No, pubic lice are ectoparasites; they live on the outside of the body.
When the flow of blood under that particular part is minimal then you might get such a feeling.A2:You might actually have something crawling under your skin. It wouldn't be a bad idea to take your skin to a doctor. There are a number of parasites that might be responsible.
The medical term for the occupation and dwelling of parasites on the external skin surface is "ectoparasitism". Ectoparasites are organisms that live on the surface of a host's body, such as fleas, lice, and ticks.
more than the smartest person can count under a microscope
A bot fly is one of several families of hairy flies whose larvae live as parasites within the bodies of mammals, such as the Desert Woodrat.
parasites and dead skin
Lice do not generally live in animal fur. I'm 99% sure that parasites that live on guinea pigs will not transfer to human skin.
Sharks don't live in symbiosis with other organisms. They don't need to. However the remora, or suckerfish, often attach themselves to a sharks skin. They keep the skin clean while removing debris and eating parasites on the sharks skin.
parasites and dead skin
No, they just bite you.
No, cacti are not parasites. They don't live off other creatures.
Parasites can live in humans by finding their way into the body through contaminated food or water, insect bites, or skin contact. Once inside, they can attach themselves to different parts of the body, such as the intestines, blood, or skin, and feed off the host's nutrients or tissues to survive and reproduce. Some parasites can cause symptoms and disease in humans, while others may live in the body without causing noticeable harm.