GAS 
from Dr. White many years ago, whofe flowers we cannot 
aford for diffection, and therefore have borrowed the above 
account of their internal parts from our accurate friend 
Mr. Brown. The roo’ is parafitical on thofe of othe er plants, 
branched, and jointed. Stalé ees ret, a foot 
high, fmooth, leaflefs, bearing two di et abrupt, 
ies membranous fheaths. Clufler ae fimple, of 
r feven drocping, pale blufh-coloured flowers, refem- 
bling ee ve Seamus ipa but fmaller, and highly re- 
arkable na order for having a tubular oe 
c one leaf, gee in Ae combines what we have taken 
See Cssenintes, 
am: 
g 
"ris lat 
affinity with Sat tyriim ge a tl of ear us 
ferred is Swartz to Lansdoru Sce Eprro S. 
GASTR ODYNIA, in Medicine from yasits 
ae and ¢ cauyn, pain, is aterm applied by the nofologitts 
@ thole varieties of pain in the flomack, which arife inde- 
oe : a refs the fame idea 
by the v tialgia 3 while Sauvages a a Cullen employ 
oth the a rms, aloe an arbitrary diftinction in their ac- 
ee of them, Sauva aces citingwihe cardialgia from 
e€ 
out any fuch om oft 
of Dr. Cullen, ae reitricted the term penis to wha t is 
sae — by the word deart-burn, 18 more gene- 
rally a “For thofe pains that are either acute or 
punge a cE * accompanied with a fente of diftention 
conitriCtion, if they are at the fame time not attended with 
any fenfe of acrimony or heat, I employ the appellation 
gaftrodyaia, ‘To cxprefs thofe painful or unealy fenfations 
which feem to arife from a fenfe cri 
acrids, whether externally or internally applied, often gives, 
I employ the term of cardialgia ; and by this I particularly 
mean to denote thofe feelings sohich are as by the 
term Aeart-burn in the Englith lang rage.” ullen, 
S ae § 1427. Sauvag ges, Nofol. Me a “Clafs <i. 
21. Hoffma , Medi cina Rat. tom. uu. gu. 
pea 2 y The Englifh aa pee in the icra fLomach- 
colic, &c. are fynonymous with ga vftrodynia, which alfe 
ae thofe more obtufe and chronic pains, which ac- 
company the organic derangements of the apertures of that 
vifcus, or of its coats. = o Reis which 
ri€tly denotes a painful a of the colon, or great 
ete has been imprope ay tr eed oe in, connected 
with the other abdominal or: 
Pain in the flamach is occaioned by a variety of matters 
taken into it, and by various morbid epapanaae of its 
coats; fo that De, Cullen, cesta ag it as a mere fymp- 
tom, las not allowe gaftrocynia a place in his Be Sree 
is more efpecially eae naeie y him as 
oms which i indicate a de 
eftive power of the fto aa 
cafe it is accompanied by other indications © 
fame debilit Yr as by a dif tae of wind, a fenfe of weight 
and fullnefs after meals, belching, naufea, foul tongue, &c. 
(See InnicgsTion.) The pain, na fuch circumftances 
is excited fometimes by over-diitention of the fibres of the 
ficmach by flatulence, (Gaitrodynia Hate of Sauvages, ) 
er by irregular {pafmodic coatraction of fome portion of the 
organ, (G. /pafmodica,) as occurs In ce bowels in colic 5 9 
GAS 
by the prefence of an overload of undigefted aliment, (G. 
faburralis); or of worms ; or of bile, or other acrimonious 
fecretion, (G. vermincfa uae bitiofa of the fame author.) 
as been well obferved by Dr. Pemberton, in his 
Treatife on various Difeafes of the abdominal 
Vilcera,’? that the pain in the ftomach, connected with i 
dyfpeptic flate of i ft it, ome cafes, when 
ane on 131 ated o 
the application of food in the one inftance, oe = ie a 
holding it in the other, leads us to infer a difference in the 
proximate caufe of the pain, and in | the nature of the reme- 
dies —, to cure it, in the two cafes at pain, 
Dr. Pemberton remarks, “ ee is molt felt a the {to- 
mach is a , feems to arife from an altered and increafed 
eens of the glands of the mucous membrane of that 
This fluid, by its acrimony (if I may be allowed 
the exprefflion) irritates the nerves of the ftomach, and thus 
caufes pain. When it is fecreted in {mall quantities, it may 
be fo prises by nek ae that is taken, as to render it 
inert; or n it is fec in larger quantitics, it may be 
thrown ce zaling # cen t pain, by vomiting ; and iz in 
this {tate it ciate what is callid pyrofis, or water brafb.’ 
(Loc. cit. p. 101.) 
‘© The pain of the flomach, which is moft felt when it is 
full, would appear to arife from my of the mufculaz 
coat of that sees and not to be at all conneéted with the 
- glandular {ecretions of it ; for unlefsthe pain be called forth 
b 
chan Hane: from the o eee of diveftion nm. 
attended with fympathetic head-ache ; it feems particularly 
to attack chlorotic women, and hypo chendriacak men ; ; lam 
therefore rea iy eli 
mufcular e 
innitability of all cae ae ar parts in an ogo ge: 
and I think that the advantage derived from 
treatment hereafter Sa a willadd pees lea 
to this opinion.” (P. 
The Ellon dingrofte ‘fymptoms, on which this form of 
gaftr may e difcriminated from the pain arifing from. 
organic feats - the ate are Rated by the author juit 
rae by the pain oo being per _ i ae the food 
is fwallowed, by the feat of the pain not being confined to 
one fpot, and by there having exifted cee derange- 
ment — to the ftomach affeCtion ; whereas, in ftriGure 
of the cardia, the conftitution is fubfequently affected. It 
may be difinguie d fro ae rrhus or cancer of the ftomach,. 
bei 
of conftant pain ; and in oie, what is brou up from 
the flomach is ufually very offenfive, and is alfo more or lefs- 
of a dark brown hue. 
mong the exciting caufes of pain in the ftomach, the 
fwallowing of poifenous and indigeftible fubftances, which,. 
b 
y their chemical or mechanical properties, injure the tex- 
ture, and irritate the nerves of the nuft not be 
omitted. Thefe occafion the gaftrodvnia a veneno, and G.- 
2 peregrins of Sauvages. Not tion e pu and. 
corrofive {ubftances, denominated ns, fuch as arfenic, 
poi 
mercurial, — and other metallic falts, - eee 
mineral acids, &c. operate in this way; but ev. draftic 
drugs given for the aeee of exciting seers or cathar-. 
tic 
