A&P 1 Lecture Notes - Axial Skeleton and Calcium Homeostasis

These flashcards cover key terms and concepts related to the axial skeleton and calcium homeostasis as discussed in the lecture.

Calcium homeostasis

The process that maintains stable calcium levels in the bloodstream.

Axial skeleton

Part of the skeleton that includes the skull, vertebral column, and rib cage.

Osteoblasts

Cells responsible for bone formation.

Osteoclasts

Cells that break down bone tissue.

Parathyroid hormone (PTH)

Hormone that increases calcium concentration in the blood.

Calcitonin

Hormone that decreases calcium concentration in the blood.

Articulated skeleton

A skeleton that consists of bones that are connected by joints.

Disarticulated skeleton

A skeleton where bones are not connected by joints.

Appendicular skeleton

Part of the skeleton that includes the limbs and girdles.

Thoracic cage

The skeleton of the chest made up of the ribs and sternum.

Vertebral column

The series of bones (vertebrae) that make up the backbone.