I NDKX 



UNGUL1GRADE, unngiu'ligrade (L. 



ungulii, hoof: gradu-s, walk), defini- 

 tion of 714 



UNIRAMOUS 315 



UNISERIAL, u'nise'rial (L. unus, one 



+ series, rank ) , definition of 707 



UNIT, biological 88 



Characters 165 



URACHUS, u'rakus (G. ouroti, urine 



+ ecfcew, to hold) 629 



URCEOLATA, ur'seola'ta (L. urceolus, 



small pitcher) 1^8 



UREA, ure'a (G. ouron, urine) 64 



URETER, yuree'ter {G. ouron, urine) 



.64, 85, 518, 810 



URETHRA, yuree'thrah (G. ouron, 



urine ) 



The canal from the bladder 



through which urine is discharged. 



URIC ACID 339 



URINIFEROUS TUBULES 6'.', 



URINOMETERS 38 



URNATELLA 310 



URO CHORD ATA, urokorda'ta (G. 



oura, tail + chorde, cord) .424, 430, 630 

 The group of pro-vertebrates in 



which the notochord is confined to 



the caudal region. 

 UROCYST, u'rosist (G. ouron, urine 



-(- kystis, a hollow), definition of. ..810 

 VRODELA, yu'rowdee'lah (G. oura, 



tail; delos, evident) 425, 647 



Amphibians with persistent tails. 

 UROGENITAL PLEXUS, urojen'ital 



(G. ouron, urine; L. genitalis, geni- 

 tal) 68 



Sinus 629. 824 



Systems 812. 8 J.I 



UROGLENA 150 



UROHYAL, urOhi'al (G. oura, tail + 



hyoeides, Y-shaped), definition of.. 740 

 UROPATAGIUM, fi'ropata'jiimi (G. 



oura, tail -+- patagium, border) . . . .320 

 UROPODS, u'ropods (G. oura, tail + 



pous, foot), definition of 314 



UROPYGIAL GLAND, uropij'ial (G. 



oura, tail; pyge, rump) 670 



UROSTYLE, yu'rowstyle (G. oura, 



tail ; stylos, column) 67, 72 



URSU8 ARCTU8, iir'sus firkins (L. 



iirsus, a bear) 7S// 



UTERUS, yu'terus (L. utrnix. womb) 

 .' 86. 8 1 8 



Masculinus 81 9 



UTRICULUS, yutrik'yuliis (L. a little 



bag) * ' 866, 807 



VACUOLES, vak'uolz (L. vacuus, 



empty ) , definition of 8P 



VAGINA, vajye'nah (L. a sheath) .... 



VAGUS, vay'gus (L. wandering) 68 



Ganglion . 65 



VALVK, vsilv (L. valva. fold) . . . 



Auriculo-ventricular 55 



Bicuspid, definition of 786 



Mitral, definition of.. .-786 



Spiral 55 



Spiral, definition of 754 



VALVES 



Of heart, how formed 



Semilunar 



Sinu-auricular 



Tricuspid 804 



VALVULA CEREBELLI, vfil'vula (L. 



valvula, a small fold) 857 



VAN HELMONT 380, 381 



VAX LEEUWENHOEK 



VARANUS 



Malvator 65* 



\'ARIATIOKH, vfi'riri'shun/ (L. va- 



riare, to change) 164, 402 



VAROLII, PONS 863 



\ ASA EFFERENTIA, va'sa efferen' 

 shefi (L. ras, a vessel; ex, from + 



ferre, to carry), definition of 610 



Vasorum 781 



VASCULARIZATION 629 



VASCULAR SYSTEM, vas'kular (L. 



vasculum. a small vessel ) 223 



VAS DEFEREN1S (L. vas -h deferre, 



to carry from), definition of 610 



VASTUS, vass'tus ( L. vast) 8ft 



VAUGHERIA 187, 207 



VEGETABLE POLE, definition of 10f> 



V r EIN, van (L. vena, vein) 53, 60 



Abdominal 



Ant. abdominal 5.J 



Artery and nerve 5 



Brachial 61 



Dorso-lumba r . 61 



Femoral '/8, 61 



Hepatic 61 



Hepatic portal 54, 61 



Iliac 61 



Musculocuta neons 5), 61 



Ovarian 61 



Pelvic 48, 61 



Postcaval 54, 61 



Precaval 54, 61 



Pulmo-cutaneous 5// 



Pulmonary 5-), 55, 61 



Renal ,., 61 



Renal portal '/8, 54, 61 



Sciatic 61 



Sinus venosus 5) 



Spermatic 61 



Transverse iliac 61 



Vesical 48, 61 



VELUM, vee'lum (L. veil), definition 



of .. .254 



Anterior medullarv, definition of. 85!) 



Of Hydra 251 



Medullare, definition of 841 



Palati, definition of 730 



Transversum. definition of. . .512, 85fi 



