DICTIONARY OF BIOLOGICAL EQUIVALENTS 



Urd-Ver 



Urdarmstrang m. (embryol.): primitive 

 gut cord. 



Urei n. primordial egg. 



Urfaden m. protonema. 



Urfels m. primitive rock. 



Urflosse/. primitive fin; archipterygium. 



Urfliigler wi.pZ. (ent.) : Pseudoneuroptera. 



Urfurche/. primitive cleavage furrow. 



Urgebirge n. primitive mountain or 

 rocks. 



urgeschichtlich a. prehistoric. 



Urgesteinverwitterungsböden m.pl. origi- 

 nal soils derived from weathering of 

 primitive rocks. 



Urkeim m. primitive germ. 



Urleitbündel n. central cylinder. 



Urmund m. blastopore. 



Urmeristem n. promeristem. 



Urmundränder m.pl. (embryol.): lips of 

 the blastopore. 



Urne /. urn (of moss capsule). 



Umiere /. mesonephros; head-kidney. 



Umierenfeld n. mesonephric area. 



Umierengeschlechtsfalte /. urogenital 

 fold. 



Umierenkanälchen n. mesonephric tu- 

 bule. 



Umierenleiste /. Wolffian ridge. 



Urschleim m. protoplasm. 



Ursegment n. mesodermic somite; primi- 

 tive segment. 



Ursegmenthöhle/. cavity of the primitive 

 segment. 



Ursegmentleiste/. somite ridge. 



Ursegmentstiel m. primitive segment 

 stalk. 



Ursprung m. origin; starting point. 



Ursprungshöhe/, level of origin. 



Urtiere/, protozoa. 



Urwald m. virgin forest, primeval forest. 



Urwirbel m. provertebra; somite. 



Urzeugung /. spontaneous generation. 



Uterusglocke /. bell-shaped uterus. 



Vacuolenhaut /. tonoplast. 



Vacuolenhöhle /. vacuole; peripheral 

 cavity in stem of Equisetum. 



Vacuolenwand /. tonoplast. 



Vaginalpalpen pi. (ent.): articulated ap- 

 pendages of ovipositor. 



Variationsbreite /. amplitude of varia- 

 tion. 



Variationsfeld n. variation field (the 

 area under the curve). 



Variationskurve/, frequency curve. 



Variationsmerkmal n. varietal character. 



Variationsreihe /. distribution of varia- 

 tions; frequency distribution. 



Variationsweite/, amplitude of variation. 



Vasalpriman m. protoxylem element. 



Vegetationsbilder n.pl. pictures of vege- 

 tation. 



Vegetationskegel m. vegetation cone. 



Vegetationskuppe /. vegetative cone. 



Vegetationspunkt m. growing point. 



Vegetationsring m. annual ring; annual 

 increment. 



Vegetationsstockwerke n.pl. (ecol.) : sto- 

 reys of vegetation. 



vegetieren v. to live; to grow. 



Veilchengewächse n.pl. Violaceae. 



Velarfeld n. velar area. 



Venenast m. branch of a vein. 



Venenklappe /. valve of a vein. 



Venenstamm m. trunk of a vein. 



Venenverästelung/, ramification of veins. 



ventrale Lappen m.pl. ventral lobes; 

 (orn.): ventral teeth (feather). 



Ventralfurche/, ventral suture (of ovule). 



Ventralschale /. ventral valve. 



Ventralschuppe /. ventral lobe or scale. 



Ventralwärtswanderung/. ventral migra- 

 tion. 



Ventrikelschenkel m. ventricular limb of 

 heart. 



Venusgürtel m. Cesium veneris. 



Verallgemeinerung /. generalization. 



veränderlich a. changeable; variable. 



Veränderungsfähigkeit /. alterability. 



Veranlagungstypus m. genotype. 



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