1. An adhesive composition for soft tissues, an adhesive composition for a wound dressing or a wound dressing composition comprising a monomer (A), polymer particles (B) having a weight average molecular weight of 210,000 or more and 1,500,000 or less and a volume average particle diameter of 1.0 μm or more and 90 µm or less, and a polymerization initiator composition (C) containing an organoboron compound. 2. The soft tissue adhesive composition, the wound dressing adhesive composition or the wound dressing composition according to claim 1, wherein the polymer particles (B) are at least one type selected from polymer particles (B1) having a weight average molecular weight of 1,000,000 or more and 1,400,000 or less and a volume average particle diameter of 1.0 μm or more and 90 μm or less, polymer particles (B2) having a weight average molecular weight of 750,000 or more and less than 1,000,000 and a volume average particle diameter of more than 30 μm and 90 μm or less, polymer particles ( B3) having a weight average molecular weight of 250,000 or more and 950,000 or less and a volume average particle diameter of 1.0 μm or more and 30 μm or less, polymer particles (B4) having a weight average molecular weight of 350,000 or more and 700,000 or less and a volume average diameter particles greater than 30 μm or more and 90 μm or less, and polymer particles (B5) having a weight average molecular weight of more than 950,000 and less than 1,000,000 and a volume average particle diameter of 30 μm. 3. Adhesive composition for soft tissue, adhesive composition for wound dressing or wound dressing composition according to claim 1, having a viscosity of from 0.4 to 75000 cp within 30 seconds after mixing components (A), (B) and (C). Soft tissue adhesive composition, wound dressing adhesive composition, or wound composition1. Адгезивная композиция для мягких тканей, адгезивная композиция для раневой повязки или композиция раневой повязки, включающая мономер (А), полимерные част
