Sentence examples for duct systems from inspiring English sources

Both male and female duct systems are occasionally absent.

Duct systems of the invertebrate flatworms (Platyhelminthes) are relatively complex, and those of specialized arthropods (e.g., insects, spiders, crabs) are more complex than those of any vertebrate.

Leeches (Hirudinea), also monoecious, have one pair of ovaries and a segmentally arranged series of testes with duct systems basically similar to those of earthworms.

Gonads located on or near the animal surface are common in the lowest invertebrates, but in higher animals they tend to be more deeply situated and often involve intricate duct systems.

Embryos of the two sexes are initially alike in possessing similar duct systems linking the undifferentiated gonads with the exterior and in having similar external genitalia, represented by three simple protuberances.

The duct systems were made of typical commercial materials.

In California, the average duct system loses 30percentt of its heating or cooling to leaks.

"They have stuff here stored by the duct system," quipped Michele Dupey, the library's public information officer.

Mr. Gil designed a duct system throughout the house to circulate air from the pump efficiently.

The male duct system begins as the rete testis, a network within the testis of thin-walled ductules, or minute ducts, that collects sperm from the seminiferous tubules.

On Sunday the police said a pool of blood underneath the duct system, which was under construction, had led an officer to her body after days of frustrated searches in the building.