Hemadrometer, Hemadromometer Hem`a·drom"e·ter, Hem`a·dro·mom"e·ter noun [
Hema- + Greek ... course +
- meter .]
(Physiol.) An instrument for measuring the velocity with which the blood moves in the arteries.
Hemadrometry, Hemadromometry Hem`a·drom`e·try, Hem`a·dro·mom"e·try noun (Physiol.) The act of measuring the velocity with which the blood circulates in the arteries; hæmotachometry.
Hemadynamics He`ma·dy·nam"ics noun [
Hema- +
dynamics .]
(Physiol.) The principles of dynamics in their application to the blood; that part of science which treats of the motion of the blood.
Hemadynamometer He`ma·dy"na·mom"e·ter noun [
Hema- +
dynamometr .]
(Physiol.) An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury; -- called also a hæmomanometer .
Hemal He"mal adjective [ Greek
a"i^ma blood.]
Relating to the blood or blood vessels; pertaining to, situated in the region of, or on the side with, the heart and great blood vessels; -- opposed to neural . » As applied to vertebrates,
hemal is the same as
ventral , the heart and great blood vessels being on the ventral, and the central nervous system on the dorsal, side of the vertebral column.
Hemal arch (Anat.) ,
the ventral arch in a segment of the spinal skeleton, formed by vertebral processes or ribs.
Hemaphæin Hem`a·phæ"in noun Same as Hæmaphæin .
Hemapophysis Hem`a·poph"y·sis noun ;
plural Hemapophyses . [ New Latin See
Hæma- , and
Apophysis .]
(Anat.) The second element in each half of a hemal arch, corresponding to the sternal part of a rib. Owen. --
Hem`a*po*phys"i*al adjective
Hemastatic, Hemastatical Hem`a·stat"ic, Hem`a·stat"ic·al adjective & noun Same as Hemostatic .
Hemastatics Hem`a·stat"ics noun (Physiol.) Laws relating to the equilibrium of the blood in the blood vessels.
Hematachometer Hem`a·ta·chom"e·ter noun Same as Hæmatachometer .
Hematein Hem`a·te"in noun [ Greek ..., ..., blood.]
(Chemistry) A reddish brown or violet crystalline substance, C 16 H 12 O 6 , got from hematoxylin by partial oxidation, and regarded as analogous to the phthaleins.
Hematemesis Hem`a·tem"e·sis noun [ New Latin , from Greek
a"i^ma ,
a"i`matos , blood + ... a vomiting, from ... to vomit.]
(Medicine) A vomiting of blood.
Hematherm Hem"a·therm noun [ Greek
a"i^ma blood + ... warm.]
(Zoology) A warm- blooded animal. [ R.]
Hemathermal Hem`a·ther"mal adjective (Zoology) Warm-blooded; hematothermal. [ R]
Hematic He·mat"ic adjective Same as Hæmatic .
Hematic He·mat"ic noun (Medicine) A medicine designed to improve the condition of the blood.
Hematin Hem"a·tin noun [ Greek
a"i^ma ,
a"i`matos , blood.]
1. Hematoxylin. 2. (Physiol. Chem.) A bluish black, amorphous substance containing iron and obtained from blood. It exists the red blood corpuscles united with globulin, and the form of hemoglobin or oxyhemoglobin gives to the blood its red color.
Hematinic He`ma·tin"ic noun [ From
Hematin .]
(Medicine) Any substance, such as an iron salt or organic compound containing iron, which when ingested tends to increase the hemoglobin contents of the blood.
Hematinometer Hem`a·ti·nom"e·ter noun [
Hematin +
-meter .]
(Physiol. Chem.) A form of hemoglobinometer.
Hematinometric Hem`a·tin`o·met"ric adjective (Physiol.) Relating to the measurement of the amount of hematin or hemoglobin contained in blood, or other fluids.
Hematinon He·mat"i·non noun [ Greek
a"i^ma ,
a"i`matos , blood.]
A red consisting of silica, borax, and soda, fused with oxide of copper and iron, and used in enamels, mosaics, etc.
Hematite Hem"a·tite noun [ Latin
haematites , Greek ... bloodlike, from
a"i^ma ,
a"i`matos , blood.]
(Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron , oligist iron , rhombohedral iron ore , and bloodstone . See Brown hematite , under Brown .
Hematitic Hem`a·tit"ic adjective Of or pertaining to hematite, or resembling it.
Hemato Hem"a·to See Hæma- .
Hematocele He·mat"o·cele noun [
Hemato- + Greek ... tumor: confer French
hématocèle .]
(Medicine) A tumor filled with blood.
Hematocrya Hem`a·toc"ry·a noun plural [ New Latin , from Greek
a"i^ma ,
a"i`matos , blood +
kry`os cold.]
(Zoology) The cold-blooded vertebrates, that is, all but the mammals and birds; -- the antithesis to Hematotherma .
Hematocrystallin Hem`a·to·crys"tal·lin noun [
Hemato +
crystalline .]
(Physiol.) See Hemoglobin .
Hematoid Hem"a·toid adjective [
Hemato- +
-oid .]
(Physiol.) Resembling blood.
Hematoidin Hem`a·toid"in noun (Physiol. Chem.) A crystalline or amorphous pigment, free from iron, formed from hematin in old blood stains, and in old hemorrhages in the body. It resembles bilirubin. When present in the corpora lutea it is called hæmolutein .
Hematology Hem`a·tol"o·gy noun [
Hemato- +
-logy .]
The science which treats of the blood.
Hematoma Hem`a·to"ma noun [ New Latin See
Hema- , and
-oma .]
(Medicine) A circumscribed swelling produced by an effusion of blood beneath the skin.
Hematophilia Hem`a·to·phil"i·a (-to*fĭl"ĭ*ȧ)
noun [ New Latin , from Greek
a"i^ma ,
a"i`matos , blood +
filei^n to love.]
(Medicine) A condition characterized by a tendency to profuse and uncontrollable hemorrhage from the slightest wounds.
Hematosin Hem`a·to"sin noun (Physiol. Chem.) The hematin of blood. [ R.]
Hematosis Hem`a·to"sis noun [ New Latin , from Greek
a"ima`twsis .]
(Physiol.) (a) Sanguification; the conversion of chyle into blood. (b) The arterialization of the blood in the lungs; the formation of blood in general; hæmatogenesis.
Hematotherma Hem`a·to·ther"ma noun plural [ New Latin , from Greek
a"i^ma ,
a"i`matos , blood +
thermo`s warm.]
(Zoology) The warm-blooded vertebrates, comprising the mammals and birds; -- the antithesis to hematocrya .
Hematothermal Hem"a·to·ther"mal adjective Warm- blooded.
Hematoxylin Hem`a·tox"y·lin noun Hæmatoxylin.
Hematuria Hem`a·tu"ri·a noun [ New Latin See
Hema- , and
Urine .]
(Medicine) Passage of urine mingled with blood.
Hemautography Hem`au·tog"ra·phy noun (Physiol.) The obtaining of a curve similar to a pulse curve or sphygmogram by allowing the blood from a divided artery to strike against a piece of paper.
Hemelytron Hem·el"y·tron (? or ?),
Hem*el"y*trum (- trŭm confer Elytron , 277), }, noun ; plural Hemelytra [ New Latin See Hemi , and Elytron .] (Zoology) One of the partially thickened anterior wings of certain insects, as of many Hemiptera, the earwigs, etc.
Hemeralopia Hem`e·ra·lo"pi·a noun [ New Latin , from Greek ..., the opposite of ...; ... day + ... of .... See
Nyctalopia .]
(Medicine) A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight. » Some writers (as Quain) use the word in the opposite sense,
i. e. , day blindness. See
Nyctalopia .
Hemerobian Hem`er·o"bi·an noun [ Greek ... day + ... life.]
(Zoology) A neuropterous insect of the genus Hemerobius , and allied genera.
Hemerobid He·mer"o·bid adjective (Zoology) Of relating to the hemerobians.
Hemerocallis Hem`e·ro·cal"lis noun [ New Latin , from Greek ...; ... day + ... beauty.]
(Botany) A genus of plants, some species of which are cultivated for their beautiful flowers; day lily.
Hemi- Hem"i- [ Greek "hmi- . See Semi- .] A prefix signifying half .
Hemi-demi-semiquaver Hem`i-dem`i-sem"i·quaver noun [
Hemi- +
demi-semiquaver .]
(Mus.) A short note, equal to one fourth of a semiquaver, or the sixty-fourth part of a whole note.
Hemialbumin Hem`i·al·bu"min noun [
Hemi- +
albumin .]
(Physiol. Chem.) Same as Hemialbumose .
Hemialbumose Hem`i·al"bu"mose` noun [
Hemi- +
albumose .]
(Physiol. Chem.) An albuminous substance formed in gastric digestion, and by the action of boiling dilute acids on albumin. It is readily convertible into hemipeptone. Called also hemialbumin .
Hemianæsthesia Hem`i·an`æs·the"si·a noun [
Hemi- +
anæsthesia .]
(Medicine) Anæsthesia upon one side of the body.
Hemibranchi Hem`i·bran"chi noun plural [ New Latin See
Hemi- , and
Branchia .]
(Zoology) An order of fishes having an incomplete or reduced branchial apparatus. It includes the sticklebacks, the flutemouths, and Fistularia.