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pisiform bone (os pisiforme)

parent article - wrist or carpus

The Pisiform Bone (os pisiforme) The pisiform bone may be known by its small size, and by its presenting a single articular facet. It is situated on a plane anterior to the other carpal bones and is spheroidal in form. Its dorsal surface presents a smooth, oval facet, for articulation with the triangular: this facet approaches the superior, but not the inferior border of the bone. The volar surface is rounded and rough, and gives attachment to the transverse carpal ligament, and to the Flexor carpi ulnaris and Abductor digiti quinti. The lateral and medial surfaces are also rough, the former being concave, the latter usually convex. 10

Articulation.—The pisiform articulates with one bone, the triangular.

Volar: Pertaining to both the palm and sole. It comes from word "vola" which the ancient Romans used for "the palm of the hand and the sole of the foot."

cf palmar (palm side of hand)and planar (sole of foot)

The Triangular Bone (os triquetrum; cuneiform bone)

By comparison, the term "palm" applies to only the palm (the grasping side) of the hand. The Romans actually used the word "palma" for the outstretched palm of the hand.

topics in anatomy

SYSTEMIC ANATOMY

THE INTEGUMENTARY SYSTEM

• Integumentary system

THE SKELETAL SYSTEM

• full skeleton
• axial skeleton
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  • vertebral column
  • ribcage
• appendicular skeleton
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  • hand & wrist
  • pelvis
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THE MUSCULAR SYSTEM full body muscle histology head & neck thorax shoulder & upper arm biceps brachii forearm & hand abdomen pelvis thigh & knee leg & foot

THE NERVOUS SYSTEM

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THE ENDOCRINE SYSTEM

endocrine system hypothalamus & pituitary thyroid & parathyroids adrenal glands pancreas ovaries testes

THE CARDIOVASCULAR SYSTEM (CIRCULATORY SYSTEM?)

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THE LYMPHATIC SYSTEM

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THE REPRODUCTIVE SYSTEM male reproductive systerm female reproductive system THE EXCRETORY SYSTEM (URINARY SYSTEM) urinary system kidneys

REGIONAL ANATOMY

THE HEAD & NECK the head & neck the brain the eye the ear THE THORAX the thorax the lungs the heart THE ABDOMEN the abdomen stomach liver & gallbladder spleen small intestine large intestine kidney THE PELVIS pelvis THE UPPER LIMB arm & elbow forearm & hand hand THE LOWER LIMB thigh & knee leg & foot foot HEAD, NECK AND BRAIN skull skull bones head and neck nose pharynx larynx cranial cavity eye ear brain radiographs VERTEBRAL COLUMN AND SPINAL CORD vertebrae sacrum and coccyx vertebral column and spinal cord muscles radiographs UPPER LIMB bones shoulder radiographs axilla upper arm elbow radiographs forearm hand radiographs THORAX bones thoracic walls heart arteriograms mediastinum and lungs inlet, diaphragm and vessels joints radiographs ABDOMEN AND PELVIS anterior abdominal wall upper abdominal viscera liver spleen appendix small intestine kidneys and suprarenal glands posterior abdominal and pelvic walls male inguinal region female inguinal region male pelvis female pelvis male perineum female perineum radiographs LOWER LIMB bones gluteal region thigh hip joint radiographs knee radiograph leg ankle and foot radiographs APPENDIX skeleton arteries veins nerves lymphatic system muscles skull foramina