The lacrimal bone is the smallest and most fragile bone of the face; roughly the size of the little fingernail. It is situated at the front part of the medial wall of the orbit.It has two surfaces and four borders.Several bony landmarks of the lacrimal bone function in the process of lacrimation or crying.n early lobe-finned fishes and ancestral tetrapods, the lacrimal bone is a relatively large and robust bone, running from the orbit to the nostrils. It forms part of the side of the face, between the nasal bones and the maxilla.
Medical Definition of spinocerebellar. : of or relating to the spinal cord and cerebellum spinocerebellar degeneration.
  The sarcomere is the contractile unit. It is the space between two Z discs that contains one group of myosin fillaments and two groups of actin fillaments, one group on â¦ each end of the myosin fillaments.Z discs join sarcomeres together end-to-end to form myofibrils.hat is the contractile unit of muscle? already exists. already exists as an alternate of this question. exists and is an alternate of. Do you have a process or ritual you follow to write your music, or do you just go with it when inspiration strikes? The smallest contractile unit in muscle is? What is the smallest contractile unit of a muscle ...