HYD- 
organisms or of certain organs to 
the stimulus of water (dzo/.). 
h 
or, Water; 
cup-like structure into which the 
polyp may withdraw, found in 
many Coclenterates 3; a product of 
the ectoderm 
hydrotropism ( pera répizm) m. [Gk. 
hydor, —e 
er; “repein, to turn.] 
Hydro 
hydrula “Chi'drool’) nm. [Gk. hydor, 
water. hypothetical simple 
polyp (00 
cua ‘(higréf'iliis) a. [Gk. 
hygros, wet ; dagen: to love.] In- 
habiting m or marshy places 
ot. 
hygrophyte (hi’gréfit) #. [Gk. Aygros, 
Ayton, plant.) A plant which 
lives and thrives under conditions 
ot.). 
hygroplasm (hi pena 2. [Gk. 
wet; 
of protoplasm; cf. stereoplasm 
hygroscopic o —— _ a. [Gk 
Ly g70S, W sk 0 regard 
Sensitive to. alee ot 
Sega (hildf’agiis) @. [Gk. 
— Baer ge to eat.] Eat- 
ing Ww appl. certain insects 
(good. . 
— (hi'lofit) #  [Gk. Ayle, 
_ 
phyton, plant.) A plant 
he ing in woods (402). 
ieuncenons (hildt’ ee a _ 
wood ; vemnein, to 
cutting ; appl. ine 
(zool. 
sere ht mén) #, [Gk. hymen, mem- 
bra A thin fold of mucous 
aieahs situated at the orifice 
of. the vagina (ava 
hymenial (himé'nial) a. (Gk, —? 
skin. ] - 7. hymenium (40 
e us (hi rete a [Gk. 
hymen, gem be wits to carry.] 
[Gk. 
hint 
or paraphyses 
ee 
hymenophore (hi‘ménéfor) #. [Gk. 
139 
HY P- 
—. skin ; pherein, to carry.) 
men portion of the sporo- 
shee of a fungus (407), 
hymenopterous (himéndp’tériis) 
[Gk. Aymen, skin ; i 
a membranous wings ; appl. 
— a 
np he ial (hi ‘sbring’ ki’ al) a. [Gk. 
3 ranch gills.] ert. gills 
and hyoi 
eee “(ht Toepiglot ik) a [Gk. 
efi, upon; glotta, tongue. i 
Connecting” the hyoid and the epi- 
Eh ote (ana. 
oglossal ns lds’4l) a. [Gk. T; 
epee to ongue. ert. tongue and 
hyoid (a. 
hyoeides, iv 
hyoid (ne oid), a. A 
sha 
base of the tongue an 
ea cates from my hyoid arch of 
0 (an 
hyoideus (hoi ti [Gk. hyoeides, 
Y-shaped.] ve which sup- 
plies the mucosa "of the mouth and 
the muscles of the hyoid region 
a 
sn 
hyomandibular (hi’émandib‘tlar) a. 
[Gk. T ; L. mandibulum, jaw.| Pert. 
d 
— of the hyoid pris in fishes 
ool.). 
nyomental Be! émén’tal) a. [Gk. T 
L. m chin.] Pert. hyoid aaa 
chin fa 
(hi’ éplis’trén) #. [Gk. 
T; ‘astron, Guat plate] The 
second lateral plate in the plastron 
of Chelonians (zoo/. 
hyosternum (hi’é sstérniim) 7. [Gk. 
T; cua, breast. e hyo- 
plastron (zoo. 3 
ostylie (hi dstil'ik) a. [Gk. T; 
y of the hyomandibular or 
corresponding ae 7.) 
hy id (hréthiroid) a. (Gk. T; 
othyroid (J : 
ee. shield ; eédos, like.] Pert. 
e hyoid — cg thyroid cartilages 
ot the lary: appl. structures 
associated with ‘hem (zool.). 
elomorph (hi palél’6mérf) 
{6 Gk. Aypfo, under; allelon, of i 
