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Anatomy
Skeletal System
| Term | Definition |
|---|---|
| shaft of a long bone | diaphysis |
| fibrous connective tissue membrane | periosteum |
| the ends of a long bone | epiphyses |
| cause lengthwise growth of a long bone | epiphyseal plate |
| mature bone cells | osteocytes |
| within the bone matrix where osteocytes live | lacunae |
| the lacunae are arranged in concentric circles called____ around _____ | lamellae, haversian canals |
| tiny canals that radiate outward from the central canals to all lacunae | canaliculi |
| in babies, the skeleton is mostly composed of? | hyaline cartilage |
| the process of bone formation | ossification |
| bone-forming cells | osteoblasts |
| the process by which bones increase in diameter | appositional growth |
| bone-destroying cells | osteoclasts |
| T or F? the patella is classified as an irregular bone | false |
| T or F? the fetus is made up of articular cartilage | false |
| T or F? yellow marrow occupies the medullary cavity of long bones in adults | True |
| T or F? lamellae are the tiny cavities that house the osteocytes | false, lacunae |
| T or F? there are 7 pairs of true ribs, 3 pairs of false ribs, and 2 pairs of floating ribs in the typical thorax | true, should add up to 12 |
| The radial head articulates with the _________ of the humerus | capitulum |
| The anterior process of the scapula is the _____________. | coracoid process |
| The lateral depression of the scapula is the ___________. This articulates with the humeral head | Glenoid cavity |
| The trochlear notch is located on the proximal end of the ____ and is situated between the ________ process and _________ process of this bone. | ulna; coranoid; olecranon |
| The __________ of the wrist is the most commonly fractured carpal. | navicular |
| the _________ if the wrist is the carpal bone located in the distal row on the medial side. | hamate |
| The __________, _________ and _________ make up each ossa coxae. | ileum, ischeum, pubis |
| there are ________ tarsal bones in each foot and ____ carpal bones in each wrist. | 7 ; 8 |
| There are _____ fontanels in an infants skull. | 6 |
| There are _____ facial bones and ____ cranial bones. | 14, 8 |
| Which of the following are not located in the axial skeleton? A. skull B. scapula C. Spine D. ribs | B. scapula |
| the vertical canals of the bones are known as the : | Haversian canals |
| ______________ is known as the process of widening of bone through osteoblastic activity. | appositional growth |
| There are ______ thoracic vertebrae in the typical skeleton. | 12 |
| The purpose of the sacral foramina is : | to allow the lower extremities to be innervated |
| there are two necks of the humerus. the most proximal is the _________ neck | anatomical |
| When in anatomical position, the _______ of the humerus can be seen in profile. A. greater tuberosity B. lesser tuberosity C. greater throcanter | A. greater tuberosity |
| Which of the following can be classified under an amphiarthrodial joint? 1. skull 2. vertebrae 3. pubic symphysis 4. knee A. 1 and 2 B. 1 and 4 C. 2 and 3 D. 3 and 4 | C. |
| There are ________ phalanges in the hands. | 28 |
Created by:
taylos84
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