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Anatomy

Skeletal System

TermDefinition
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