periostracum /per-i-osˈtrə-kəm/

The horny outer layer of a mollusc's shell

• endometriosis
• endometritis
• endometritises
• endometrium
• endometriums
• endomitoses
• endomitosis
• endomixes
• endomixis
• endomixises
• endomorph
• endomorphic
• endomorphies
• endomorphs
• endomorphy
• end-on
• endonuclease
• endonucleases
• endoparasite
• endoparasites
• endoparasitic
• endophagies
• endophagous
• endophagy
• endophyllous