What is a fissure in the skin?

Skin fissures are splits in the skin, usually to the point of bleeding. They can occur interdigitally, especially between the fourth and fifth toes, and are caused by hyperhydrosis or prolonged sweating in endurance events. Fissures are also seen with reduced moisture content of the skin (anhydrosis) around the heels.

What is the basic cause of the fissures?

Fissures are usually caused by trauma to the inner lining of the anus from a bowel movement or other stretching of the anal canal. This can be due to a hard, dry bowel movement or loose, frequent bowel movements. Patients with a tight anal sphincter muscle are more likely to develop anal fissures.

What is a fissure called?

1 : a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting a fissure in the earth’s crust. 2a : a natural cleft between body parts or in the substance of an organ. b : a break or slit in tissue usually at the junction of skin and mucous membrane.

How do fissures form?

It has a ring of muscle (sphincter) that opens during a bowel movement to allow stool (feces) to pass through. A fissure is caused by the anal tissue stretching too much. This can happen during a hard bowel movement. It causes pain and bleeding.

What causes skin fissures on hands?

Skin fissures happen on areas of the body that are under stress. This stress could come from weightbearing, as is the case for your heels and feet. Any area of the body that is exposed to water regularly is at risk of dry skin and cracking. This is common on the hands due to handwashing.

What is fissure and fistula?

Important: “Piles fistula and fissure are often confused for one another. While piles is swollen blood vessels surrounding the anal canal, fissure is a tear or crack in the tissue of the anus and fistula is an abnormal tunnel between the anus and the surrounding skin.

What is fissure operation?

What is a sphincterotomy (fissure surgery)? A sphincterotomy is a surgical procedure used for treating chronic anal fissures. Anal fissure management includes surgical and nonsurgical treatment. When nonsurgical methods fail to provide any relief, physicians prefer surgical methods to treat anal fissures.

What is an example of fissures?

You probably could see that your lips were drying out and starting to crack. If you let them continue to dry out, they get larger and even begin to bleed. This is an example of a type of fissure that can occur in your body. A fissure is a crack or tear in the skin.

What is fissure eruption in geography?

A fissure vent, also known as a volcanic fissure, eruption fissure or simply a fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. Fissures are usually found in or along rifts and rift zones, such as Iceland and the East African Rift.

What causes fingers to crack?

The “pop” of a cracked knuckle is caused by bubbles bursting in the synovial fluid — the fluid that helps lubricate joints. The bubbles pop when you pull the bones apart, either by stretching the fingers or bending them backward, creating negative pressure.

What causes skin on knuckles to crack?

Hands: Frequent washing, alkaline cleansers, chemicals and changes in climate can all play a part in drying out the skin on our hands. When cracks occur, they normally appear around the knuckles because the skin is tight and can easily break when stretched.

Which layer of the epidermis consists of flattened granular cells?

This is the third layer of the epidermis that consists of flattened granular cells (3-5 layers). As the keratinocyte cells migrate from the previous stratum spinosum to this layer, they turn squamous cells, losing their nuclei.

Which layer of the epidermis is exposed to the outside environment?

Stratum Corneum The stratum corneum is the most superficial layer of the epidermis and is the layer exposed to the outside environment (see Figure 5.1.4). The increased keratinization (also called cornification) of the cells in this layer gives it its name. There are usually 15 to 30 layers of cells in the stratum corneum.

What are the sub layers of the epidermis?

The epidermis, which is the topmost layer, actually has 5 sub-layers. The stratum basale is the deepest layer, while the stratum corneum is the outermost layer of epidermis. Bodytomy takes a closer look at these layers along with their functions.

What is the stratum basale of the epidermis?

Unlike other layers of epidermis that are a multilayered block of cells, the stratum basale is just a single layer of cells, but does an important job of generating new cells.