Biology 241 – Lecture
Homework Assignment #2
Draw and Label a CHILD’S LONG BONE; include a brief statement about each item.
Here are the 5 Regions and 10 Structures you must specifically address in the sketch, with your
labels, and in your brief narrative:
I.
5 Regions:
1)
2)
3)
4)
5)
Proximal Epiphysis
Proximal Metaphysis*
Diaphysis
Distal Metaphysis*
Distal Epiphysis
(* Note: These regions will assume different forms depending on the age and stage of
development of the individual.)
II. 10 Structures:
III.
1) Articular cartilage (and what tissue subtype/type it is composed of)
2) Spongy bone (and what structural unit goes with this type of osseous c.t.)
(Also, what substance is contained within it)
3) Compact bone (and what structural unit goes with this type of osseous c.t.)
4) Epiphyseal plate (in a child’s bone)
5) Medullary cavity (and what substance is contained within it)
6) Specific type of bone marrow
7) Periosteum – including the TWO layers of which it is composed
8) Endosteum – including the TWO layers of which it is composed
9) Nutrient foramen
10) (Perforating) Nutrient blood vessels
Presentation: Type or keyboard your narrative on one side using plain white paper (use
more than one side if necessary) and draw your illustration on the other
side using colored pencils to differentiate between structures.
IV. DUE DATE: This assignment is due before LECTURE on Thursday, April 30th, 2009