1. Mature haustoria of H. parasitica were distinctly pyriform in shape.

2. Pyriform silk glands make the attachment cement -- that's the silk that's used to adhere silk lines to a substrate.

3. The glenoid cavity or glenoid fossa of scapula is a part of the shoulder. It is a shallow, pyriform articular surface, which is located on the lateral angle of the scapula.