: They develop from stem cells in the bone marrow. During the final stages of maturation, they shed non-functional proteins and undergo "membrane microvesiculation," a regulated process that removes old or damaged components.
Depending on your specific interest, "red" and "mature" can appear in other medical or biological topics: mature red
: Postmature infants (born after 42 weeks) may have skin with a purplish-red hue (acrocyanosis) or a "harlequin color change" where half the body appears bright red. : They develop from stem cells in the bone marrow
: In ultrasound Doppler flow studies, red color on the display typically indicates blood flowing toward the ultrasound transducer, which doctors use to evaluate blood flow in a post-term (mature) fetus. : In ultrasound Doppler flow studies, red color
: As these cells age, signals on their surface trigger their removal from the bloodstream by the spleen and liver. Other Related Contexts