Glossary 139 



Refrac'tory. [L. refractarious.] Obstinate, unyielding. 



Re'nal. [L. renes, kidneys.] 



Retic'ular. [L. reticulum, a little net.] Formed like a net, in meshes. 



Retrolin'gual (-gwal). [L. retro, behind; lingua, tongue] 



Rhomb"enceph'alon. [G. rhombos, a lozenge; enkephalon, brain.] 



Ri'gor. [L., stiffness, rigidity.] The stiffening (pathological) of muscle. 



Ru'bro- [L. ruber, red.] Pertaining to the red nucleus (nucleus ruber). 



Sac'cular. [L. sacculus, a little sac or bag.] Bag-shaped. 



Sa'crum, -era or -crums. [L. sacer, sacred.] The os sacrum, or sacred bone, formed 



by the union of five vertebrae in man ; it forms the central part of the rear 



wall of the pelvis, and supports trunk, being the only bony connection between 



the pelvis and the upper portion of the body. The coccyx is attached to its 



lower end. 

 Sag'gital. [L. sagitta, an arrow.] Primarily, the designation of the saggital suture 



of the cranium ; then, lying near, or pertaining to this suture, also parallel to 



the vertical plane of this suture. 

 Sarco-. [G. sarx, flesh.] A word-part meaning muscle-cell, or pertaining to the 



muscle-cell. 

 Sarcolac'tic. [Bastard term, sarco -f- L. lac, milk.] Lactic acid is the acid of sour 



milk ; sarcolactic acid is the same substance formed in muscle-cells. 

 Sarcolem'ma. [Sarco -f- lemma, q. v.~] The intimate wrapping of a muscle fiber. 

 Sar'coplasm. [Sarco -f- plasm, q. v.] The interfibrillar substance of the muscle-cell. 

 Se'bum. [L., tallow, grease.] The secretion of certain skin-glands. 

 Seba'ceous. 



Secre'tin. [L. secernerc, to separate.] A secretion of the duodenum. 

 Semilu'nar. [L. semi, half; luna, the moon.] Crescent-shaped. 

 Sep'tum, -ta. [L., a fence, or partition.] 

 Se'rum. [L., whey.] A clear liquid, especially the separated clear part of a bodily 



fluid. 

 Si'nus. [L., a fold or hollow.] A cavity, hollow, or pocket. 

 Somat'ic. [G. soma, the body.] Pertaining to the body as distinguished from the 



viscera. 

 Splanc'nic. [G. splanchna, the entrails.] Visceral. 

 Sphinc'ter (sfink'ter). [G. sphiggein, to close.] A muscle surrounding an opening, 



and contracting to close it. 

 Spi'reme (written also spi'rem). [L. spira, a coil.] The coiled or convoluted state 



of the chromatin in mitosis. 

 Spon'gioplasm. [G. spongos, a sponge, -f- plasm, q. v.] The part of the cytoplasm 



which is sponge-like in structure. 

 Squa'mous. [L. squama, a scale.] Scale-like. 

 Stel'late. [L. Stella, a star.] Star-shaped. 

 Stim'ulus, -uli. [L., a goad, spur, incitement.] Something which increases the activity 



of a cell or tissue. 

 Stria, -ae. [L., a furrow.] A stripe, streak, or linear mark. 

 Stria'tum. [L.] Stri'ated ; striped. 



Stro'ma, -mata. [G., a bed.] The framework of a cell or organ. 

 Sudoriferous. [L. sudor, sweat; fere, to bear or bring.] Sweat-producing. 

 Sudorip'arous. [L. sudor, sweat; parere, to bring forth, produce.] Sudoriferous. 

 Sul'cus, -ci. [L.] A long, narrow groove or channel. 



