GLOSSARY. 269 



Sym'physis. [From the Gr. syn, "together," and phyo, to "produce," to 



"grow."] A union of bones, usually of symmetrical bones in the 



median line, as the pubic bones and bones of the jaw. 

 Synarthro'sis. [From the Gr. syn, "together," and arthron, a "joint."] A 



form of articulation in which the bones are immovably joined together. 

 Synchondro'sis. [From the Gr. syn, " together," and chondros, " cartilage."] 



Union by an intervening growth of cartilage. 

 Syndosmo'sis. [From the G\\ syn, "together," and desmos, a "ligament."] 



Union by ligaments. 

 Syno'via. [Supposed to be from the Gr. syn, " together," implying union 



or close resemblance, and oon, an " Qg%"'\ A fluid resembling the white 



of an egg. 

 Syno'vial. Pertaining to synovia. 

 Syn'tonin. [From the Gr. synteino, to "stretch," to "draw," referring to 



the peculiar property of muscular fibre.] A name given by Lehmann 



to a substance obtained from muscular fibre by the action of dilute 



muriatic acid. 

 Sys'tole. [From the Gr. systello, to " draw together," to " contract."] The 



contraction of the heart. 



Tar'sus. [From the Gr. tarsos, the " instep."] The instep : the cartilage of 

 the eyelid. 



Ten'do Achil'lis. [Lat.] "Tendon of Achilles." The tendon attached to 

 the heel, so named because Achilles is supposed to have been held by the 

 heel when his mother dipped him in the river Styx to render him invul- 

 nerable. 



Thorac'ic. [From the Gr. thorax, a " breastplate," the " breast."] Pertain- 

 ing to the thorax. 



Thy'roid. [From the Gr. thyreos, an "oblong shield," and eidos, "form," 

 " resemblance."] Resembling a shield. A name given to an opening in 

 the ossa innominata : to the piece of cartilage forming the anterior 

 prominence of the larynx : to the gland placed in front of the larynx. 



Tib'ia. [Lat. a "flute" or "pipe."] The shin-bone, called tibia, from its 

 fancied resemblance to a reed-pipe. 



Tibia'lis Anti'cus. [Lat.] The muscle situate at the anterior part of the 

 tibia. 



Tibia'lis Pos'ticus. [Lat.] The muscle situate at the posterior part of the 

 tibia. 



Tone. [Gr. tonos, from teino, to " stretch."] A distinct sound. The state 

 of tension proper to each tissue. A term used to express the normal 

 excitability, strength, and activity of the various organs and functions 

 of the body in a state of health. 



Trabec'ulae. [Lat. pi. of trabecula, a "little beam."] A term applied to 

 prolongations of fibrous membranes which form septa, or partitions. 



Tra'chea. [Lat.] The windpipe. 



Transversa'lis. [Lat. from trans, "across," and verto, versum, to "turn," to 

 " direct."] A term applied to a muscle which runs in a transverse direc- 

 tion. 



