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Bio 31 lecture 2 study guide
immune & lymphatic systems, axial & appendicular skeleton, & articulations
29
Anatomy
Undergraduate 2
09/16/2011

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Term
sulcus
Definition
groove in a bone with a tubular structure
Term
foramen
Definition
roughly, circular opening
Term
fossa
Definition
shallow cup like deppression
Term
fissure
Definition
narrow cleft in a bone
Term
diaphysis
Definition
shaft of a bone
Term
epiphysis
Definition
the 2 ends of a bone
Term
metaphysis
Definition
the junction of epiphysis to the shaft
Term
1 of 2 bone types
Definition
cortical (aka compact)
Term
1 of 2 bone types
Definition
trabecular (aka spongy)
Term
red & white blood cells are produced in which bone type
Definition
spongy/ trabecular
Term
cortical (compact) bone make up how much of our skeleton
Definition
80%
Term
trabecular (spongy) bone make up how much of our skeleton
Definition
20%
Term
osteocytes
Definition
mature bone cells
Term
osteoblasts
Definition
bone cells that are able to produce new substance
Term
osteoclasts
Definition
bone cells that break down bone
Term
function of immune system
Definition
protection from infection
Term
function of lymphatic system
Definition
return of interstitial fluid, absorption of digested fat
Term
feature of large lymphatic vessels
Definition
have one way valves to prevent leakage
Term
thoracic duct & right lymphatic duct
Definition
2 of largest vessels, empty into large vessels & veins of heart
Term
thoracic duct
Definition
receives lymph from the left side of the body superior to the diaphram and from both sides inferior to the diaphram
Term
right lymphatic duct
Definition
receives lymph from the right side of the body superior to the diaphram
Term
thymus (location & function)
Definition
-lies posterior to the manubrium.
-helps mature lymphocytes.
Term
lymphatic fluid
Definition
contains no red blood cells, some white blood cells
Term
Spleen (location & structure)
Definition
-located under the 9 and 11 rib
-white and red pulp
white pulp forms lymphoid nodules, red pulp screens & removes red blood cells
Term
B-cells
Definition
lymphocytes, becomes a plasmacyte, produces antibodies, targets antigens
Term
T lymphocytes
Definition
memory cells
Term
T8
Definition
Cytotoxic, natural killer cells attack foreign and body cells infected by viruses
Term
T4
Definition
helper cells
Term
meatus
Definition
end of canal or tunnel opening of canal
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