STRUCTURE OF BONE Flashcards
The major proportion of Bone is formed by ___________, while it also includes _________ and some __________
Collagen Fibers
20% Water
Minerals
Collagen fiber strengthen bones with the calcium through ___________ or ___________
Calcification or Ossification
Terminal Region of Bone is called?
Epiphysis
Middle region of Bone is called?
Diaphysis
Between the middle and terminal region is _________ at both ends.
Metaphysis
The Epiphysis is a _________ or _________ part of Bone bcz it has pores in it.
Spongy or Cancellous
Epiphysis has small weight bearing crossed linked regions called as
Trabeculae
Epiphysis is filled filled ____________________ which produces __% Blood cells that forms about __% of the total mass of the Skeleton.
Red Bone Marrow
The external part of the diaphysis is called
Cortical Bone.
Cortical bones almost forms the __% of the Skeletal structure and consists of many small cylinders known as _______
80
Osteons
Each Osteon is made up of many ______, which are the concentric layers made up of an organic part _______ and inorganic part called ____________
Lamellae
Collagen
Hydroxyapatite
In the center of the osteons is ______________
Harvestian Canal
In the center of the bone is ________________ a hollow space lined by a honeycomb like structure called the _________ bone.
Medullary Canal
spongy or cancellous
the medullary Canal contains the _______________ which is the site of Blood cell production.
Bone marrow
The overall outer covering of bone is called?
Periosteum
The inner layer of bone is called?
Endosteum
What kind of cells does endosteum has?
Osteogenetic progenitor cells
Osteogenetic progenitor cells develops into?
Osteoblasts
Osteoblasts secretes what?
Bone matrix
Chondroblast secretes what?
Cartilage
