Meanings

sphygmomanometer (instrument used to measure blood pressure)

meat of a fish (e.g. tuna) that is dark red with blood, usu. coming from the parts close to the spine

bloodshed

thrombosis

serum injection

consanguineous marriage

blood clot

blood relation

anti-hypertensive agent

sedimentation (rate) of blood cells

bloody stool

blood vessel

serotherapy

being covered in blood

to smear with blood

way out

spurt of blood (from one's victim)

sepsis

bloodsucker

bloody bowel discharge