Segmental pairs of giant insect cells discharge presumptive immune proteins at each larval molt
文摘

A pair of dermal secretory cells occupies all thoracic and nine abdominal segments.

The lectin peanut agglutinin intensely labels contents of secretory cell vacuoles.

Contents of vacuoles are abruptly expelled at each molt.

Vacuoles discharge contents by a distinctive piecemeal process.

Novel proteins secreted by secretory cells have presumptive immune functions.

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