A | B |
The ilium, ischium, and pubis fuse to form the __ _____ bones in adults. | os coxae |
Trochanters are unique to the _____ bone. | femur |
The ______ cavity is also more commonly called the mouth. | buccal |
The opening into the cranium that allows the spinal cord to enter is called the _______ ______ and is located in the occipital cranial bone. | foramen magnum |
The ________ is the skullcap or roof and walls of the cranium | calvaria |
The ________ suture is between the paritetal bones and the occipital bone. | lambdoid |
The external auditory meatus is an important landmark located in the ________ bone. | temporal |
The external occipital protuberance is an important surface landmark that marks attachment of the ______ ________ to the posterior occipital bone. | nuchal ligament |
The _____ _______ of the sphenoid bone houses the pituitary gland. | sella turcica |
The ________ bone is called the keystone of the cranial floor becasue it articulates with all other cranial bones. | sphenoid |
The _________ _____ of the ethmoid bone has numerous perforations to allow passage of the olfactory nerves from the nasal cavity to the brain. | cribiform plate |
The inferior half of the nasal septum is formed by the _____ bone | vomer |
The strongest bone of the skull, and the only one that moves is the ________. | mandible |
_________ are spaces between unfused skull bones in infants. | Fontanels |
The human body contains a total of __ vertebrae and __ intervertebral discs. | 33, 23 |
An abnormal posterior deviation of the spine is called ________. | kyphosis |
The row of bumps that you can feel down the midleine of your back are the _______ _________ of the vertebrae. | spinous processes |
The ______ ______ pass through the intervertebral foramen of the spinal column. | spinal nerves |
The outer ring of an intervertebral disc is made up of ______________. | fibrocartilage |
The anterior border of the body S1 is called the ______ _________ and is an important landmark for obstetricians. | sacral promontory |
Ribs 8-12, which either attach indirectly to the sternum via the costal cartilage of rib 7 or do not attach at all, are called _____ ribs. | false |
The flattened end of the clavicle is the ________ end. | acromial |
The shallow socket on the scapula that articulates with the head of the humerus is called the _______ ______. | glenoid cavity |
The capitulum of the humerus articles with the ______ bone | radius |
The bony "point" of the elbow is the _________. | olecranon |
The styloid process of the _____ forms the bump on your wrist proximal to the thumb. | radius |
The bones of the palm of your hand are the __________ bones | metacarpal |
The pelvic girdle is joined to the vertebral column at the __________ joint. | sacroiliac |
The prominent medial bulge of your ankle is formed by the ______ _________ of the tibia bone | medial malleolus |
The tarsal bone that articulates with the bones of the lower leg is the _____. | talus |
The ____ is a bony process unique to the second cervical vertebra that allows rotation of the head, as when you shake your head "no". | dens |
A nerve fiber consists of the ____ of a single neuron. | axon |
The __________ is the connective tissue covering that surrounds a fascicle. | perineurium |
The __________ wraps several fascicles together to form a nerve | epineurium |
The peripheral nerouse system consists of nerves and _______. | ganglia |
The _____ nerve is a unique cranial nerve in that it regulates most of the major viscera and not just structures of the head and neck. | Vagus |
There are __ pair of spinal nerves | 31 |
The _______ rami repeatly branch and anastamose to form nerve plexuses. | ventral |
The phrenic nerve arises from the ________ plexus | cervical |
The sciatic nerve arises from the ______ plexus. | sacral |
The ____________ division of the autonomic nervous system is also called the thoracolumbar division because the presynaptic neurons originate in the lateral horn of the spinal cord. | sympathetic |
A ______ _______ is a sense organ that monitors the length of a skeletal muscle and is stimulated by muscle relaxation. | muscle spindle |
____ _________ is the term used to describe a phenomenon in the sympathetic nervous system where one preganglionic neuron can excite multiple postganglionic neurons and therefore affect multiple organ systmes in the body at once. | Mass activation |
The _______ _______ is called a modified sympathetic ganglion because it secretes neurotransmitters (catecholamines) into the blood in response to stimulations from preganglionic sympathetic fibers. | adrenal medulla |
Most parasympathetic fibers reach their target organ by way of the _____ ___ nerve. | vagus (X) |
__________ fibers secrete norephinephrine and are usually postganglionic sympathetic fibers. | Adrenergic |
__________ receptors are found on all glands, smooth muscles, and cardiac muscles that receive cholinergic innervation. | Muscarinic |
__________ receptors function by means of a second messenger. | Adrenergic |
The thick folds of the cerebrum are called the ____. | gyri |
The anatomical landmark used to identify the end of the brainstem and the beginning of the spinal cord is the _______ ______. | foramen magnum |