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Figure
3. Internal anatomy of the adult male (top)
and female (bottom) snow fly, Chionea alexandriana,
drawn by Dr. George Byers. Obviously there
is as much complexity packed inside a small
insect's body as in our larger anatomy. Muscles
are labelled with "m" and a number.
The other structures include: acg-accessory
gland, at--aorta and cedv--cardia enlargement
of dorsal vessel (acts as "heart"),
covd--common or median oviduct, cp--crop,
dv-dorsal vessel, fp-fat pad, fspth--functional
spermatheac, gc-genital chamber, agn5--abdominal
ganglion of fifth segment, hg--hindgut or
intestine, mpt--malpighian tubule (acts as
a "kidney"), oes--oesophagus, sgl--salivary
gland, vn--ventriculus.
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