After the internal organs have formed in the ninth week of pregnancy, a human embryo is also known as a fetus until it is born. During this time the so-called fetogenesis takes place. Various complications can occur during fetogenesis
The Schwann cells are a type of glial cell used in the peripheral nervous system to stabilize and nourish nerve fibers. They also wrap around the axons of myelinated nerve fibers, supplying them with insulating myelin
Like the adenohypophysis, the neurohypophysis is a part of the pituitary gland (pituitary gland). However, it is not a gland itself, but a part of the brain. Their job is to store and provide two important hormones.
The metabolism and metabolic processes are of great importance for human health and performance. Impairments can lead to a variety of diseases.
The lacrimal gland is an important gland that performs crucial functions. While many people only connect the tear gland to the tear fluid while crying, it performs numerous tasks every day.
Without the parietal lobe, humans would be unable to think spatially, haptic perceptions or the controlled execution of hand and eye movements.
The lymphatic system is part of the immune system and is distributed throughout the body. It is not a single organ, but a complex network of lymphatic organs and the lymphatic system.
The auditory pathway consists of special somatosensitive fibers that transmit the recorded impulses from the organ of Corti to the primary and secondary auditory cortex of the cerebrum. First instant of the auditory pathway are the sensory cells of the auditory sense, which convert sound into electrical
The pia mater is the innermost meninges and hugs the surface of the brain, where it also reaches the fine spaces between the cerebral convolutions (gyri) and folds (sulci). Together, the three meninges help protect the brain. The
The vagina, vulva, often colloquially called the sheath, is a part of the internal female sexual organs. The vagina is located in the pelvis of the woman and is a connection to the uterus
The corpus luteum is formed from the follicle immediately after ovulation and consists of the egg cell and luteinized theca and granulosa cells. These cells are responsible for the cycle-appropriate production of progesterone and estrogen. At
The internal thoracic artery is a smaller branch of the subclavian artery that supplies the chest with oxygenated blood. The arterial vessel plays a role as a transplant in procedures such as coronary bypass. Pathological
The substantia spongiosa is the inner, bony network of the bone substance. Above all, it determines the load-bearing capacity of the bones. In osteoporosis, the cancellous bone is increasingly broken down and the bone loses its load-bearing capacity.
The yellow spot, also called macula lutea, is a small area on the retina through which the visual axis runs. Within the macula lutea there is the zone of sharpest vision (fovea) and at the same time color vision, because the approx. 6 million cones
The superior thyroid artery transports oxygen-rich blood to the thyroid gland, which produces and stores the hormones L-triiodothyronine (T3) and L-thyroxine (T4). Thyroid diseases include over and underactive, tumors, infections and
The brain (technically: cerebrum or encephalon) is the control center of the body consisting of nerve tissue, in which information from the inside of the body is integrated and processed with information from the outside world. Together with the R
The ulnar arteries and the radial arteries represent the two main arteries of the forearm. They both arise from the bifurcation of the brachial artery in the crook of the arm. The ulnar artery runs along the ulnar to the wrist and reaches over the
The so-called vitreous body belongs to the middle sections of the eyes. In addition to the vitreous body, the middle segment of the eye also consists of the anterior and posterior chambers of the eye. The vitreous body is primarily responsible for the shape of the eyeball
In the throat is the pharyngeal plexus, which is a plexus of nerves and mainly contains fibers from the ninth and tenth cranial nerves. It controls the muscles of the pharynx and palate as well as glands in the pharynx, which it also sensitively innervates
The axillary vein is a major blood conductor in the human organism. It is located in the armpit. Venous blood is transported to the heart through them.