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xiphihumeralis (plural xiphihumeralises)

  1. A long, flat strip of pectoral muscle comprising a band of parallel fibres, found in felines.
    • 1901, Jacob Ellsworth Reighard, Herbert Spencer Jennings, Anatomy of the cat (2nd edition), H. Holt and Company, page 147:
      The tendon of the xiphihumeralis is also connected with its inner surface near its insertion.
    • 2003, Phillip E. Cochran, Laboratory manual for comparative veterinary anatomy and physiology, Cengage Learning, →ISBN, page 144:
      The xiphihumeralis muscle (M. xiphihumeralis) is the fourth muscle the pectoralis group [sic]. It originates from the xiphoid process of the sternum and inserts on the humerus (hence the name xiphihumeralis).