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 inferior cerebellar peduncle carries many types of input and output fibers that are mainly concerned with integrating proprioceptive sensory input with motor vestibular functions such as balance and posture maintenance.It consists of the following fiber tracts entering cerebellum:mportant fibers running through the inferior cerebellar peduncle include the dorsal spinocerebellar tract and axons from the inferior olivary nucleus, among others.