Part 676

HÊm`a*ta*chom"e*ter (- t*km"*tr), n. [HÊma- + Gr. tachy`s swift + -meter.] (Physiol.) A form of apparatus (somewhat different from the hemadrometer) for measuring the velocity of the blood.

HÊm`a*ta*chom"e*try (-tr), n. (Physiol.) The measurement of the velocity of the blood.

HÊm`a*tem"e*sis, n. Same as Hematemesis.

HÊ*mat"ic (h*mt"k), a. [Gr. a"imatiko`s] Of or pertaining to the blood; sanguine; brownish red.

HÊmatic acid (Physiol. Chem.), a hypothetical acid, supposed to be formed from hemoglobin during its oxidation in the lungs, and to have the power of freeing carbonic acid from the sodium carbonate of the serum. Thudichum.

HÊm"a*tin, n. Same as Hematin.

HÊm`a*ti*nom"e*ter, n. Same as Hematinometer.

HÊm`a*tin`o*met"ric, a. Same as Hematinometric.

HÊm"a*tite, n. Same as Hematite.

HÊm`a*tit"ic (hm`*tt"k), a. (Zoˆl.) Of a blood-red color; crimson; (Bot.) brownish red.

HÊm"a*to- (hm"*t- or h"- ), prefix. See HÊma-.

HÊm"a*to*blast` (-blst`), n. [HÊmato- + -blast.] (Anat.) One of the very minute, disk-shaped bodies found in blood with the ordinary red corpuscles and white corpuscles; a third kind of blood corpuscle, supposed by some to be an early stage in the development of the red corpuscles; -- called also blood plaque, and blood plate.

||HÊm`a*toc"ry*a (tk"r*), n. pl. (Zoˆl.) The cold-blooded vertebrates. ||Same as Hematocrya.

HÊm`*a*toc"ry*al (-al), a. Cold-blooded.

HÊm`a*to*crys"tal*lin, n. Same as Hematocrystallin.

HÊ`ma*to*dy`na*mom"e*ter (h`m*t*d`n*mm"*tr or hm`*t*dn`-), n. Same as Hemadynamometer.

HÊm`a*to*gen"e*sis (hm`*t*jn"*ss or h`m*t-), n. [HÊmato- + genesis.] (Physiol.) (a) The origin and development of blood. (b) The transformation of venous into arterial blood by respiration; hematosis.

HÊm`a*to*gen"ic (-jn"k), a. (Physiol.) Relating to hÊmatogenesis.

HÊm`a*tog"e*nous (-tj"*ns), a. (Physiol.) Originating in the blood.

HÊm`a*to*glob"u*lin, n. Same as Hematoglobulin.

HÊm"a*toid, a. Same as Hematoid.

HÊm`a*toid"in, n. Same as Hematoidin.

HÊ*mat"o*in (h*mt"*n), n. [HÊmato- + -in.] (Physiol. Chem.) A substance formed from the hematin of blood, by removal of the iron through the action of concentrated sulphuric acid. Two like bodies, called respectively hÊmatoporphyrin and hÊmatolin, are formed in a similar manner.

HÊ*mat"o*lin (-ln), n. See HÊmatoin.

HÊm`a*tol"o*gy (hm`*tl"*j or h`m-), n. The science which treats of the blood. Same as Hematology.

HÊm`a*tom"e*ter (-tm"*tr), n. [HÊmato- + -meter.] (Physiol.) (a) Same as Hemadynamometer. (b) An instrument for determining the number of blood corpuscles in a given quantity of blood.

||HÊm`a*to*phi*li"na (- t*f*l"n), n. pl. [NL., fr. Gr. a"i^ma, ||a"i`matos, blood +filei^n to love.] (Zoˆl.) A division of ||Cheiroptera, including the bloodsucking bats. See Vampire.

HÊm"a*to*plast` (-plst`), n. [HÊmato- + Gr. pla`ssein to mold.] (Anat.) Same as HÊmatoblast.