The body wall is the external surface made of germ layers like ectoderm on the outer side and mesoderm on the inner side, surrounding the gastro-vascular cavity. It is lined by epithelial cells. Answer and Explanation:1 The fluid-filled space separating the outer...
What a sac is filled with determines whether it is a cyst, an abscess, or a tumor. Cysts are usually filled with fluid, such as skin oil, although they may also contain air, water, or semi-solid matter from the body. Abscesses are often the result of an infection and containpus.Tumo...
What is knee bursitis?Knee bursitis is inflammation of the bursa in your knee. The bursa is a fluid-filled sac that acts as a cushion between a bone and a tendon. A tendon is a cord of strong tissue that connects muscles to bones.What increases my risk for knee bursitis?
The breast is composed of several glands and ducts that lead to thenippleand the surrounding colored area called theareola. The milk-carrying ducts extend from the nipple into the underlying breast tissue like the spokes of a wheel. Under the areola are lactiferous ducts. These fill with milk...
A cyst is a closed, sac-like pocket of tissue that most commonly contains fluid, pus, or air. They can appear quickly or grow slowly over time. Most cysts are benign (not cancerous) and can appear almost anywhere in the body.1
Bulla:A bulla is a fluid-filled sac that develops when fluid becomes trapped under the skin's thin layer. It is comparable to a blister and vesicle; however, it has a bigger diameter than 1 cm. Wheal:A wheal is an irregularly shaped patch of edematous skin that is uneven in size or ...
En caul birth is when a baby is born still inside an intact amniotic sac. Learn more about what causes it, why it’s important, and what to expect.
Acute pericarditis is inflammation of the pericardium. The pericardium is the thin sac that surrounds your heart. A small amount of clear fluid between the heart and the sac allows the heart to beat easily. With acute pericarditis, the amount of fluid increases and may contain pus. This can ...
If you are a man, a sample of your semen may be tested for infection. You may need an amniocentesis if you are pregnant. An amniocentesis takes a sample of fluid from the amniotic sac. The amniotic sac surrounds and protects your baby. The fluid removed during an amniocentesis can be ...
How is toxoplasmosis diagnosed and treated?Your healthcare provider will examine you. He or she may check your eyes and how well your brain is working. A blood test can check for the germ that causes toxoplasmosis. If you are pregnant, fluid may be taken from the amniotic sac (fluid that...