Category : Anatomy-Lexicon

Spinal cord gray matter

Spinal cord gray matter

The gray matter of the spinal cord appears butterfly-shaped in cross section and can be divided into 10 layers. It has a front and rear horn and even a side horn in the chest area. Information from the

White matter spinal cord

White matter spinal cord

The white matter of the spinal cord consists of the predominantly myelinated ascending and descending nerve fibers. These are bundled as different strands (funiculi), in which they are each again in tractus or fasciculi with different

Spinobulbaris tract

Spinobulbaris tract

The spinobulbaris tract is divided into the gracilis fasciculus and cuneatus fasciculus These two tracts lie in the posterior cord of the white matter of the spinal cord (funiculus posterior). They lead as an ascending path from the spinal ganglion to two

Spinothalamic tract

Spinothalamic tract

The anterior and lateral spinothalamic tracts lie in the anterior cord of the white spinal cord. They only lead from the spinal ganglion to the not very distant cord cells, which form the second neuron of this pathway in the dorsal horn of the spinal cord

Neocortex

Neocortex

From a developmental point of view, the neocortex represents the youngest part of the human brain. It can be divided into four interconnected lobes - the frontal lobes, the parietal lobes, the temporal lobes and the occipital lobes

Cell nucleus division

Cell nucleus division

Cell nucleus division, also called mitosis, is part of cell division and is used to renew tissue. It is divided into different phases that are subject to strict controls. Should the control mechanisms fail, it can lead to a

Cerebral ventricle

Cerebral ventricle

The brain ventricles are fluid-filled spaces inside the brain. The brain water, the liquor, is produced and stored in them. It serves as a nutrient medium and protection for the brain structures. The liquor flows through the ventricular system between

Cerebellar damage

Cerebellar damage

There are three classic symptoms of damage to the cerebellum. An unsteady, swaying gait indicates ataxia; the typical choppy type of speech is called "chanted language". Furthermore, it is impossible for the patient to determine certain

Forebrain

Forebrain

The forebrain belongs to the central nervous system and includes both the diencephalon and the cerebrum. The diencephalon consists of the thalamus, epithalamus, subthalamus and hypothalamus. The cerebrum surrounds the diencephalon and is made up of sense impressions

The anatomy of the arm

The anatomy of the arm

The arm is also known as the free upper extremity and consists of the upper arm, forearm and hand. It has several joints that make it the most flexible part of the human body. Apart from the gripping and holding function, the arms are in posture

Enzymes

Enzymes

www.The medical information portal. Here you will find information on the subject of enzymes that is understandable for laymen

bacteria

bacteria

Bacteria are unicellular microorganisms that can grow up to a micrometer in size. There are both harmful bacteria, called parasites, which cause disease, as well as vital bacteria, the symbionts, which are

pus

pus

Pus arises from inflammatory reactions. It consists of a collection of dead neutrophils (cells used by the immune system); dead bacteria and tissue fluid. Collections of pus occur, for example, in pimples and can through

Spine anatomy

Spine anatomy

The spine is divided into cervical, chest, lumbar and sacral spine and guarantees us not only stability but also a certain amount of flexibility. The spine shows some curvatures, so-called lordoses and kyphoses, which are necessary for cushioning

The lymphatic system

The lymphatic system

The lymphatic system is responsible for the intact immune reaction of the organism. It contains the organs bone marrow, thymus, tonsils, spleen, appendix and the lymph vessels with the lymph nodes.

blood

blood

www.The medical information portal. Here you will find information on the subject of blood that is understandable for laymen. Laboratory values.

leg

leg

The leg is the main organ for locomotion of the human body and therefore a very important component for coping with everyday life. So that walking and standing are possible, all structures, their movements and connections must be perfectly aligned

Vessels

Vessels

Vessels are tubes that carry body fluids through the body. The most important ones are the blood vessels, which can be divided into arterial (oxygen-rich blood) and venous (oxygen-poor blood), as well as the lymph vessels, which are tissue fluids

Ulnar nerve

Ulnar nerve

The ulnar nerve is an important nerve of the arm and consists of fibers that on the one hand transport sensitive tactile information from the skin and joints to the brain and on the other hand perform a motor movement function. In case of damage

The hand of the oath

The hand of the oath

In the case of a sworn hand, when trying to close the fist, the thumb, index and middle finger are extended while the ring finger and little finger are bent at the same time. The reason for this is nerve damage to the so-called median nerve