also mesogloea noun see: clay Date: 1886 a gelatinous substance between the endoderm and ectoderm of sponges or coelenterates
MESOGLEA
Meaning of MESOGLEA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012