Chapter 3 Primary Words Flashcards
(172 cards)
Ossification
Membranes and cartilage turn into bone, forms bones, 3 months old
Periosteum
(pher-ee-OSS-tee-um)
Tough fibrous tissue that forms the outermost covering of bone
Peri means surrounding, -oste means bone
Compact Bone
Cortical Bone
Dense, hard, and very strong bone that forms the protective layer of bones
Spongy Bone
Cancellous Bone
Porous, lighter and weaker than compact bone
Medullary Cavity
Central cavity located in the shaft of long bones, surrounded by compact bone
Endosteum
Tissue that lines the medullary cavity
End means within, oste means bone, -um is a noun ending
Hematopoietic
Pertaining to the formation of blood cells
Red Bone Marrow
Hematopoietic tissue that manufactures red blood cells, hemoglobin, white blood cells, and thrombocytes
Yellow Bone Marrow
Fat storage area
Cartilage
Smooth, rubbery, blue-white connective tissue that acts as a shock absorber
Articular Cartilage
Covers the surface of bones where they come together, to form joints
Meniscus
Curved, fibrous cartilage found in some joints like the knee
Diaphysis
The shaft of a long bone
Epiphyses
(ep-PIF-ih-seez)
Wider ends of long bones like the femurs of the leg
Foramen
An opening in a bone through which blood vessels, nerves, and ligaments pass
Process
Normal projection on the surface of the bone that most commonly serves as an attachment for a muscle or tendon
Joints
Articulations
Place of union between two or more bones
Fibrous Joints
Consisting of inflexible layers of dense connective tissue, holds bones tightly together
Fontanelles
Soft spots
Normally present on skulls of newborns, felible, soft spots so they can be birthed
Cartilaginous Joints
Allow only slight movement and consist of bones connected entirely by cartilage
Pubic Symphysis
Allows some movement to facilitate childbirth
Synovial Joint
Created where two bones articulate to permit a variety of motions
Ball and socket Joints
Hips or shoulders, allow wide range of motion
Hinge Joints
Knees or elbows, allow movement in primarily one direction or plane