The blood pressure is too low if it reaches values below 105/60 mmHg. There are various reasons for this: On the one hand, it can be depressed due to predisposition, on the other hand it can also indicate a circulatory weakness, whereby it can be seen when getting up quickly
The sense of balance is used for orientation and the determination of posture in space. Various sensory organs are necessary for this. This includes the organ of equilibrium (vestibular organ), the eyes and reflexes, as well as the interconnection of all
the information portal for ophthalmology. What visual acuity means, clearly explained.
The human organ of equilibrium, or vestibular organ, is located in the inner ear. It is used to measure linear and rotational acceleration. The organ of equilibrium can be checked for functionality in various ways. In the event of faults
Cerebellar atrophy is a shrinkage of tissue in the cerebellum. The causes for this can be genetic or caused by alcohol, for example. Cerebellar atrophy manifests itself very differently, depending on which one
The upper ankle enables movement between the lower leg and foot and forms a functional unit with the lower ankle. The upper ankle joint consists of the shinbone (tibia) and the fibula (fibula), which make up the ankle fork
Balance in the sense of the ability to balance is defined as the ability to keep the body and / or part of the body in balance, or to bring it back into balance during movements. To make this possible, our equilibrium organ measures
The endothelium is a group of cells that lines blood vessels. It is a flat, single-layer association of cells, which coordinate important metabolites for the control of blood pressure and blood clotting and thus important tasks in the organism
the medical information portal. Detailed information on the subject of varicella zoster virus explained in an understandable way.
The blood pressure is too low if it reaches values below 100/60 mmHg. Mostly women are affected and the most important symptoms include dizziness, weakness, fatigue, shortness of breath or fainting, which are due to insufficient blood supply to the brain
The choroid is the back part of the vascular skin of the eye and is embedded between the retina and the dermis as a middle layer. It also includes the iris and the ciliary body. The choroid serves with its network of blood vessels
The eye is made up of the eyeball and surrounding structures such as the eyelids and tear organs. The outer skin of the eye is made up of leather and cornea. The middle skin of the eye includes the iris, the ciliary body and the choroid. The
The yellow spot indicates the area on the retina of the eye that has the highest density of photoreceptor cells. If you fix an object with your eyes, the light hits the yellow spot through the lens of the eye. The most common disease
The stellate ganglion is a large nerve plexus made up of sympathetic nerve fibers that support the body in active activities. A blockade of the ganglion triggers the Horner triad (ptosis, miosis, enophthalmos), but causes it
The vitreous body fills a large part of the posterior chamber and is primarily responsible for maintaining the shape of the eyeball. Changes to the vitreous humor often lead to impaired vision. Towards the front, the vitreous is limited by the
The fundus is the back part of the eyeball, which is usually not visible through the iris. It includes the retina, the optic nerve outlet, the yellow spot and various vessels.
The lower ankle acts as a functional unit with the upper ankle. It forms the articulated connection between the lower leg and the foot. The articular surfaces of the lower ankle are formed by three of the tarsal bones, the ankle bone
The carotid artery runs in pairs in the neck and supplies the head with oxygen-rich blood. It consists of the common carotid artery and the arteries arising from it, the internal carotid artery and the external carotid artery. A narrowing or
The sympathetic nervous system, like its counterpart, the parasympathetic nervous system, belongs to the vegetative nervous system that cannot be controlled voluntarily. It is more prevalent when the body is active and no longer at rest. A pathological overactivation occurs
The conjunctiva, as a mucous membrane, lies against part of the eyeball from the outside and the eyelids from the inside. Typical symptoms of conjunctivitis are burning, itching and redness, but secretions are also part of it. In the case of a bacterial pathogen
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