The human being and the organisms that affect his health ⚠
Sometimes, people in ancient times believed that diseases were caused by evil spirits and because of that, they wear horrible masks to drive away the evil spirits that they believe caused these pathologies.
Infections caused by protozoan
Are organisms impossible to detect at first sight, multiply inside a host and affect the certain parts of the body
Infectious diseases
Abnormal functioning of some structure or system in the body. It can also be defined as the loss of psychophysical of the organism. We can find the infectious ones
Diseases caused by bacteria
They reproduce rapidly inside the organism, and they emit toxins which damage tissues.
Are transmitted from person to person by oral or rectal contact, or by contaminated water, vegetables, fruit, etc.
An individual affected can spread the disease to other healthy individuals directed person contaminates the air through breathing or having contact with food or objects.
Amebiasis
Leishmaniasis
Direct contact when there is a direct physical contact of a healthy person with body lesions with an infected person through hugs, kisses or sexual intercourse.
Infections provoked by ectoparasites and endoparasites
Tripanosomiasis
giardiasis
Cholera
Examples:Coronaviruses, Diphtheria, Ebola, Flu, Hepatitis, Hib Disease, HIV/AIDS, Zika ...etc
Examples
Pertussis (whooping cough)
Bacterial pneumonia
Bacterial meningitis
Indirect contact, when inanimate objects
Spread happens when microorganisms disseminate rapidly
Are organisms that live in or on a host.
Parasitism is the interaction that is established between systems 2 organisms. The parasite generally competes for the consumption of food that exists in the host.
Type of parasites
Parasites can be classified into endoparasites and Ectoparasites
Diseases caused by fungi
Endoparasities
Ectoparasites
Live in the interior of the body of their host.
Live in contact with the exterior of their host
Endoparasites in the animal organim
Endoparasites enter organs and tissues, blood or natural cavties from animal organisms through vectors such as Earth, edible vegetables and animals, insect bites, among others.
Ectoparasites in animal organism
They are those that are found in the external tissues of animals and feed on proteins that come from the host. Some examples are fleas and ticks.
Classification of infectious diseases
Diseases cause by protozoan
Diseases produced by fungi
Diseases produced by bacteria
Diseases produced by viruses
Fungi are a very diverse group, with different forms of live. There are some of them that can cause illnesses
They reproduce by spores
Diseases caused by fungi only present chronic symptoms
Athlete's foot
Candidiasis
Fungal Eye Infections
Candida auris.
Amebiasis includes nausea, diarrhea, weight loss, abdominal pain, and occasional fever
Cutaneous leishmaniasis affects the skin and mucous membranes
Giardiasis can cause malnutrition and damage the mental and physical development of children