SEG 



377 



SEM 



ing, splitting into segments or 

 divisions. 



segregate, a., seg'r%g>at (L. seg- 

 rfydtum, to set apart, to separate 

 from se, aside ; gregarZ, to 

 collect into a flock), in bot., 

 separated from each other ; hav- 

 ing no organic connection though 

 frequently associating together. 



Selachia, n. plu., sel-ak'-i-d, also 

 Selachii, n. plu., seldk'-i-i (Gr. 

 seldchos, a cartilaginous fish), the 

 Sub -order of Elasmobranchii, 

 comprising the Sharks and Dog- 

 fishes. 



SelaginacesB, n. plu., s&l-adf-tn- 

 d''S$-e (L. seldgo, a plant resem- 

 bling the savin tree, gen. seldg- 

 Inis), a small Order or group of 

 herbaceous or shrubby plants, 

 nearly related to the verbenas 

 also called Globulariacese : Sel- 

 ago, n., sZl-ag'-o, a genus of 

 pretty plants: Selaginella, n., 

 sel-adj'in-Zl'la, a genus of plants, 

 Ord. Lycopodiacese. 



sella Turcica, sU'-ld terlslk-d (L. 

 sella, a seat; Turcicus, of or from 

 Turkey), the part of the sphenoid 

 bone supposed to resemble a 

 Turkish saddle ; also called sella 

 equina, ^k'Wln'-d (L. equinus, 

 pert, to a horse); and s. sphen- 

 oides, sfen-oyd'-ez (Gr. sphen, a 

 wedge; eidos, resemblance), a deep 

 depression of the sphenoid bone 

 which lodges the pituitary body. 



3emecarpus, n., sZm'-e-kdrp'-ua 

 (Gr. semeion, a mark or sign ; 

 karpos, fruit), a genus of plants, 

 Ord. Anacardiacese, the black 

 acrid juice of whose nuts is used 

 by the natives in marking cotton 

 cloths: Semecarpus anacardium, 

 an'-ob-kcLrd'-i-um (Gr. ana, like ; 

 kardid, the heart), the marking 

 nut tree which supplies the Sylhet 

 varnish. 



semen, n., sem'&n (L. semen, seed 

 from sero, I sow), the seed of 

 animals; the fluid secreted in the 

 testicles; seminal, a., sZm'm- 

 radical ; in bot., applied to the 



cotyledons or seed-leaves, or to 

 portions of the generative appar- 

 atus. 



semi-amplexicaul, a., sem'4-dm 

 pteks'-ik-awl (L. semi, half; Eng. 

 amplexicaul), in bot., partially 

 clasping the stem. 

 semi-anatropal, a., s^m'-i-an-at'* 

 rop'dl (L. semi, half; Eng. anat- 

 ropal), in bot., half-anatropal 

 applied to ovules. 

 semi-flosculous, a., 8%m''i-fl6*k f >ul* 

 us (L. semi, half; Eng. fioscul- 

 ous), having the florets ligulate, 

 as in the Dandelion. 

 semi-lunar, a., semf'i-ldn^dr (L. 

 semi, half; luna, the moon), 

 having the form of a half moon : 

 semi-lunar cartilage, two plates 

 of cartilage situated around the 

 margin of the head of the tibia. 

 semi-membranosus, a., s$m f 4-memf' 

 brdn-oz'-us (L. semi, half ; mem- 

 brana, skin or membrane), half- 

 membranous ; one of the muscles 

 of the thigh which bend the leg 

 so named from the flat mem- 

 brane-like tendon at its upper 

 part. 



seminiferous, a., sem'-in-lf-^r-us 

 (L. semen, seed ; fero, I bear), 

 secreting and conveying the 

 seminal fluid ; in bot. , bearing 

 seed. 



semi-nude, a., s&m't-nud' (L. semi, 

 half ; Eng. nude), in bot. , having 

 the ovules or seeds exposed, as in 

 Mignonette. 



semi-penniform, a., s&m r -i'p&n''ni' 

 form (L. semi, half; penna, a 

 feather ; forma, shape), in anat., 

 applied to certain muscles bearing 

 some resemblance to the plume of 

 a feather. 



semi-spinalis, a., semf'i-spin-dl'is 

 (L. semi, half; spina, a spine}, 

 in anat. , applied to the muscles 

 which connect the transverse and 

 articular processes to the spinous 

 processes of the vertebrae : semi- 

 spinalis dorsi, dors'-l (L. dor sum, 

 the back, dorsi, of the back), 

 half -spinal muscle of the back ; 



