MAC- 



173 



MAC- 



cell possessing the enzyme macro- 

 cytase (phys.). 



macrophyllous (mak'rofil'us) a. [Gk. 

 makros, large ; phyllon, leaf.] Hav- 

 ing elongated leaves or leaflets 

 (bot.). 



macropodous (makrop'ddus) a. [Gk. 

 makros, large \pous, foot.] Having 

 a long stalk, as a leaf or leaflet ; 

 having the hypocotyl large in pro- 

 portion to the rest of the embryo 

 (&>/.). 



macropterous (makrop'te'rus) a. [Gk. 

 makros, large \pteron, wing.] With 

 unusually large fins or wings 

 (zool.). 



macroschizogony (mak'roshizog'oni) 

 . [Gk. makros, large ; schizein, 

 to cleave ; gone, generation.] 

 Method of multiplication of the 

 macroschizonts (zool.). 



macroschizont (mak'roshiz'ont) n. 

 [Gk. makros, large ; schizein, to 

 cleave.] A stage in the life-cycle 

 of certain Haemosporidia de- 

 veloped from a sporozoite, and 

 giving rise to a number of macro- 

 merozoites (zool.). 



macroscopic (mak'roskop'ik) a. [Gk. 

 makros, large ; skopein, to view.] 

 Visible to the naked eye. 



macrosepalous (mak'rosep'alus) a. 

 [Gk. makros, large ; sepalon, sepal.] 

 With specially large sepals (dot.). 



macroseptum (mak'rose'p'tum) n. 

 [Gk. macros, large ; L. septum, 

 division.] A primary or perfect 

 septum of the Anthozoa (zool.). 



macrosmatic (mak'rosmat'ik) a. [Gk. 

 makros, large ; osme, smell.] With 

 well - developed sense of smell 



macrosomatous (mak'rosom'atus) a. 

 [Gk. ma&ros, large ; soma, body.] 

 Possessing an abnormally large 

 body. 



inacrosporangiophore(rnak'r6sp6ran'- 

 jlofor) n. [Gk. makros, large ; 

 sporos, seed ; anggeion, vessel ; 

 pherein, to bear.] A structure 

 bearing a macrosporangium (hot.}. 



macrosporangium (mak'rosporan'- 

 jium) n. [Gk. makros, large ; sporos, 

 seed ; anggeion, vessel.] A spor- 

 angium developing macrospores or 

 megaspores (bot.). 



macrospore (mak'rdspor) . [Gk. 



makros, large ; sforos, seed.] A 

 large anisospore or gamete of 

 Sarcodina (zool.) ; one of the larger 

 spores of heterosporous plants (&>/.). 



macrosporophore (mak'rospo'rofor) n. 

 [Gk. ma&ros, large ; sporos, seed ; 

 pherein, to bear.] A leafy lobe 

 developing macrosporangia (dot.}. 



macrosporophyll (mak'rospo'rofil) n. 

 [Gk. makros, large ; sporos, seed ; 

 phyllon, leaf.] Macrosporophore. 



macrosporozoite (mak'rospo'rozo'it) n. 

 [Gk. makros, large ; sporos, seed ; 

 zoon, animal.] A larger endo- 

 gamous sporozoite of Sporozoa 



macrostomatous (mak'rostom'atus) a. 



[Gk. makros, large ; stoma, mouth.] 



With very large mouth. 

 macrostylospore (mak'rostl'lospor) n. 



[Gk. makros, large ; stylos, pillar ; 



sporos, seed.] A large spore-like 



stalked body (dot.). 

 macrostylous (mak'rostl'lus) a. [Gk. 



makros, large ; stylos, pillar.] With 



long styles (&?/.). 

 macrotherm (mak'rothgrm) n. [Gk. 



makros, large ; therme, heat.] A 



tropical plant ; a plant requiring 



heat and moisture (bot.\ 

 macrotous (makro'tus)'a. [Gk. makros, 



large ; ous, an ear.] With large 



ears (zool.~). 

 macrotype (mak'rotip) n. [Gk. makros, 



large ; L. typus, a typej A modi- 



fied arrangement of Anthozoan 



mesenteries containing more macro- 



mesenteries than the normal micro- 



type (zool.). 

 macrozoogonidium(mak'r6z6'6gonld'- 



ium) n. [Gk. makros, large ; zoon, 



animal ; gone, generation.] A large 



zoogonidium (dot.). 

 macrozoospore (mak'rozo'ospor) . 



[Gk. makros, large ; zoon, animal ; 



sporos, seed.] A large motile 



spore. 

 macula (mak'ula) //., maculae ni.ik'- 



ula) plu. [L. macula, spot.] A 



spot or patch of colour ; a small 



pit or depression ; a tubercle 



(anat.). 

 macula lutea, the yellow spot of 



the retina, an oval yellowish area 



in the centre of the posterior part 



of the retina at the point of most 



perfect vision (anat.). 



