Úńgirli dene – atalyq jynys múshesi denesiniń ár jaq boıyndaǵy keýekti qýystar. Erektsııa kezinde osy qýystardaǵy biryńǵaı salaly bulshyqet bosańsıdy, atalyq jynys múshesi arterııalary arqyly qan ótip, jáne qýys qanǵa tolyp keńeıtiledi. Keńeıgen qýystar venalardy (ádettegi jaǵdaıda atalyq jynys múshesi qandy shyǵarady) basý arqyly qandy ishinde ustap, atalyq jynys múshesin túzý etedi.

Eıakýlıatsııadan keıin nemese jynystyq qozý joǵalǵan soń arterııalar tarylyp, venalar keńeıedi, sodan soń qan qaıta ketedi. Atalyq jynys múshesi qatty emes bolyp qalady.

Atalyq jynys múshesin qanmen qamtamasyz etetin jáne odan qandy shyǵaratyn arterııa, sonymen birge venalardaǵy buzylystar erektsııamen baılanysty problemalarǵa alyp kelýi múmkin. Arterııalardaǵy buzylystar mynalardan bolýy múmkin:

•	Atalyq jynys múshesindegi arterııalardyń qataıýy (ateroskleroz).
Bul atalyq jynys múshesin qanmen toltyratyn arterııalardaǵy qan aǵymyn jaýyp tastaýy múmkin.
•	Dári-dármektiń janama áseri (mysaly, joǵary qysymǵa qarsy keıbir dári-dármekter).
•	Atalyq jynys múshesi úńgirli denesiniń venalarynan qannyń aǵýy.
