First lumbrical canal communicates with: (A) Adductor space, (B) Midpalmar space, (C) Thenar space, (D) Hypothenar space
Answer is C. Thenar space communicates with first web space through first lumbrical canal.The midpalmar space communicates with medial 3 web spaces through medial 3 lumbrical canals.Reference: Textbook of anatomy upper limb and thorax, Vishram Singh, second edition, page no 154, 153