Merriam-Webster / MedlinePlus

Medical Dictionary

MedlinePlus Health Information Merriam-Webster OnLine
One entry found.

Main Entry: immune system
Function: noun
: the bodily system that protects the body from foreign substances, cells, and tissues by producing the immune response and that includes especially the thymus, spleen, lymph nodes, special deposits of lymphoid tissue (as in the gastrointestinal tract and bone marrow), lymphocytes including the B cells and T cells, and antibodies

Search here for another word:
Search Merriam-Webster OnLine


Pronunciation Key

\ schwa \ as a in abut
\ primary stressschwa secondary stressschwa \ as u in abut
\ schwa \ as e in kitten
\ schwar \ as ur/er in further
\ a \ as a in ash
\ schwa \ as a in ace
\ ä \ as o in mop
\ au dot \ as ou in out
\ b \ as in baby
\ ch \ as ch in chin
\ d \ as d in did
\ e \ as e in bet
\ primary stresse macron secondary stresse macron \ as ea in easy
\ e macron \ as y in easy
\ f \ as f in fifty
\ g \ as g in go
\ h \ as h in hat
\ i \ as i in hit
\ i macron \ as i in ice
\ j \ as j in job
\ k \ as k in kin
\ k underlined \ as ch in ich dien
\ l \ as l in lily
\ m \ as m in murmur
\ n \ as n in own
\ eng \ as ng in sing
\ o macron \ as o in go
\ o dot \ as aw in law
\ o doti \ as oy in boy
\ p \ as p in pepper
\ r \ as r in red
\ s \ as s in less>
\ sh \ as sh in shy
\ t \ as t in tie
\ th \ as th in thin
\ th \ as th in the
\ ü \ as oo in loot
\ u dot \ as oo in foot
\ v \ as v in vivid
\ w \ as w in away
\ y \ as y in yet
\ yü \ as you in youth
\ yu dot \ as u in curable
\ z \ as z in zone
\ zh \ as si in vision


© by Merriam-Webster, Incorporated