middle plate (ARTHRO: Insecta) In embryology, that area between the mesodermal rudiment and the lateral ectodermal plates.
middorsal a. [A.S. middel, middle; L. dorsum, back] Pertaining to the true dorsal line of an individual; dorsomedian.
midgut n. [A.S. middel, middle; gut] The mesenteron; the middle portion of the alimentary tract.
midgut gland (MOLL) A lobed or unlobed gland, of a compound tubular or acinous nature, opening into the gut in one or more places; sometimes called liver.
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