Find the meaning and role of the following by Alistair McCann

Pathogen

alistairmccann1 — 2024-05-29 00:22:11 UTC

A pathogen is a noun used to identify a infectious agent also known as bacteria, viruses and other microorganism that can cause diseases

A pathogen is an organism causing diseases to its host (The infected person), the severity of the symptom is known as virulence. Pathogens widely diverse and include viruses and bacteria and multicellular eukaryotes (Fungi). Every single living organism gets affected by pathogens(Viruses, bacteria) and are targeted by special viruses called phages(Viruses that infect or replicate only in bacterial cells).

Host cell

alistairmccann1 — 2024-05-29 00:22:21 UTC

Host cells are a living cell that has been invaded by or capable by a infectious agent(commenly known as bacteria or germanium).

The role of a host cell is to "host" a infectious agent to help it replicate inside its self witch leads to the host being infected

Macrophage

alistairmccann1 — 2024-05-29 00:22:31 UTC

A machrophage is a type of white cell that kills (microorganism= an organism that is microscopic), removes dead cells, and stimulates the action of other immune system cells.

T-Helper Cell

alistairmccann1 — 2024-05-29 00:22:42 UTC

The T cell receptor does not transmit signals on its own and sends 1 signal into the cell. It is related with a complex protein called CD3(recognition of antigens and signal transduction(transfer genetic material from on bacteria to another) and activation of T lymphocytes(Antibody production))

B-cell

alistairmccann1 — 2024-05-29 00:22:50 UTC

B-cell production in humans is a lifelong process that starts in the fetal liver intrauterine and bone marrow after birth.

“Killer” T– Cell

alistairmccann1 — 2024-05-29 00:23:09 UTC

A "Killer" T-Cell is a type of immune cell. It has the ability to kill particular cells. These are such as cancer cells, foreign cells and cells that have been infected by virus, a killer T cell is able to kill them off.

Cytotoxins

alistairmccann1 — 2024-05-29 00:23:19 UTC

Cytotoxins is a substance that can kill and can cause cell damage, death through necrosis or apoptosis

Phagocyte

alistairmccann1 — 2024-05-29 00:23:28 UTC

A type of immune cell that can surround and kill micro-organisms, ingest foreign material, and remove dead cells.

Virus

2024-05-29 00:26:29 UTC

A virus is an infectious microbe consisting of a segement of nucleic acid (DNA or RNA) surrounded by a protein coat.

Antibody

2024-05-29 00:34:21 UTC

Antibodys are proteins that protect you when you have a unwanted substance enters your body.

antibodies is a y-shape molecules with three equal sized portion. It also as two heavy chains on the bottom half and two light chains on the top half