Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
Periosteum |
tough layer of connective tissue surrounding a bone. |
|
|
Haversian canal |
one of a network of tubes running through compact bone that contains blood vessels and nerves. |
|
|
ossification |
process of bone formation, during which cartilage is replaced by bone. |
|
|
myosin |
protein that makes up the thick filaments in striations in skeletal muscle cells. |
|
|
actin |
protein that mainly makes up the thin filaments in striations in skeletal muscle cells. |
|
|
neuromuscular junction |
point of contact between a motor neuron and a skeletal muscle cell. |
|
|
acetylchonline |
neurotransmitter that diffuses across a synapses and produces an impulse in the cell membrane of a muscle cell. |
|
|
epidermis |
outer layer of the skin. |
|
|
keratin |
tough, fibrous protein found in skin. |
|
|
melanin |
dark-brown pigment found in skin. |
|
|
hair follicle |
tubelike pocket of epidermal calls that extends into the dermis; cells at the base of hair follicles produce hair. |
|
|
dermis |
inner layer of the skin. |
|
|
tendons |
tough connective tissue that joins skeletal muscles to bones. |
|
|
joint |
place where one bone attaches to another. |
|
|
ligament |
strip of tough connective tissue that holds bones together at a joint. |
|
|
cartilage |
strong connective tissue that supports the body and is softer and more flexible than bone. |
|
|
vein |
in plants, a cluster of vascular tissue in leaves; in animals, a blood vessel that returns blood to the heart. |
|
|
valve |
flap of connective tissue between an atrium and a ventricle, or in a vein, that prevents backflow of blood. |
|
|
myocardium |
thick middle muscle layer of the heart; pumps blood through the circulatory system. |
|
|
pacemaker |
small group of cardiac muscle cells in the right atrium that "set the pace" for the heart as a whole; also known as the sinoatrial node. |
