neural tube neural tube /ˈnjʊərəl tuːb/

noun

1. A tube of ectodermal tissue in the embryo from which the brain and spinal cord develop  ( neural tube )
   a tube of ectodermal tissue in the embryo from which the brain and spinal cord develop
    The neural tube is crucial for the development of the central nervous system in embryos.
   The neural tube is crucial for the development of the central nervous system in embryos.
   
   

 Diodora apertura Diodora apertura /daɪˈɔːdərə ˌæpərˈtʊrə/

noun

1. Marine limpet having a conical shell with an opening at the apex  ( Diodora apertura , Fissurella apertura , keyhole limpet )
   marine limpet having a conical shell with an opening at the apex
   
   

 tenant tenant /ˈtɛnənt/

noun

1. () Someone who pays rent to use land or a building or a car that is owned by someone else  ( renter , tenant )
   someone who pays rent to use land or a building or a car that is owned by someone else
    The landlord can evict a tenant who doesn't pay the rent
   the landlord can evict a tenant who doesn't pay the rent
   
   
2. Any occupant who dwells in a place  ( tenant )
   any occupant who dwells in a place
   
3. A holder of buildings or lands by any kind of title (as ownership or lease)  ( tenant )
   a holder of buildings or lands by any kind of title (as ownership or lease)
   

verb

1. Occupy as a tenant  ( tenant )
   occupy as a tenant
   

 arrester arrester /əˈrɛstər/

noun

1. A restraint that slows airplanes as they land on the flight deck of an aircraft carrier  ( arrester , arrester hook )
   a restraint that slows airplanes as they land on the flight deck of an aircraft carrier