precapillary

precapillary

 [pre-kap´ĭ-lar″e]
1. located just to the arterial side of a capillary.

pre·cap·il·lar·y

(prē-kap'i-lār'ē),
Preceding a capillary; an arteriole or venule.

precapillary

/pre·cap·il·lary/ (-kap´ĭ-lar″e)
1. located just to the arterial side of a capillary.

pre·cap·il·lar·y

(prē-kap'i-lar-ē)
Preceding a capillary; an arteriole or venule.

precapillary

a vessel lacking complete coats, intermediate between an arteriole and a capillary.

precapillary sphincters
capillaries with a muscle layer which controls the flow of blood from the arterioles into the capillary bed.
References in periodicals archive ?
Precapillary pulmonary hypertension and sleep-disordered breathing: is there a link?
These features of multicompartment involvement, which often signal the presence of an underlying, systemic, autoimmune process, include unexplained intrinsic airways disease (including airflow obstruction, bronchiolitis, or bronchiectasis), unexplained pulmonary vasculopathy (such as precapillary pulmonary hypertension), and unexplained pleural or pericardial effusion or thickening resulting from inflammation of the serosal surfaces.
Raynaud's phenomenon (RP) refers to paroxysmal pallor or cyanosis, mainly of the digits of the hands or feet owing to cold-induced vasoconstriction of the digital arteries, precapillary arterioles, and cutaneous arteriovenous shunts [1,2].
CTEPH and PAH are both classified as precapillary pulmonary hypertension (PH) and have similar histopathological characteristics.
2,5,6) The disease tends to affect precapillary arterioles, and encephalopathy is usually the first clinical sign.
Detectableserum cardiactroponin Tas a marker of poor prognosis among patients with chronic precapillary pulmonary hypertension.
It has a post-capillary component (passive PAH) and a precapillary component.
Pulmonary arterial hypertension (PAH) is defined as a mean resting precapillary pulmonary artery pressure >25 mm Hg or >30 mm Hg with activity.
N-terminal pro-B-type natriuretic peptide as an indicator of disease severity in a heterogeneous group of patients with chronic precapillary pulmonary hypertension.
High N-terminal pro-brain natriuretic peptide levels and low diffusing capacity for carbon monoxide as independent predictors of the occurrence of precapillary pulmonary arterial hypertension in patients with systemic sclerosis.
Sleep apnea in precapillary pulmonary hypertension.