:05

Wrist

Brush (manus) has a skeleton in which the release of the wrist bones (ossa carpi), metacarpal bones (ossa metacarpi) and the bones of the fingers - finger bones (phalanges digitorum manus). The bones of the wrist.The wrist (carpus) has 8 short (spongy) bone, arranged in 2 rows.In the upper (proximal) series, when viewed in the medial direction (from the thumb to the little finger), these...

December 28, 2016 00:05

pulmonary valve

pulmonary valve is separated from the output card of the right ventricle of the fibrous skeleton of the heart muscle wall.It does not have the fibrous support.His semilunar base rests on the myocardium of the right ventricle of the output card. pulmonary valve, similar to the valve of the aorta consists of three sine and three semilunar cusps extending their bases from the fibrous ring.Sem...

December 28, 2016 00:05

heart Valves

tricuspid and pulmonic heart valve controls blood flow from the tissues to the lungs for oxygenation, mitral and aortic valves are controlled by the left heart blood flow of arterial blood to organs and tissues.Aortic and pulmonary are outputs of the left and right ventricle valves, respectively.Tricuspid and mitral valves are heart valves outputs left and right atrium, while the input of t...

December 28, 2016 00:05

The classes of immunoglobulins and their age dynamics

human immunoglobulins rather heterogeneous and represented 5 classes and several subclasses.They are detected in the blood at different ages and at different times reach concentrations typical of adults.To distinguish five immunoglobulin classes A, M, G, E, D. Each immunoglobulin class has a difference in magnitude of molecular weight, sedimentation coefficient and their participation in ...

December 28, 2016 00:05

The subcortical parts of the brain ( the subcortex )

By subcortical parts of the brain are the thalamus, basal ganglia at the base of the brain (caudate nucleus, lenticular nucleus, consisting of a shell, the lateral and medial pale balls);white matter of the brain (semioval center) and internal capsule, and hypothalamus.Pathological processes (hemorrhage, ischemia, tumors, etc.) Frequently develop simultaneously to several listed entities, b...

December 28, 2016 00:05

Axillary artery

axillary artery (a. Axillaris) is a continuation of the subclavian artery (from level I rib).It is located deep in the armpit and is surrounded by the trunks of the brachial plexus.At the lower edge of the latissimus dorsi tendon axillary artery becomes the brachial artery.Accordingly, the front wall of the topography of the axilla axillary artery is conventionally divided into three sectio...

December 28, 2016 00:05

Submandibular salivary gland

submandibular salivary gland (glandula submandibularis) steam mixed type of secretion, has a thin capsule.Located in the triangle of the neck of the same name.Outside to the iron surface plate are adjacent cervical fascia and skin.The inner surface of the gland is in contact with the sublingual, lingual and styloglossus.Iron reaches the top internal surface of the body of the mandible. Top...

December 28, 2016 00:05

The spinal column ( vertebrae )

spine (spinal column, columna vertebralis) formed 33-34 vertebrae, including 7 cervical, 12 thoracic, 5 lumbar. most important support structure of the human body is the spine.Without it, the average person would have no chance not to walk and run, but even to stand without assistance. In addition, the spine provides a very important function, which consists in protecting the spinal cord....

December 28, 2016 00:05

Penis

penis (penis) is used to drain urine from the bladder and discharge semen in the genital tract of women.The penis is made up of the front part of the free - body (corpus penis), which ends with the head (glans penis), which has at its top a slit outer opening of the male urethra (ostium urethrae externum). Pain around the head of the penis In glans distinguish the most wide part - head...