Epidermis function

Epidermis function & Permeability

The epidermis is the outermost of the three layers forming the skin, and the inner layers are the proper and subcutaneous skin.  The epidermal layer is a barrier to infection with environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss. The epidermis consists of multiple […]

Paronychia symptoms

Paronychia symptoms & Causes

paronychia is an infection of the skin around nails. Bacteria or a type of yeast called Candida usually cause this infection. Bacteria and yeasts can even combine into one infection. Depending on the cause of the infection, anemia may appear slowly and persist for weeks or appear suddenly and last for only one or two […]

Cuticle function

Cuticle function & Mycology

In human anatomy, the “epidermis” may refer to several structures, but it is used in colloquial language, and even by doctors, when talking with patients to refer to the thickened skin surrounding nails and nails of the feet (eponychium) and refer to the external part of the hair, consisting of dead cells.  It can also […]

keratin functions

keratin functions & fibrous structural proteins

Keratin is a protein inside cells. It occurs in many types of cells but is very important for epithelial cells that form the skin. Keratin is a type of filamentous protein, called indirect filament. These proteins form long strands inside the cell, hence the name of the fiber. The fibers anchor the cells to each […]

Sesamoid bones function

Sesamoid bones function & Structure

The sesamoid bone is a bone embedded in the tendon or muscle. Derived from the Latin word sesamum (“sesame seed”), due to the small size of most of the sesame. Often, these bones arise in response to tension or may be present as a normal variant. The cap is the largest sesamoid bone in the […]

Patella functions

Patella functions & Structure

The patella, also known as the kneecap, is a thick, round, triangular bone that connects to the femur and covers and protects the anterior joint surface of the knee joint.   Patella can be found in many quadrupeds, such as mice, cats, and birds, but not in whales or most reptiles. In humans, the kneecap […]

meninges layers

Meninges layers & Cerebra-spinal fluid

The meninges are three layers of protective tissue called the hard tire, the arachnoid fabric and the bulb surrounding the neuraxis. The brain and spinal cord tones are continuous, connected by magnum foramen.   Meninges layers Dura Mater The dura mater is the highest layer of the meninges layers. Its name means “hard mother” in […]

vitreous humor function

vitreous humor function & Glass cell detachment

Light enters the eye through the cornea, pupil, and lens and is then transmitted through the vitreous to the retina. Fills the space between the lens and the retina (80% of the volume of the eyeball), which lined the back of the eye and helps to keep the retina in place, pushing it to the […]

Pupil function

Pupil function & Controlling the pupil

The pupil of the eye is a black circle in the middle of the iris. Iris is a colorful ring in the eye with color and structure unique to each person. From the outside of the eye, the light passes through the transparent lens and then through the pupil. When the light reaches the tissues […]

fovea function

fovea function & Entoptic effects in the hole

The fovea is the central part of the retina, which contains only cones (zone free of rods). Creates a site that provides the sharpest image and the largest color discrimination. It is in the middle of a yellow spot.   Fovea function   Illustration of the distribution of conical cells in the central well of […]