...A curious segmental displacement of the imaginal discs with regard tothe larva is noticeable in some Diptera...
Geo. H. Carpenter 「The Life-Story of Insects」
...These segmental pairs of gonads are theoriginal ventral halves of the cœlom-pouches...
Ernst Haeckel 「The Evolution of Man」
...The answer is thatthis is really the case; it is their segmental or transverse articulation,which we may briefly call metamerism...
Ernst Haeckel 「The Evolution of Man」
...On the other hand, the ventral partsgive rise, from their uppermost section, to the pronephridia orprimitive-kidney canals, and from the lower to the segmental rudiments of thesexual glands or gonads...
Ernst Haeckel 「The Evolution of Man」
...These segmental gonads are originally nothingelse than the real gonotomes, separate body-cavities, formed from thehyposomites of the trunk...
Ernst Haeckel 「The Evolution of Man」
...The gonads are the most important segmental organs of the hyposoma, in thesense that they are phylogenetically the oldest...
Ernst Haeckel 「The Evolution of Man」
...The oldest form of the kidneysystem in this stem are the segmental pronephridia or prorenal canals, in thesame arrangement as Boveri found them in the amphioxus...
Ernst Haeckel 「The Evolution of Man」
...In the brief period during which these segmental cœlom-pouches arestill openly connected with the gut, they look just like a double chain ofsegmented visceral glands...
Ernst Haeckel 「The Evolution of Man」
...Moreover, the underlying cutis is also notmetamerous, although it develops from the segmental structure of thecutis-plates (Figs...
Ernst Haeckel 「The Evolution of Man」
...a prorenal duct (nephroductus), b segmental orprimitive urinary canals (pronephridia), c renal or Malpighian capsules...
Ernst Haeckel 「The Evolution of Man」
...The kidneys of the Amphioxus—first discovered byBoveri in 1890—are typical “fore kidneys,” composed of adouble row of short segmental canals (Fig...
Ernst Haeckel 「The Evolution of Man」
...In the Selachii also we find a longitudinal row of segmental canals on eachside, which open outwards into the primitive renal ducts (nephrotomes,p...
Ernst Haeckel 「The Evolution of Man」
...The segmental canals (a pair in each segment of the middle part of thebody) open internally by a ciliated funnel into the body-cavity...
Ernst Haeckel 「The Evolution of Man」
...In Avington Church,Berkshire, is a stone beneath a plain segmental arch...
Matthew Holbeche Bloxam 「The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.」
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