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Pathology

Pathology is the scientific study of the nature of disease and its causes, processes, development, and consequences. It deals with the study of mechanisms and manifestations of disease, and involves the study of bodily changes that occur as the result of disease. This category is for questions about pathology, the study of disease and its causes, development, and consequences.

534 Questions

How are skin biopsies therapeutic?

Skin biopsies also can serve a therapeutic purpose. Many skin abnormalities (lesions) can be removed completely during the biopsy procedure.

Would red blood cells be present in the renal filtrate?

Not normally - red blood cells are quite large and should be above the glomerular filtration size threshold. Blood in the renal filtrate will by default result in blood in the urine due to an inability of the kidney to reabsorb it and this is pathlogic.

What is the inflammatory cells making a tubercle?

A tubercule is an inflammatory nodule; most commonly this is in response to an intracellular bacteria (such as Mycobacterium) that the body is unable to get rid of. The inflammatory cells associated with the tubercule are macrophages (large cells that are trying to eat and break down the bacteria but are unable to) and fibroblasts (long spindly cells that are trying to make a shell of scar tissue to contain the bacteria).

What is the chemical HZ?

The chemical formula HZ does not correspond to any known compound in chemistry. It may be a typographical error or a fictional compound.

Is a lesion a pathological site?

A 'lesion' is anything or any site of the body that is not normal.

Yes, a lesion is a pathological site.

What type of receptors are most likely to be classified as silent receptors?

Silent receptors are a proportion of total receptors that are to be occupied before there is any response. It is an model and these are not a distinct subgroup of receptors.

Are cilliates protist harmful?

yes, they survive in hosts or live on dead carcasses

Can an abnormal lymph node be something other than cancer?

Yes, it can also be abnormal due to chronic inflammation, infection (lymphadenitis) or just a congenital/developmental abnormality.

Who is the father of modern pathology?

Elie Metchnikoff was a pioneer in the field of studying how the body defends itself against invading microorganisms. He discovered phagocytosis and won a nobel prize in 1908 for his work in ths area. It also led to his becoming known as The father of immunology

What are the specific bacterial infections of lymphocytosis?

usually bacterial infections cause an increase in neutrophils the exception is Bordetella pertussis which causes whooping cough results in lymphocytosis

Why would they do a lumpectomy without a biopsy first?

If the lump is in a delicate place, or there is a strong probability of cancer, the entire lump would be removed without a biopsy being collected first.

What is pathological?

Pathology is the study and diagnosis of disease through examination of organs, tissues, cells and body fluids.
Study of disease

Why to use RBC diluting fluid for counting?

You can use any isotonic solution like Normal Saline Solution (NSS), Hayem's and Gower's.

Why are biopsy punches illegal in some states?

It's only illegal for body piercing and because its widely used as a "Medical device"

Why are the underlying and immediate causes of death both important when preparing an autopsy report?

I'm not a coroner but here is my answer:

Underlying causes of death can predispose a person to die from immediate causes of death. That means underlying causes aka "chronic conditions" (they were there for a long time) can increase the likelihood of someone dying from an immediate cause. Example: a man who is 200 lbs overweight, has a stressful job, eats crap all the time and smokes three packs of cigarettes per day gets in a wicked argument with his wife and drops dead. The immediate cause turned out to be acute stress but that's not the whole story. The complete picture includes underlying causes i.e. obesity, smoking, stress (and everything that comes along with these: atherosclerosis, high blood pressure, coronary artery disease); it is all this that really set the guy up to drop dead from an argument.

What is the concept of social pathology?

social pathology is the concept of family illness that are found in one family

What is hydropic degeneration?

Hydropic degeneration is a condition in which excessive amounts of water accumulate in dysfunctional cells. In general, hydropic degeneration is reversible, provided the inciting cause is resolved prior to cell death.

Hydropic degeneration is commonly seen in cells collected from areas of edema.

What is the relation between nissl's bodies and ribosomes?

The prominence of the Nissl substance can be explained by the fact that nerve cells are metabolically very active, and hence are involved in large amounts of protein synthesis.

What do you call the organism that help plants and animals?

The organisms helping plants and animals are called symbioants. Usually micro-organisms like bacteria and some algal forms establish symbiotic relationship with plants and animals.

What type of preparation is needed for a thyroid fine needle biopsy?

If a needle biopsy is done, no special preparation is needed. If a large needle biopsy is being done, the doctor may order some tests to determine the clotting ability of the blood.

What is a voicebox nodule?

This is a noncancerous growth on the vocal folds, generally attributed to overuse or abuse of the vocal cords. These are most common in people who vocalize for a living - orators, singers, stand-up comedians, etc.