Hemal arch(Anat.), the ventral arch in a segment of the spinal skeleton, formed by vertebral processes or ribs.

Hemaphæin
(Hem`a*phæ"in) n. Same as Hæmaphæin.

Hemapophysis
(||Hem`a*poph"y*sis) n.; pl. Hemapophyses . [NL. 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 a.

Hemastatic
(Hem`a*stat"ic Hem`a*stat"ic*al) a. & n. Same as Hemostatic.

Hemastatics
(Hem`a*stat"ics) n. (Physiol.) Laws relating to the equilibrium of the blood in the blood vessels.

Hematachometer
(Hem`a*ta*chom"e*ter) n. Same as Hæmatachometer.

Hematein
(Hem`a*te"in) n. [Gr. blood.] (Chem.) A reddish brown or violet crystalline substance, C16H12O6, got from hematoxylin by partial oxidation, and regarded as analogous to the phthaleins.

Hematemesis
(||Hem`a*tem"e*sis) n. [NL., fr. Gr. a"i^ma, a"i`matos, blood + a vomiting, fr. to vomit.] (Med.) A vomiting of blood.

Hematherm
(Hem"a*therm) n. [Gr. a"i^ma blood + warm.] (Zoöl.) A warm- blooded animal. [R.]

Hemathermal
(Hem`a*ther"mal) a. (Zoöl.) Warm-blooded; hematothermal. [R]

Hematic
(He*mat"ic) a. Same as Hæmatic.

Hematic
(He*mat"ic), n. (Med.) A medicine designed to improve the condition of the blood.

Hematin
(Hem"a*tin) n. [Gr. 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.

Hematinometer
(Hem`a*ti*nom"e*ter) n. [Hematin + -meter.] (Physiol. Chem.) A form of hemoglobinometer.

Hematinometric
(Hem`a*tin`o*met"ric) a. (Physiol.) Relating to the measurement of the amount of hematin or hemoglobin contained in blood, or other fluids.

Hematinon
(He*mat"i*non) n. [Gr. 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) n. [L. haematites, Gr. bloodlike, fr. 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.

Hemal
(He"mal) a. [Gr. 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.


  By PanEris using Melati.

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