GLOSSARY. 



163 



state, characterised by the deposi- 

 tion of tubercle in the organs of the 

 body, and a tendency to swellings 

 of the lymphatic glands and un- 

 healthy ulceration. 



Sculp'ture (Lat. scul'po, I carve). 

 The art of carving or cutting wood 

 or stone into images of men, ani- 

 mals, &c. 



Scurvy (Lat. scorbu'tus). A diseased 

 state, characterised by an altered 

 state of the blood, and its effusion 

 either in livid patches under the 

 skin or in the form of haemorrhages 

 from the mucous membranes ; which, 

 especially in the mouth, become 

 spongy. 



Scu'tellated (Lat. scutel'la, a dish). 

 Formed like a pan : divided into 

 small surfaces. 



Scutellum (Lat. scu'tum, a shield). 

 A little shield. 



Scutibran'chiate (Lat. scu'tum, a 

 buckler ; Gr. &payx ia > bran'ckia, 

 gills). Having the gills covered 

 with a shell in the form of a shield ; 

 applied to an order of gasteropods. 



Scu'tifonn (Lat. scu'tum, a buckler ; 

 forma, shape). Shaped like a 

 buckler. 



Scu'tiped (Lat. scu'tum, a buckler ; 

 pes, a foot). Having the anterior 

 part of the legs covered with seg- 

 ments of horny rings. 



Sebac'eous (Lat. se'bum, tallow or 

 suet). Made of tallow ; resembling 

 suet ; secreting a suet-like matter. 



Sebac'ic (Lat. se'bum, tallow). Be- 

 longing to or obtained from fat. 



Se'cant(Lat. sec'o, I cut). Cutting; 

 in geometry, a line which divides 

 another into two parts ; in trigo- 

 nometry, a right line drawn from 

 the centre of a circle, and produced 

 until it meets a tangent to the same 

 circle. 



Secer'nent (Lat. secer'no, I separate). 

 Producing secretion. 



Secre'te (Lat. secer'no, I separate). 

 In physiology, to separate some 

 peculiar fluid or substance from the 

 blood or nutritive fluid. 



Secre'tion (Lat. secer'no, I separate). 

 In physiology, the separation of 

 some peculiar fluid or substance 



from the blood or nutritive fluid ; 

 the substance so separated. 



Secre'tory (Lat. secer'no, I separate). 

 Having the function of secreting 

 or separating some peculiar fluid or 

 substance. 



Sec'tile (Lat. se'co, I cut). Capable 

 of being cut. 



Sec'tion (Lat. se'co, I cut). A cutting ; 

 in geology, the plane which cuts 

 through any portion of the earth's 

 crust so as to show its internal 

 structure. 



Sec'tor (Lat. se'co, I cut). A part 

 of a circle lying between two radii 

 and an arc of the circle : a mathe- 

 matical instrument, formed of two 

 graduated rulers as radii, turning 

 in a joint which forms the centre 

 of a circle ; in astronomy, an in- 

 strument for measuring the zenith 

 distances of stars. 



Sector of a Sphere. The solid generated 

 by the revolution of the sector of 

 a circle round one of the radii, which 

 remains fixed. 



Sec'ular Inequalities. In astronomy, 

 the inequalities in the motions of 

 planets produced by the continual 

 accumulation of the residual pheno- 

 mena other than the variation in 

 their relative positions ; remaining 

 uncompensated after the disturbed 

 and disturbing bodies have passed 

 through all their atages of configu- 

 ration. 



Secunda'riae (Lat. secondary i.e. 

 pennce, feathers). The feathers 

 attached to the forearm in birds. 



Sec'undine (Lat. secun'dus, second). 

 In botany, the outer but one of the 

 coats of the ovule. 



Sed'iment (Lat. sed'eo, I settle down). 

 Matter settled down from suspen- 

 sion in water. 



Seed-leaf. A primary leaf; applied 

 to the expanded cotyledons or seed- 

 lobes. 



Seed-lobe. A cotyledon ; one of the 

 parts into which a seed, as the 

 common pea, splits. 



Seg'ment (Lat. sec'o, I cut). A part 

 cut off: in geometry, generally 

 applied to a part cut off from a 

 circle or sphere. 



