웹2024년 10월 15일 · Hydra is a freshwater solitary polyp, capable of temporary adhesion to underwater surfaces. The reversible attachment is based on an adhesive material that is secreted from its basal disc cells and left behind on the substrate as a footprint. Despite Hydra constituting a standard model system in stem cell biology and tissue regeneration, few … 웹The basal disc is largely smooth, with a central boss aligned with the stem. The basal disc is attached with a ring of closely arranged tentacle-like structures up to 0.8 cm in length. The stem is 3.6 cm long and appears to have a central furrow flanked by two lateral ridges. Materials. One specimen.
DIF-1 induces the basal disc of the Dictyostelium fruiting …
웹Download scientific diagram Stalk and basal disc cell differentiation in pikfyve − . (A) Stalk gene expression. Ax2 and pikfyve − cells, transformed with ecmB-lacZ or DDB_G0278745 … 웹2024년 1월 13일 · The size of coral fragment basal discs was quantified using planar projection photography (Naumann et al. 2009) with images (Nikon ® D18, four Ikelite ® strobes) taken at 0 and 10 weeks. Skeletal extension, measured by basal disc extension, was calculated as changes in arithmetic mean radius (AMR) according to Pratchett et al. . iphone xsmax nfc 门禁卡
Developmental dominance in hydra : I. The basal disk
웹2024년 1월 25일 · The epidermal cells of the basal disc are granular and they secrete mucus for the attachment of Hydra; the basal epidermal cells also can form pseudopodia by which the animal glides on its attachment. Some granular epidermal cells of the basal disc secret a gas to form a bubble by which Hydra breaks from its attachment and lifted up. 웹2024년 4월 9일 · The basal disc is then rotated 180° and is fixed to a new position. The hypostome is again raised and the animal assumes its upright position (Fig. 2.20). iii. Gliding: Hydra may glide along the substratum by … 웹2004년 11월 8일 · The principal congenital abnormalities of the optic disc that can significantly impair visual function are excavation of the optic disc and optic nerve hypoplasia. The excavated optic disc ... orange tulip chair