albumen gland造句

• Albumen gland and spermathecal duct have a common opening.
• Reproductive system : the bursa copulatrix is partly surrounded by albumen gland ( posterior pallial oviduct ).
• The hermaphrodite duct runs forward, connecting to the albumen gland and the common duct ( spermoviduct ).
• The albumen gland ( which creates albumen for the eggs ) is elongated and shaped like a tongue.
• The tube-like albumen gland is characterized by cells containing dark blue stained vesicles and long cilia.
• The albumen gland is very large, a usual feature in this group of animals; in outline it is roughly boot-shaped.
• The albumen gland covers the carrefour and the origin of a bosselated, transverse tubular oviduct which follows a somewhat convolute course continuing into a striated nidamental gland.
• From this point to the albumen gland it is a well-marked area of a rusty brownish tint, and somewhat separated from the uteral portion by the longitudinal folds.
• The hermaphrodite duct enters near the base of the albumen gland; it is a simple straight tube, with several short lesser tubes branching from it and uniting with the several masses which form the hermaphrodite gland.
• If differs from " Marstonia lustrica " by its smaller prostate gland, smaller penial lobe, narrower penial filament, straight anterior vas deferens, partly imbedded ( in albumen gland ) bursal duct, and larger seminal receptacle.
• It can be distinguished from " Marstonia gaddisorum " by its less convex shell whorls, distinctive pallial roof pigmentation, larger number of cusps on the inner side of the lateral teeth and on the outer marginal teeth, larger penial lobe, narrower terminal gland, and smaller overlap of the bursa copulatrix by the albumen gland.