Bones Flashcards
Components of the skeletal system
Bones, cartilage and ligaments
Functions of the skeletal system
Structural support Protection Movement Mineral storage and release Hemopoiesis Energy storage
Types of cartilage:
Hyaline cartilage
Fibro cartilage
Elastic cartilage
Bipedal skeletal modifications
Plantigrade: walks heel to toe Digitigrade: walks on toes Knees angled medially and can lock when standing Bowl shaped pelvis to support insides Curved spine for center of gravity Narrow birth canal
What is the difference between a male and female pelvis?
Females have an arch of 120 degrees, along with an outward coccyx
Males have a 90 degree arch and an inward coccyx
How many bones are in the adult human body?
206
What happens in cortical bone tissue and what else is it known as?
It is also known as compact bone tissue
The canaliculi brings nutrients and excretes waste
The lacunae make blood cells in the osteocytes
Describe cancellous bone
Also known as spongy bone
Found in carpals, tarsals and at the end of long bones
In the spongy bone,there are traveculae which are porous struts made of collage.
What builds bones?
Osteoblasts
What acts during bone deposition?
Osteoclasts and calcitonin
