Cells at Work! Wiki
Cells at Work! Wiki

Neutrophils terminating a bacteria.

The Neutrophil Division is one of the immune forces in the body, composed of Neutrophils. Neutrophils (neutrocytes/heterophils) are the most abundant type of white blood cells, making up approximately 62% of all white blood cells in a human body. Neutrophils are also a type of Granulocyte, meaning that once their mature they can’t divide.

Neutrophils are highly trained and disciplined cells who secure the safety of other cells unable to protect themselves. Their tasks are to patrol around the blood vessels and terminate any form of foreign entities on sight.

They are the first to respond to pathogens that have entered the epithelial cells. Each Neutrophil freely patrols the body, and will attempt to remove any threats spotted. If unable or outnumbered, they are usually backed up by Macrophages who come later in an infection.

They start of as Monoblasts, mature into Promyelocytes, divide (yes, divide, not mature) into Myelocytes mature once again into Metamyelocytes, mature into Banded Neutrophils, and finally mature into Neutrophils.

Abilities

  • Wandering Cell - They are able to roam around the body freely.
  • Transmigration - They are able to pass through capillary walls in order to get wherever they need to go in the body.
  • Phagocytosis - They can "eat" bacteria to either kill or collect information about them.
  • Receptor - They have a radar that indicate when there is an antigen nearby, however, the design is often told to be "clunky".
  • L-Selectin - A component in their suit that allows them to adhere to surfaces.
  • Chemotaxis - Neutrophils are able to communicate to each other using a transceiver.
  • Neutrophil Extracellular Traps (NETs) - Neutrophils will shoot out proteins (mostly DNA) in order to trap foreign substances. This information is based of a new study.

Nature

Neutrophils are generally kind and selfless cells, with an innate instinct to protect the body. Non-immune cells are often intimidated by their use of violence, so they are quite distant from each other, and sometimes gain reproach just as other immune cells do. They always says “Die! You filthy germ!” when fighting an antigen.

Because they are able to freely roam around the body, they have a good understanding of how it functions. They generally roam alone but join together when fighting groups of bacteria using their transceiver. They are born and raised in Red Bone Marrows. As myelocytes, they play swords, tag and hide-and-seek to learn how to work with comrades and battle enemies.

In Cells at Work!

Uniform

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All Neutrophils wear the same uniform, which is similar to the modern day military uniform except it only consists of the color white. The jacket has two pockets on the front and two with initials on the shoulder section; the pants have multiple pockets as well. They wear belts that overlay on the jacket and are attached to the knife sheaths strapped on their thighs. They also wear normal laced boots, gloves and a cap printed with '白血球' (Japanese word for 'White Blood Cell') with a plate consisting their number written on it. A receptor that functions like a radar is attached to a vest with a thin water resistant cable under their inner shirt. This receptor is connected and powered by two circuits: the Fc receptor and the C3 receptor. Their vest is made of L-selectin and includes L-selectin Adhesion Molecules that can tether their bodies to the ground. It can be controlled through a switch inside their belt.

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Each Neutrophil is armed with six knives at the legs and hip, as well as throwing knives and a transceiver to communicate with comrades. They also carry a hydrolyzing enzyme spray to break down bacterial corpses and other such things. Regardless of the situation, they are not allowed to remove any piece of uniform during work or they would not be able to respond to an emergency.

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Known members

In Cells at Work! BLACK

First body

The members of the Neutrophil Devision in the first body in Cells at Work! BLACK have an identical nature, roles. and abilities to those in the original series. In contrast, however, the entire unit consists of females equipped with katanas instead of knives. They are also taught kendo as myelocytes. If the situation requires it, the unit also resorts to using bazookas to deal with infecting pathogens.

The immune system is often overworked and undermanned, which cause much of their soldiers to come late during an infection. Their uniforms are also more loosely worn and equipped, showing much of their cleavage and only having one katana and a knife by their thigh. The vest containing their receptor and L-Selectin Adhesion Molecules is worn outside of their shirts, across their lower backs. Lastly, their numbers are sown inside their shirts, so it cannot be seen under normal circumstances.

Second body

The Neutrophil Division in the second body in BLACK is likewise all female, but instead of katanas, they wield cutlasses. Their uniforms also differ, and consist of a long, belted hoodie, shorts, boots, stockings, and a garter belt. Their L-Selectin vest is worn underneath the hoodie, across their chests. As in the first body, this Neutrophil Division is also subject to a weakened immune system. It is often late to arrive when an infection occurs, and its members are prone to becoming exhausted and overwhelmed, but the introduction of neutrophils from the first body into the second body via a blood transfusion helps begin to mitigate this as the foreign neutrophils assimilate to their new home and take on authoritative roles.

Known members

Identified neutrophils in BLACK include: