MS A&P Flashcards
_________ = reticular fibers and thick collagen fibers that surround the fascicles
perimysium
The multi-unit smooth muscle cells are found in the _____ of mammals and _________________
iris, walls of small blood vessels
___________ are groups of muscle fibers
fascicles
The two types of smooth muscles that can be found in the body are _______ and ________
visceral, multi-unit
The correct term for growth plates is _______ plates
epiphyseal
Where would you find a parallel (strap) muscle arrangement
Which muscle cell type is multi-nucleated?
skeletal
Which portion of muscle has the most stable attachment and undergoes minimal movement during muscle contraction
Origin
__________ is the membrane that covers the outer surface of all bones
periosteum
_________ are fibrous connective tissue bands that attach to both ends of a muscle
Tendons
_____ ___ can build up if there is not enough oxygen supply to the muscles (anaerobic metabolism)
Lactic acid
________ = muscle group that increases the angle of a joint
extensor
The _________ is the basic contracting unit of skeletal muscles
sarcomere
_________ = fine, reticular that surround each muscle fiber
endomysium
___________ = fibrous connective tissue layer that is composed of tough collagen fibers and surrounds groups of muscle fascicles
epimysium
A ________ is a hole in a bone. It may contain blood vessels and/or nerves
foramen
____________ type of bone that has tiny spicules of bones that appear randomly arranged
The _______ is the first cervical vertebrae and the _______ is the second cervical vertebrae
atlas, axis
A ________ is a depressed area on the surface of a bone
fossa
_________ _________ are channels through the bone matrix that contain blood vessels
Volkmann canals
Once surrounded by bone, osteoblasts are called ________
osteocytes
red bone marrow is responsible for forming ______ _____. It is mainly found in ________ animals
blood cells, ?
Yellow bone marrow is primarily composed of ________ connective tissue. It is the main bone marrow type of ______
adipose, ?
which muscle site undergoes the most movement during muscle contraction?
insertion
________ are the cells responsible for remodeling and removing bone
Osteoclasts
_________ and __________ are the two types of bone structure/density
canellous, compact
where would you find intramembranous bone formation?
Skull bones
What supplies the muscle fiber with their blood vessels and nerve supply?
connective tissue
The __________ generates the impulse that starts each heartbeat. It is located in the wall of the _______ _______
sinoatrial node (SA), right atrium
_________ are projections off a bone surface. An example of this is the spine of the scapula
processes
__________ = muscle groups that pulls a limb toward the midline
adductors
_________ are cells that produce bone
osteoblasts
Which type of muscle is responsible for moving the skeleton and is under voluntary control?
?
________ = muscle group that decreases the angle of a joint
flexor
What are the three different types of muscle that can be found in the body?
Skeletal, cardiac, and smooth
What is the all-or-nothing principle?
?
How does shivering increase heat production?
?
Where do you find compact bone?
?
What are the functions of bone?
supports the body and protects organs
What are the four basic bone shapes?
Long, short, flat, irregular