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URETHRA
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Irregular inflected form: urethrae
I. (noun)
Sense 1
Meaning:
Duct through which urine is discharged in most mammals and which serves as the male genital duct
Classified under:
Hypernyms ("urethra" is a kind of...):
canal; channel; duct; epithelial duct (a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance)
Meronyms (parts of "urethra"):
external orifice; urethral orifice (the orifice through which urine is discharged)
musculus sphincter urethrae; urethral sphincter (a striated sphincter muscle that constricts the urethra)
Holonyms ("urethra" is a part of...):
apparatus urogenitalis; genitourinary apparatus; genitourinary system; systema urogenitale; urinary apparatus; urinary system; urogenital apparatus; urogenital system (the system that includes all organs involved in reproduction and in the formation and voidance of urine)
urinary tract (the organs and tubes involved in the production and excretion of urine)
vulva (external parts of the female genitalia)
member; penis; phallus (the male sex organ ('member' is a euphemism))
Derivation:
urethral (of or relating to the urethra)
Context examples:
The inner most portion of the prostatic parenchyma surrounding the mid and proximal portions of the prostatic urethra where the ejaculatory ducts enter the urethra.
(Periurethral Zone of the Prostatic Parenchyma, NCI Thesaurus)
The peripheral zone contains large, so-called main glands, whose ducts run posteriorly to open into the urethra.
(Peripheral Zone of the Prostatic Parenchyma, NCI Thesaurus)
Abnormal malignant growth of cells in the urethra (lower urinary tract)that has spread either into adjacent tissue or to a distant site.
(Metastatic Neoplasm of the Urethra, NCI Thesaurus)
In females, this abnormality is even rarer and is characterized by the presence of an elongated urethra that has developed too far anteriorly.
(Epispadias, NCI Thesaurus)
A rare cancer that forms in the part of the urethra that is closest to the outside of the body.
(Distal urethral cancer, NCI Dictionary)
Urologists can pass instruments through the scope to carry out procedures inside the urethra and bladder.
(Cystoscope, NCI Thesaurus)
The distensible sac-like organ that functions as a reservoir of urine, collecting from the kidneys and eliminating via the urethra.
(Bladder, NCI Thesaurus)
A malignant neoplasm that affects the portion of the urethra that is close to the outside of the body.
(Anterior Urethral Malignant Neoplasm, NCI Thesaurus)
A disease in which malignant (cancer) cells are found in the part of the urethra (the tube through which urine leaves the body) that is closest to the outside of the body.
(Anterior urethral cancer, NCI Dictionary)
The portion of the urethra that extends from the meatus to the membranous urethra.
(Anterior Portion of the Urethra, NCI Thesaurus)
