释义 |
glomus noun[ C ] anatomy specializeduk /ˈɡləʊ.məs/ us /ˈɡloʊ.məs/pluralglomerauk /ˈɡləʊ.mər.ə/ us /ˈɡloʊ.mɚ.ə/ a connection or small group of connections between blood vessels: The glomus caroticum is a knot of blood vessels at the bifurcation of the common carotid artery. These are semi-malignant tumours arising from the glomus structures of the jugular bulb. See also
anastomosis a small mass of tissue, especially in the fingers, that helps prevent heat loss by moving blood away from an area that is cold: Glomus bodies are specialized aggregates of smooth muscle which exist on the digits and lateral aspects of the palms and soles. It is a special type of arteriovenous communication, with smooth muscle cells and glomus cells surrounding it. The glomus body is a part of the dermal layer of the skin and is thought to aid in temperature regulation. SMART Vocabulary: related words and phrases The circulatory system & blood ABO accessory pathway adventitia adventitial ANA auricle bicuspid valve femoral artery gamma globulin granulocyte haematogenous haemic haemodialysis phagocyte precava pulmonary artery pulmonary vein pulmonic Purkinje fibre tricuspid valve |