116 GLOSSARY. 
Suture (L. su¢ura, a seam).—An immovable articula- 
tion of bones. 
Symphysis (Gr. swz, together ; phuszs, | grow).— The 
union of bones where there is not a complete 
articulation. 
Symplectic (Gr. symplino, to entwine together).—A 
bone of the skull in Teleostean fishes, forming 
the lower ossification of the suspensorium 
and articulating below with the quadrate. 
Synarthrosis (Gr. sw, together ; arthron, a joint) A 
class name for immovable articulations. 
Synchondrosis (Gr. saz, together ; chondros, gristle). 
—A form of articulation existing in early 
life, in which a thin layer of cartilage is 
interposed between the bones. 
Synostosis (Gr. swz. together ; osteon, a bone), — 
Applied to the premature obliteration of the 
sutures of the skull. 
Synovia (Gr. sux, together ; oom, an egg).—A viscid, 
transparent fluid, secreted in the cavities of 
joints. 
Synovial membrane.—A thin membrane situated in 
the interior cavity of a joint, covering the 
inner surfaces of the ligaments connected 
with the joint. The membrane secretes the 
synovia. 
Talus (L. a die).—The astragalus, which see. 
Tarsalia (Gr. ¢arsos, the flat of the foot)—The bones 
of the tarsus. 
Tarso-metatarsus.—The single bone in the leg of a 
