7-35. Development of bone in place of cartilage begins from: b. perichondral ossification
7-36. The first stage of the direct osteogenesis is characterized by the formation of: b. skeletogenous islets
7-37. Growth of tubular bone in width takes place because of: a. periosteum
7-38. Growth of tubular bone lengthwise takes place because of: c. metaepiphyseal cartilaginous plate
7-39. What joint cells take part in the formation of matrix of articular cartilage and in production of proteoglycans and hyaluronic acid as components of synovial fluid: a. synovial fibroblasts (B-cells)
7-40. Special features of articular cartilage: d. it is not capable of regeneration
7-41. At present, transplantation of the articular cartilage is widely used owing to its immunological resistance. How can you explain this fact: a. low permeability and absence of vessels
7-42. Syndesmosis is union of bones by means of: a. dense fibrous connective tissue
7-43. Synchondrosis is union of bones by means of: e. cartilaginous tissue
7-44. Synostosis is union of bones by means of: d. bone tissue
7-45. Fibrous ring of intervertebral disks consists of: d. fibrocartilage
7-46. Fibres, content of which increase within gelatinous nucleus of intervertebral disk, with age: a. collagen
7-47. Fibrous tunic of the joint capsule consists of: a. dense fibrous connective tissue
7-48. Integumentary layer of synovial membrane of the joint capsule is lined by: c. one to six layers of synoviocytes
7-49. Function of A-cells of superficial layer of synovial membrane is: a. resorption of synovial fluid
7-50. Function of B-cells of superficial layer of synovial membrane is: b. secretion of proteoglycans and hyaluronic acid into synovial fluid