The Adaptive Immune System Is Complex, but It Can Be

question 13

True/False

The adaptive immune system is complex, but it can be summarized in four consecutive stages: i) lymphocyte encounter with an immunogen, ii) development of lymphocyte speci?city against that immunogen, iii) 2nd encounter with the immunogen, and iv) development of memory cells.

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Definitions:

Trapezoidal

A shape or form characterized by a four-sided polygon with at least one pair of parallel sides.

Cross Section

A view or drawing that shows what the inside of something looks like after a cut has been made perpendicular to its axis.

Radial-Contact Bearings

Bearings that support loads perpendicular to the axis of the shaft.

Thrust Loads

Forces applied along the axis of a shaft or bearing that push against the bearing's face, often caused by helical gears or inclines.