haemangioma or (esp US) hemangioma /hi-man-ji-ōˈmə/ noun

An angioma containing blood vessels

Haemanˈthus noun

(Gr anthos flower) the blood-flower, a S African amaryllid

haematemˈesis noun

(Gr emesis vomiting) vomiting of blood from the stomach

haematˈic adjective

Relating to blood

haeˈmatin noun

A brownish substance containing ferric iron obtained from oxyhaemoglobin or from dried blood

haematinˈic adjective

Having the effect of increasing the haemoglobin or of stimulating production of red blood cells

noun

A substance having this effect

haeˈmatite noun

A valuable iron ore, Fe₂O₃, often blood-red, with red streak

haeˈmatoblast noun

(Gr blastos a germ) a blood platelet

haeˈmatocele noun

(Gr kēlē a tumour) a cavity containing blood

haeˈmatocrit noun

1. (Gr kritēs judge) a graduated capillary tube in which the blood is centrifuged, to determine the ratio, by volume, of blood cells to plasma
2. This ratio

haematogenˈesis noun

Blood formation

haematogenous /-ojˈin-əs/ adjective

1. Producing blood
2. Produced by or arising in the blood
3. Spread through the bloodstream

haeˈmatoid adjective

Blood-like

haematolˈogist noun

haematolˈogy noun

The study of blood, diseases of blood, and blood-forming tissues

haematolˈysis noun

Haemolysis (qv below)

haematōˈma noun

A swelling composed of blood effused into connective tissue

haematophagous /-tofˈə-gəs/ adjective

(Gr phagein to eat) feeding on blood

haematopoiesis /-poi-ēˈsis/ noun

(Gr poieein to make) the formation of blood

haematopoietˈic adjective

haematōˈsis noun

1. The formation of blood
2. Conversion of venous into arterial blood

haematoxˈylin noun

A dye obtained from logwood

Haematoxˈylon noun

(Gr xylon wood) the logwood genus

haematūˈria noun

(Gr ouron urine) the presence of blood in the urine

haemˈic adjective

Haematic (qv above)

haeˈmin noun

The chloride of haematin

haemochromatoˈsis noun

(see ety for chroma, and -osis) a disease of the liver characterized by an excessive accumulation of iron and the development of fibrous tissue, and accompanied by bronzing of the skin

haemˈocoel noun

(LL coel, Gr koilos hollow) the central body-cavity of many invertebrates, including arthropods and molluscs

haemocoˈnia noun

(Gr koniā dust) blood-dust, small colourless granules in the blood

haemocyˈanin noun

(Gr kyanos blue) a blue respiratory pigment with functions similar to haemoglobin, in the blood of crustaceans and molluscs

haeˈmocyte noun

A blood cell, esp a red one

haemocytomˈeter noun

An instrument for measuring the number of cells in a volume of blood

haemodialˈysis noun

Dialysis of the blood using a kidney machine

haemoglōˈbin noun

(L globus a ball) the red oxygen-carrying pigment in the red blood corpuscles

haemoglobinopˈathy noun

Any of various blood disorders caused by changes in the molecular structure of haemoglobin

haemoglobinūˈria noun

(Gr ouron urine) the presence of haemoglobin in the urine

haeˈmolymph noun

(L lympha water) a fluid found in the haemocoel in most invertebrates, with functions similar to blood

haemolˈysis noun

(Gr lysis dissolution) breaking up of red blood corpuscles

haemolytˈic adjective

Relating to haemolysis (haemolytic disease of the newborn a disease of the newborn in which maternal antibodies cause haemolysis of the fetal red blood cells, often resulting in stillbirth, anaemia or jaundice)

haeˈmony noun

(prob Gr haimōnios blood-red) a plant with sovereign properties against magic, etc in Milton's poem Comus

haemophilˈia noun

(Gr phileein to like) a hereditary disease causing excessive bleeding when any blood vessel is even slightly injured

haemophilˈiac noun

Someone who suffers from haemophilia

haemophilˈic adjective

haemopoiēˈsis same as haematopoiesis above

haemopˈtysis noun

(Gr ptysis a spitting) the spitting or coughing up of blood from the lungs

haemorrhage /hemˈər-ij/ noun

1. (Gr haimorrhagiā, from rhēgnynai to burst) a discharge of blood from the blood vessels
2. A steady and persistent draining away (figurative)

intransitive verb

To lose blood from the blood vessels

transitive verb

To suffer a steady and persistent loss of (blood, resources, etc)

haemorrhagic /-rajˈik/ adjective

haemorrhoid /hemˈər-oid/ noun

(Gr haimorrhois, -idos, from rheein to flow; usu in pl) dilatation of a vein around the anus, piles

haemorrhoidˈal adjective

haemoˈstasis noun

Stoppage of bleeding or the circulation

haeˈmostat noun

1. An instrument for stopping bleeding
2. A chemical agent that stops bleeding

haemostatˈic noun and adjective

(Gr statikos, or hypothetical states causing to stand) styptic