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haematosis (hem'ato'siTs) n. [Gk. 

 haimafoein, to change to blood.] 

 Blood-formation (phys.}. 



haeniatothermal (hgm'atothgr'mal) a. 

 [Gk. haima, blood ; thermos, warm.] 

 Warm-blooded (zool.). 



haematozoon (hgm'atb'zo'on) n. [Gk. 

 haima, blood ; zoon, animal.] Any 

 animal parasitic in the blood (zool.). 



haemic (hem'ik) a. [Gk. haima, 

 blood.] Pert, blood (phys.). 



haemin (hem'in) n. [Gk. haima, 

 blood.] Haematin hydrochloride 

 (Phys.). 



haeinochromogen (hem'okro'mb'jen) 

 n. [Gk. haima, blood ; chroma, 

 colour ; gignesthai, to produce.] 

 The colour producing component 

 of haemoglobin (phys.). 



haemocoele (hem'osel) n. [Gk. haima, 

 blood ; koilos, hollow.] An ex- 

 panded portion of the blood system 

 which replaces the true coelom 

 (*/.). 



haemocyanin (hern'osfanm), see 

 haematocyanin. 



haemocytolysis (hem'osltol'isis) n. 

 [Gk. haima, blood ; kytos, hollow ; 

 lyein, to dissolve.] The breaking 

 up of the red blood-corpuscle by 

 solution (phys.). 



haemocytotrypsis (hem'osl'totrip'sTs) 

 n. [Gk. haima, blood ; kytos, hol- 

 low ; tribein, to rub.] Breaking up 

 of blood by pressure (phys.). 



haemoerythrin (hem'derith'rin) . 

 [Gk. haima, blood ; erythros, red.] 

 A red pigment found in the blood 

 of Worms, etc., probably performing 

 the same functions as haemoglobin 

 (/.). 



haemoglobin (hem'oglo'bin) . [Gk. 

 haima, blood ; globos, sphere.] The 

 red colouring matter of blood 

 (phys.). 



haemoid (hem'oid) a. [Gk. haima, 

 blood ; eidos, resemblance.] Re- 

 sembling blood (phys.). 



haemolymph (hem'olimf) n. [Gk. 

 haima, blood ; lympke, fluid.] A 

 fluid found in the coelom of some 

 invertebrates, which is regarded as 

 equivalent to the blood and lymph 

 of the higher forms (zool.). 



haemolysin (hern'oll'sln) . [Gk. 

 haima, blood ; lyein, to dissolve.] 

 A substance developed in the blood 



serum capable of destroying red 

 blood-corpuscles (phys.}. 



haemolysis (hemol'lsTs), see haema- 

 tolysis. 



haemoplasmoclium (hem'oplasmo'- 

 dium) n. [Gk. haima, blood , 

 plasma, something moulded.] A 

 unicellular animal parasite of the 

 blood (zool.\ 



haemotropic (hem'otrop'ik) a. [Gk. 

 haima, blood ; trepein, to turn.] 

 Affecting or acting upon the blood 

 (Phys.}. 



haemozoin (he'mozo'In) n. [Gk. haima, 

 blood ; zoon, animal.] Granules 

 of a black pigment usually called 

 melanin, but without the chemical 

 characteristics of true melanin 

 (Phys.}. 



hair (har) n. [A.S. haer.] A thread- 

 like or filamentous outgrowth of the 

 epidermis of animals (zool.) ; any 

 outgrowth of the epidermis consist- 

 ing of one or more cells, and very 

 varied in shape (tot.}. 



hair cell, any of the columnar cells 

 bearing long stiff processes or hairs, 

 found in the inner ear near the 

 points of entrance of the nerve 

 fibres (anat.). 



hair follicle, the tubular sheath 

 formed by an invagination of the 

 epidermis and surrounding the 

 base of a hair (anat.}. 



hair worm, any of the small Nema- 

 todes (zool.). 



half-inferior, having the ovary but 

 partially adherent to the calyx 

 (bot.}. 



half-terete, rounded on one side, 

 flat on the other (&?/.). 



haliplankton (hal'fplang'kton) n. [Gk. 

 hals, the sea ;plangklos, wandering.] 

 The floating organisms in the sea ; 

 cf. limnoplankton. 



hallux (hal'uks) n. [L. hallux, the 

 great toe.] The first digit of the 

 hind-limb (anat.}. 



halobios (hal'obfos) . [Gk. hals, 

 sea ; bios, life.] The sum total of 

 living plants and animals in the 

 sea (biol.}. 



halolimnic (hal'olTm'nik) a. [Gk. 

 hals, sea ; limne, marsh.] Pert, or 

 referring to marine organisms 

 modified to live in fresh water 

 (zool.). 



