PDF versionhypogastralium (hy''-po-gas-tra'-li-um). A specialized sponge spicule lying largely beneath the endopinacoderm of the spongocoel.
PDF versionhypogastralium
PDF versionPDF versionPDF versionPDF versionhypogastralium (hy''-po-gas-tra'-li-um). A specialized sponge spicule lying largely beneath the endopinacoderm of the spongocoel.