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Chapter 6 25 Flashcards Lawrence Becknel
flashcards for chapter 6
25
Anatomy
Undergraduate 2
05/28/2014

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Term

Axial skeleton 

Definition
(80 bones) Bones of skull, thorax, and vertebral column Form longitudinal axis of body
Term
Appendicular skeleton 
Definition
1.(126 bones)

Bones of the limbs and girdles that attach them to the axial skeleton
Term
Support
Definition

(support for body, attachment for soft tissues)
Term

Storage of minerals 

Definition
(calcium and phosphate)
-Calcium most abundant mineral in body (~2–4 lb)

-98% stored in bones
Term

Blood cell production 

Definition

(all formed elements of blood)
Term

Protection

Definition

(delicate tissues and organs surrounded by bone)
Term

Leverage 

Definition

(act as levers with skeletal muscles to move body)
Term

Flat bones
Definition
Thin, roughly parallel surfaces

Examples: cranial bones, sternum
Term

Sutural bones 

Definition
(Wormian bones)
Irregular bones formed between cranial bones

Number, size, and shape vary
Term

Long bones
Definition
Relatively long and slender

Examples: various bones of the limbs
Term

Irregular bones
Definition
Complex shapes

Examples: vertebrae, bones of pelvis, facial bones
Term

Sesamoid bones
Definition
Small, flat, and somewhat shaped like sesame seed
Develop in tendons of knee, hands, and feet

Individual variation in location and number
Term
Short Bones
Definition
Small and boxy

Examples: bones of the wrist (carpals) and ankles (tarsals)
Term

Canal or meatus 

Definition

large passageway

Term

Process

Definition
Projection or bump
Term
Sinus
Definition

chamber within bone, usually filled with air.

Term
Foramen
Definition
Small rounded passageway.
Term
Fissure
Definition
elongated cleft or gap.
Term

Humerus surface Features

Head


Definition

expanded proximal end that forms part of joint

Term

Humerus surface features

Tubercle

Definition
small, rounded projection
Term

Humerus surface features

Sulcus

Definition
deep, narrow-groove
Term

Humerus surface features

Tuberosity

Definition

small, rough projection; may occupy broad area

Term

Humerus surface features

Diaphysis

Definition

shaft; elongated body

Term

Humerus surface features

Trochlea

Definition

smooth, grooved articular process

Term

Humerus surface features

Condyle

Definition
smooth, rounded articular process
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