ULN- 



336 



UNC- 



ulnar (ul'nar) a. [L. ulna, elbow.] 

 Pert, ulna ; appl. artery, nerve, 

 vein, bone (anat.}. 



ulnar neryure, a radiating or cross 

 nervure in the wing of Insects (zool.). 



ulnare (ulna're, ulna'ra) n. [L. ulna, 

 elbow.] The bone in the proximal 

 row of carpals lying at the distal 

 end of the ulna (anat.}. 



ulnocarpal (ulnokar'pal) a. [L. 

 ulna, elbow ; carpus, wrist.] Pert. 

 the ulna and carpus (anat.). 



ulnoradial (ulnora'dial) a. [L. ulna, 

 elbow ; radius, radius.] Pert, the 

 ulna and radius (anat.). 



ulotrlchous (ulot'rikus) a. [Gk. oulos, 

 woolly ; thrix, hair.] Having 

 woolly or curly hair. 



ultimobranchial bodies, a pair of 

 gland rudiments derived from the 

 fifth pharyngeal pouches, which 

 later degenerate and leave no 

 vestiges (emb.). 



umbel (um'beT; n. [L. umbella, dim. 

 of umbra, shade.] An arrangement 

 of flowers or of polyps springing 

 from a common centre and forming 

 a flat or rounded cluster (zool., dot.). 



umbellate (um'bglat) a. [L. umbella, 

 shade.] Arranged in umbels (dot., 

 zool.). 



umbelliferous (um'belif'erus) a. [L. 

 umbella, shade ; ferre, to carry.] 

 Producing umbels (dot.). 



umbelliform (umbeTlform) a. [L. 

 umbella, shade ; forma, shape.] 

 Shaped like an umbel (hot., zool.). 



umbelliferous (um'belij'e'rus) a. [L. 

 umbella, shade ; gerere, to carry.] 

 Bearing flowers or polyps in um- 

 bellate clusters (hot., zool.). 



umbellula (umbgl'ula) n. [L. um- 

 bellula, dim. of umbella, shade.] 

 The name given to a large cluster 

 of polyps at the tip of an elongated 

 stalk or rachis (zool.). 



umbellulate (umbeTulat) a. [L. um- 

 bellula, umbel.] Arranged in 

 umbels and umbellules (zool., dot.). 



umbellule (umbeTul) n. [L. um- 

 bellula, umbel.] A small or second- 

 ary umbel (zool., bot.). 



umbilical (um'bilr'kal, umbil'ikal) a. 

 [L. umbilicus, navel.] Pert, the 

 navel, or umbilical cord ; appl. 

 arteries, veins, tissues, vesicle 

 (emb.). 



umbilical cord, the navel cord con- 

 necting embryo with placenta 

 (anat.) ; the prolongation by which 

 the ovule is attached to the placenta 

 (bot.). 



umbilicate (umbil'ikat) a. [L. um- 

 bilicus, navel.] Having a central 

 depression ; navel-like. 



umbilicus (um'bill'kus, umbil'ikus) n. 

 [L. umbilicus, navel.] The navel ; 

 the central abdominal depression at 

 the place of attachment of umbilical 

 cord (anat.) ; the hilum (bot.) ; a 

 basal depression of certain spiral 

 shells ; either of the two openings 

 near the base of a feather (zool.). 



umbo (um'bo) n. [L. umbo, a shield- 

 boss.] A protuberance like the 

 boss of a shield (bot.) ; the beak 

 or older part of a bivalve shell 

 (zool.). 



umbonate (um'bb'nat) a. [L. umbo, 

 a shield-boss.] Having a conical 

 or rounded protuberance. 



umbraculiferous (umbrak'ulif'eriis) a. 

 [L. umbraculum, dim. of timbra, 

 shade.] Bearing an umbrella-like 

 organ or structure (bot.). 



umbraculiform (umbrak'uliform) a. 

 [L. umbraculum, umbrella ; forma, 

 shape.] Shaped like an expanded 

 umbrella (bot.). 



umbraculum (umbrak'ulum) n. [L. 

 umbraculum, umbrella.] Any um- 

 brella-like structure (bot.). 



umbrella (umbreTa) n. [L. umbella, 

 dim. of umbra, shade.] The con- 

 tractile disc of a Jelly-fish (zool.). 



unciferous (unsif'erus) a. [L. uncus, 

 hook ; ferre, to carry.] Bearing 

 hooks or hook- like processes (zool.). 



unciform (un'siform) a. [L. uncus, 

 hook ; forma, shape.] Shaped like 

 a hook or barb (zool., bot.) ; appl. 

 process of the .ethmoid bone (anat.). 



unciform, ;/. The unciform or hama- 

 tum of the wrist (anat.). 



uncinate (un'sinat) a. [L. uncimis, 

 hook.] Unciform. 



uncinate process, a backwardly 

 directed process occurring on the 

 ribs of Birds ; also a downwardly 

 directed process of the ethmoid 

 (anat., zool.). 



uncinus (un'sinus) n. [L. uncinus, 

 hook.] Small hooked, or hook- 

 like, structure ; one of the small 



