When ripe, the germ-cells are dehisced directly to the exterior.
They serve probably for the aeration of the gonads by admitting to their vicinit y water with its dissolved oxygen; they never serve as genital ducts, since the generative products are always dehisced into the stomach and pass out by the mouth.
Some of the pollen-sacs had dehisced, while others still retained their pollen.
Its members are quite devoid of any mouth or alimentary canal, but have a well-developed body cavity into which the eggs are dehisced and which communicates with the exterior by From Cambridge Natural History, vol.
This was the case in Urnatopteris (Kidston), with Sphenopteroid sterile foliage; the sporangia, borne on the filiform pinnules of the fertile rachis, appear to have dehisced by an apical pore (fig.
The case study does not report any contraindications using VAC therapy when treating the dehisced sternal wound where heart and pericardium were exposed.
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