Body shaft of metacarpal bone Corpus metacarpale A B

20 Head of metacarpal bone. Caput metacarpale. Distal articular end of a metacarpal bone. A B

21 Third metacarpal bone. Os metacarpale ter-tium [III]. Metacarpal bone lying proximal to the middle finger. A B

22 Styloid process. Processus styloideus. Pointed process at the base of metacarpal III, radial to the capitate. B

23 FINGERS (DIGITS). Ossa digitorum (phalanges). A B

24 PHALANGES. Bony segments comprising the fingers. A B

25 Proximal phalanx. Phalanx proximalis. Proximal bone of a finger. A B

26 Middle phalanx. Phalanx media. The middle bones of the fingers. A B

27 Distal (terminal) phalanx. Phalanx distalis. Distal, nail-bearing segment of the finger. A B

28 Tuberosity of distal phalanx. Tuberositas phalangis distalis. Roughened expansions at the distal flexor side of each terminal phalanx for attachment of the tactile pads. A

29 Base of phalanx. Basis phalangis. Proximal, thickened, articular end of the phalanx. A B

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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