Exam 1 - Bursae

Question 1

Bursa

Answer 1

closed normally collapsed sac of serous membrane - delicate connective tissue capable of secreting fluid for lubrication

allows one structure to move more freely over another

Question 2

where is bursa usually found

Answer 2

near joints and between bone

Question 3

tendon sheath

Answer 3

elongated bursa that wraps around a tendon, enclosing it as an osseofibrous tunnel that anchors the tendon in place

the tendon sheath is the donut and the tendon fits in the donut hole

Question 4

what is a collapsed bursal sac

Answer 4

surrounds the heart, lungs, and abdominal viscera

think of it as wrapping a large half deflated water balloon around a structure (fist). —the object or organ is surrounded by two layers but NOT inside the balloon

Question 5

what are the two surfaces of the deflated balloon that is wrapped around an object/organ

Answer 5

viceral: the surface of the balloon touching the organ

parietal: the surface of the balloon touching the body wall

Question 6

what are the mesenteries in the bursal sac

Answer 6

the transitional fold from the viceral and parietal