See Also: accessory portion of spinal accessory nerve(medicine)
Accessory(health)
Accessory(medicine)
accessory(dictionary)
accessory(dictionary)
accessory spleen(medicine)
Accessory neuropathy(health)
accessory process(medicine)
accessory placenta(medicine)
accessory pigment(medicine)

thrombin (iou) and accessory (iou)


thrombin (iou)



thrombin noun. L19.
[from Greek thrombos THROMBUS + -IN1.]
Biochemistry & Physiology. A plasma protein (normally present as inactive prothrombin) which acts as an enzyme to convert fibrinogen to fibrin and so cause the clotting of blood.

accessory (iou)



accessory noun & adjective. LME.
[medieval Latin accessorius adjective, from Latin access-: see ACCESS, -ORY2. Partly through Old & mod. French accessoire.]
A. noun.
1. An additional or subordinate thing; an adjunct, an accompaniment; a minor fitting or attachment; a small article of (usu. a woman's) dress. Now usu. in pl. LME.
2. A person who helps in or is privy to any act, esp. a crime. LME.
accessory before the fact, accessory after the fact Law (now Hist.) a person who helps to plan, conceal, a crime.
B. adjective.
1. Of a thing: additional; subordinately contributing, dispensable; adventitious. E17.
accessory mineral Geology a constituent mineral present in small quantity and not taken into account in identifying a rock. accessory nerve Anatomy either of the eleventh pair of cranial nerves, which supply certain muscles in the neck and shoulder.
2. Of a person: acceding to; participant, privy (to, esp. a crime). E17.
? See note s.v. ACCESSARY.
accessorial adjective of the Nature of an accessory; supplementary: E18.
accessorily adverb additionally; in the manner of an accessory LME.
accessorize verb trans. & intrans. provide or provide (oneself) with an accessory or accessories M20.