Megakaryocyte

Kyokakukyū (巨核球) is a minor character in Cells at Work!

She serves as a teacher and caretaker to the Platelets.

Appearance
She is a tall, heavyset woman with long hair who wears a cap, a t-shirt, a sweater, and shorts. She's shown carrying a baby cell on her chest.

Personality
Megakaryocyte's somewhat of a harsh commander to the platelets. She criticizes them and bribes them with medals to get them to accomplish a difficult task. However, it shows that she cares about them when she encourages them, and then she rewards them after a success.

Trivia
Since Platelets are produced from Megakaryocytes by fragmentation, Megakaryocyte could be seen as the mom of the Platelets.