AGENESIS

Pronunciation (US):

(GB):

 Dictionary entry overview: What does agenesis mean? 

• AGENESIS (noun)
  The noun AGENESIS has 1 sense:

1. imperfect development; nondevelopment of a part

  Familiarity information: AGENESIS used as a noun is very rare.

 Dictionary entry details 

• AGENESIS (noun)

Sense 1

Meaning:

Imperfect development; nondevelopment of a part

Classified under:

Nouns denoting natural processes

Synonyms:

agenesia; agenesis

Hypernyms ("agenesis" is a kind of...):

nondevelopment (failure of normal development to occur)

 Context examples 

A rare congenital brain malformation disorder characterized by agenesis or hypoplasia of the cerebellar vermis, cystic dilatation of the fourth ventricle, and enlargement of the posterior fossa.

(Dandy-Walker Malformation, NCI Thesaurus)

Representative examples include gonadal agenesis, dysgenesis, and hypogonadism.

(Non-Neoplastic Gonadal Disorder, NCI Thesaurus)

Representative examples include pneumonia, chronic obstructive pulmonary disease, pulmonary failure, tracheitis, and tracheal agenesis.

(Non-Neoplastic Respiratory Disorder, NCI Thesaurus)

Representative examples include tracheitis, tracheal agenesis, and tracheal atresia.

(Non-Neoplastic Tracheal Disorder, NCI Thesaurus)

In cases of isolated corpus callosum agenesis, symptoms may be absent or minimal.

(Corpus Callosum Agenesis, NCI Thesaurus)

Representative examples include pulmonary hypoplasia, pulmonary agenesis, congenital lobar emphysema, and alveolar capillary dysplasia.

(Congenital Lung Malformation, NCI Thesaurus)

Agenesis/Aplasia describes the absence of an organ due to the lack of formation and development of its primordium in the embryo.

(Aplasia of the Mouse Prostate Gland, NCI Thesaurus/MMHCC)

A sporadic genetic syndrome characterized by agenesis of the corpus callosum, infantile spasms, and chorioretinal lacunae.

(Aicardi Syndrome, NCI Thesaurus)

A rare genetic syndrome characterized by agenesis of the corpus callosum, polydactyly, mental and motor retardation.

(Acrocallosal Syndrome, NCI Thesaurus)

Representative examples include renal hypoplasia, renal agenesis, accessory kidney, absence of ureter, atresia of bladder neck, and atresia of urethra.

(Congenital Abnormality of the Urinary System, NCI Thesaurus)