part of capable of part of tarsal segment 4 prothoracic leg tarsal taste bristle 4s 2019-02-12T15:00:00Z m4s FBbt:00048182 fly_anatomy.ontology Short taste bristle of tarsal segment 4 of the prothoracic leg. It is located distal to bristle 4c on the ventral tarsal segment 4. One is found on the medial side of the leg and one on the lateral side. It can respond to a range of sugars and some bitter compounds. VFB:FBbt_00048182 f4s prothoracic leg tarsal taste bristle detection of chemical stimulus involved in sensory perception of bitter taste detection of chemical stimulus involved in sensory perception of sweet taste