UNILATERAL

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does unilateral mean? 

• UNILATERAL (adjective)
  The adjective UNILATERAL has 2 senses:

1. involving only one part or side

2. tracing descent from either the paternal or the maternal line only

  Familiarity information: UNILATERAL used as an adjective is rare.

 Dictionary entry details 

• UNILATERAL (adjective)

Sense 1

Meaning:

Involving only one part or side

Synonyms:

one-sided; unilateral

Context example:

a unilateral decision

Similar:

one-party (determined by a single party)

Antonym:

multilateral (having many parts or sides)

Sense 2

Meaning:

Tracing descent from either the paternal or the maternal line only

Similar:

direct; lineal (in a straight unbroken line of descent from parent to child)

 Context examples 

The face is the most frequently affected site and they are most often unilateral.

(Nevus Flammeus, NLM, Medical Subject Headings)

A rare, unilateral, benign or malignant embryonic neoplasm typically presenting as a cilliary body mass during childhood.

(Intraocular Teratoid Medulloepithelioma, NCI Thesaurus)

It may develop in an enlarged or normal ovary and in the vast majority of cases is unilateral.

(Ovarian Torsion, NCI Thesaurus)

A usually unilateral, benign and well circumscribed biphasic neoplasm that arises from the breast.

(Benign Breast Phyllodes Tumor, NCI Thesaurus)

The tumor is unilateral and the resection is complete or incomplete; ipsilateral lymph nodes are involved by tumor.

(INSS Stage 2B, NCI Thesaurus)

Grossly it is usually unilateral, firm and white or yellowish.

(Ovarian Brenner Tumor, NCI Thesaurus)

The majority of cases are sporadic, and usually unilateral.

(Benign Adrenal Gland Pheochromocytoma, NCI Thesaurus)

The tumor is unilateral and the resection is grossly incomplete; no evidence of lymph node involvement.

(INSS Stage 2A, NCI Thesaurus)

Unilateral BRAIN STEM lesions involving the cochlear nuclei may result in unilateral hearing loss.

(Central Hearing Loss, NLM, Medical Subject Headings)

It usually presents as a unilateral, firm, painless breast mass.

(Benign Phyllodes Tumor, NCI Thesaurus)