sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a … Medical dictionary
sac — I. noun Etymology: French, literally, bag, from Latin saccus more at sack Date: 1741 a pouch within an animal or plant often containing a fluid < a synovial sac > • saclike adjective II. abbreviation sacrifice … New Collegiate Dictionary
Synovial — Syn*o vi*al, a. [Cf. F. synovial.] (Anat.) Of or pertaining to synovia; secreting synovia. [1913 Webster] {Synovial capsule}, a closed sac of synovial membrane situated between the articular surfaces at diarthrodial joints. {Synovial fluid},… … The Collaborative International Dictionary of English
Synovial capsule — Synovial Syn*o vi*al, a. [Cf. F. synovial.] (Anat.) Of or pertaining to synovia; secreting synovia. [1913 Webster] {Synovial capsule}, a closed sac of synovial membrane situated between the articular surfaces at diarthrodial joints. {Synovial… … The Collaborative International Dictionary of English
Synovial fluid — Synovial Syn*o vi*al, a. [Cf. F. synovial.] (Anat.) Of or pertaining to synovia; secreting synovia. [1913 Webster] {Synovial capsule}, a closed sac of synovial membrane situated between the articular surfaces at diarthrodial joints. {Synovial… … The Collaborative International Dictionary of English
Synovial membrane — Synovial Syn*o vi*al, a. [Cf. F. synovial.] (Anat.) Of or pertaining to synovia; secreting synovia. [1913 Webster] {Synovial capsule}, a closed sac of synovial membrane situated between the articular surfaces at diarthrodial joints. {Synovial… … The Collaborative International Dictionary of English
synovial membrane — n the dense connective tissue membrane that secretes synovial fluid and that lines the ligamentous surfaces of joint capsules, tendon sheaths where free movement is necessary, and bursae * * * the membrane, composed of mesothelium and connective… … Medical dictionary
synovial — synovial, ale (si no vi al, a l ) adj. Terme d anatomie. Qui a rapport à la synovie. Les sacs synoviaux. Membranes synoviales, membranes analogues aux séreuses par leur disposition, mais qui en diffèrent en ce que le fluide qu elles sécrètent… … Dictionnaire de la Langue Française d'Émile Littré
Synovial cyst, popliteal — A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane lined sac filled with synovial fluid that has escaped from the joint. Commonly called Baker’s cyst … Medical dictionary
synovial membrane — synovium the membrane, composed of mesothelium and connective tissue, that forms the sac enclosing a freely movable joint (see diarthrosis). It secretes the lubricating synovial fluid … The new mediacal dictionary
