Swann Morton Scalpel Blades preserved Owl Pellets are undigested parts

Owl Pellets are undigested parts of an owl's food which are regurgitated

These mixed multi test rings feature 8 antibiotic impregnated tips:

This allows the simultaneous application of the equivalent individual antimicrobial susceptibility test discs

selectively permeable material

MRS Agar is designed to encourage the growth of lactic acid bacteria

Swann Morton Scalpel Blades preserved Owl Pellets are undigested partsHigh quality British scalpel blades manufactured by Swann Morton. Blades 10, 10A and 11 fit a 'Number 3' scalpel handle, 20, 21, 22, 23 & 24 all require a 'Number 4' handle. All blades are available in a pack of 25 or 100; each contain foil sealed packs of 5 (non sterile). We are gradually phasing out packs of 5 and 25 due to the cost of sending blades by post. To ensure we comply with British blade laws we use an age verification service which costs