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.
Caused usually by damage to the cerebellum or to the spinocerebellar tracts. May be congenital due to cerebellar atrophy or acquired due to inflammation or malacia of the cerebellum. cerebellar atrophy. degeneration and loss of cellsâPurkinje and granular cells of the cerebellum.Present at birth or soon after, is congenital in sheep, cattle, Arab horses, dogs and cats.aused usually by damage to the cerebellum or to the spinocerebellar tracts. May be congenital due to cerebellar atrophy or acquired due to inflammation or malacia of the cerebellum. cerebellar atrophy. degeneration and loss of cellsâPurkinje and granular cells of the cerebellum.