HYP 



208 



HYP 



hyperostosis, n., 

 (Gr. huper, over ; osteon, a bone), 

 an unnatural growth or projec- 

 tion from a bone ; same as * exos- 

 tosis. ' 



hyperplasia, n . , hlp'-er -plas'-i- a 

 (Gr. huper, over ; plasso, I form), 

 the excessive multiplication of 

 the elements of a part. 



hyperpyrexia, n., hip'er-pir-eks' 

 i-d (Gr. huper, over ; Eng. pyr- 

 exia), the temperature of any 

 body when over 106 F. 



hypertrophy, n., hlp-er'-trdf-i 

 (Gr. huper, over ; trophe, food, 

 nourishment), excessive growth 

 of a part ; an increase of size in 

 the healthy structure of an organ, 

 due to increased exercise or 

 nutrition, as in the arms of a 

 blacksmith, or in the limbs of an 

 athlete; in bot., enlargement of 

 organs. 



hypha, n., hif'-a, hyphas, n. plu., 

 hlf-e (Gr. huphe, weaving), the 

 filamentous tissue in the thallus 

 of lichens : hyphal, a., hif-al, 

 pert, to a filamentous tissue. 



Hyphasne, n., hlf-en'% (Gr. huph- 

 aino, I weave), a genus of orna- 

 mental palm trees, Ord. Palmae : 

 Hyphaene thebaica, the-bd'ik'd 

 (L. Thebaicus, of or from Thebes, 

 in Egypt), the doom-palm of 

 Egypt, whose pericarp has the 

 taste of gingerbread, and is used 

 as food. 



hyphasma, n., hif'az'-ma, (Gr. 

 huphe, weaving), in bot., a web- 

 like thallus of Agarics ; the 

 mycelium of certain fungi ; same 

 sense as ' hypha. ' 



Hypnum, n. , hip'num (Gr. hupnon, 

 moss or lichen), the most extensive 

 genus among mosses, Ord. Musci 

 or Bryacese, known by their 

 prostrate, pinnated, bright green 

 branches. 



hypocarpogean, a., hip'o-kdrp'o- 

 je<dn (Gr. hupo, under ; karpos, 

 fruit; ge, earth), in bot., pro- 

 ducing their fruit below ground, 

 as in the ground nut. 



hypochilium, n., 

 (Gr. hupo, under ; cheilos, the 

 lip), in bot. , the lower part of the 

 labellum when it is divided, as in 

 Orchids. 



hypochondrium, n., hip'-d-Wri'- 

 dri'Um, also hypochondria, n., 

 -dri-d (Gr. hupochondria, the 

 viscera that lie under the cartilage 

 of the ribs from hupo, under ; 

 chondros, cartilage), the part of 

 the belly under the short ribs 

 containing the liver and spleen ; 

 a disease characterised by un- 

 easiness about the region of the 

 stomach and liver : hypochon- 

 driasis, n., hip'6'kon-dri'as'is, a 

 form of insanity in which the 

 patient converts an idea of 

 purely mental origin into what 

 appears to him to be a real 

 material change ; a morbid self- 

 consciousness similar in some 

 respects to hysteria, but with the 

 belief in the patient that he is 

 suffering under numerous severe 

 diseases : hypochondriac, a. , hip 

 O'kdnd'-ri-ak, affected by severe 

 depression of spirits : n., one who 

 is suffering under severe de- 



Eressiou of spirits ; a sufferer 

 :om hypochondriasis. 



hypocotyledonary, a., hip'-o-kot 

 il-ed'-tin-ar-i (Gr. hupo, under ; 

 Eng. cotyledon), in bot., applied 

 to peculiar thickened roots whose 

 structure it is often difficult to 

 determine, and which have the 

 aspect of stems. 



hypocraterifonn, &.,hip'6'lcrat''er r ' 

 i-ftirm (Gr. hupo, under ; krater, 

 a cup ; L. forma, shape), in bot. , . 

 shaped like a saucer or salver, as 

 the corolla of primula. 



hypodermic, a., hlp'-d'derm'ik^T. 

 hupo, under ; derma, the skin), 

 applied or inserted under the 

 skin : hypodenna, n., hlp'-d- 

 derm'-a,, in bot., the layers of 

 tissue lying beneath the epiderm- , 

 is, and serving to strengthen it : 

 hypodermis, n., hlp'-d'dermf'is, in 

 bot., the inner layer of moss thecse. 



