What organ of the body does the cotton wool present?

1. What part of the body does the cotton wool represent?
2. Where are cotton wool spots found?
3. What does the cotton wool represent in smoking?
4. What layer of retina are cotton wool spots in?
5. What disorders can cause cotton wool spots on the retina?
6. How does diabetes cause cotton wool spots?
7. Is retinopathy a disease?
8. Do cotton wool spots cause headaches?
9. Why does neovascularization occur?
10. What a pack of cigarettes does to your lungs?
11. Can you gain back lung function after quitting smoking?
12. What's the worst thing in cigarettes?
13. What is macula edema?
14. Is cotton a wool?
15. Can lupus cause cotton wool spots?
16. How common is Crvo?
17. What are drusen spots?

What part of the body does the cotton wool represent?

The cotton wool represents your lung cells, and this is what the cotton wool looks like after the smoke has passed through a single filtered cigarette."

Where are cotton wool spots found?

Cotton wool spots are an abnormal finding on funduscopic exam of the retina of the eye. They appear as fluffy white patches on the retina. They are caused by damage to nerve fibers and are a result of accumulations of axoplasmic material within the nerve fiber layer.

What does the cotton wool represent in smoking?

In the video, Notap uses a bell jar filled with cotton wool to represent the lungs and a suction pipe to mimic someone inhaling. ... The suction pipe - representing the smoke - is also stained brown.

What layer of retina are cotton wool spots in?

Cotton-wool spots seen by ophthalmoscopy are a result of microinfarction of the nerve fiber layer of the retina. In AIDS these lesions usually are confined to the posterior pole near the optic disc⁶⁷ (Fig. 81.1).

What disorders can cause cotton wool spots on the retina?

Cotton-wool spots (CWSs) are common retinal manifestations of many diseases including diabetes mellitus, systemic hypertension, and acquired immunodeficiency syndrome. Clinically they appear as whitish, fluffy patches on the retina and eventually fade with time.

How does diabetes cause cotton wool spots?

Due to the strong association with microangiopathic diseases such as diabetes mellitus and systemic hypertension, the interruption in axoplasmic flow in cotton-wool spots is thought to result from focal ischemia associated with occlusion of precapillary arterial flow, though other possible etiologies have also been ...

Is retinopathy a disease?

Retinopathy means disease of the retina. There are several types of retinopathy but all involve disease of the small retinal blood vessels. Signs of retinopathy (see photograph) can be seen when the retina is viewed through the pupil with an ophthalmoscope.

Do cotton wool spots cause headaches?

We have observed three cases of isolated cotton-wool spot (CWS) accompanied by a history of migraine, and would suggest a pathophysiological association between these two clinical entities. All three patients presented with a new visual disturbance associated with recent migraine.

Why does neovascularization occur?

Corneal neovascularization is a condition where new blood vessels invade into the cornea from the limbus. It is triggered when the balance between angiogenic and antiangiogenic factors are disrupted that otherwise maintain corneal transparency.

What a pack of cigarettes does to your lungs?

Cigarettes can harm the tissue of the lungs, impeding their ability to function properly, and can increase the risk for conditions such as emphysema, lung cancer, and chronic obstructive pulmonary disease (COPD).

Can you gain back lung function after quitting smoking?

Within the first month after you quit smoking, your lung function will improve, and this will increase circulation, too. Within nine months, the cilia begin to function normally and symptoms like coughing and shortness of breath become less frequent.

What's the worst thing in cigarettes?

According to the U.S. National Cancer Institute: "Of the more than 7,000 chemicals in tobacco smoke, at least 250 are known to be harmful, including hydrogen cyanide, carbon monoxide, and ammonia. Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer."

What is macula edema?

Macular edema is the build-up of fluid in the macula, an area in the center of the retina. The retina is the light-sensitive tissue at the back of the eye and the macula is the part of the retina responsible for sharp, straight-ahead vision. Fluid buildup causes the macula to swell and thicken, which distorts vision.

Is cotton a wool?

Cotton wool consists of silky fibers taken from cotton plants in their raw state. ... It is also a refined product (absorbent cotton in U.S. usage) which has medical, cosmetic and many other practical uses.

Can lupus cause cotton wool spots?

Mild lupus retinopathy consists of cotton–wool spots, perivascular hard exudates, retinal hemorrhages, and vascular tortuosity [7]. Moderate lupus retinopathy has focal or generalized arteriolar constriction and venous tortuosity.

How common is Crvo?

CRVO usually occurs in people who are aged 50 and older. In most cases, it is not known what causes the condition. It is more common in patients with high blood pressure, arteriosclerosis, diabetes, and glaucoma than it is in other people. The second eye will develop vein occlusion in 6-17% of cases.

What are drusen spots?

‌Retinal drusen are yellow-colored spots seen under the retina of your eye that are made up of proteins and a type of fat called lipids. The retina is the layer of cells lining the inside surface of the back of your eye that sends signals to your brain and enables you to see.‌