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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 INTEGUMENTARY SYSTEM integumentary system SKELETAL SYSTEM full skeleton skull vertebral column ribcage shoulder & arm hand & wrist pelvis leg & ankle foot MUSCULAR SYSTEM full body muscle histology head & neck thorax shoulder & upper arm giceps brachii forearm & hand abdomen pelvis, thigh & knee leg & foot THE NERVOUS SYSTEM nervous system brain spinal cord autonomic nervous system eye ear nose ENDOCRINE SYSTEM endocrine sytem hypothalamus & pituitary thyroid & parathyroids adrenal glands pancreas ovaries testes CIRCULATORY SYSTEM cardiovascular system lymphatic system RESPIRATORY SYSTEM respiratory system mouth, nose & throat lungs

DIGESTIVE SYSTEM digestive system alimentary canal

accessory organs

mouth & throat esophagus & stomach liver, gallbladder

pancreas & duodenum

small intestine large intestine URINARY SYSTEM urinary system kidneys REPRODUCTIVE SYSTEM male reproductive systerm female reproductive system

REGIONAL ANATOMY THE HEAD & NECK the head & neck the brain the eye the ear THE THORAX the thorax the lungs the hearg 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

More Regional Anatomy

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 radiographsaxilla upper arm elbow radiographsaxillaforearm hand radiographs THORAX bones thoracic walls heart arteriograms mediastinum and lungs inlet, diaphragm and vessels joints radiographsaxilla ABDOMEN AND PELVIS anterior abdominal wall upper abdominal viscera liver spleen appendix smal intestine kidneys and suprarenal glands posterior abdominal and pelvic wals male inguinal region female inguinal region male pelvis female pelvis male perineum female perineum radiographs LOWER LIMB bones gluteal region thigh hip joint radiographsknee radiograph leg ankle and foot radiographs APPENDIX skeleton arteries veins nerves lymphatic system muscles skull foramina

CYTOLOGY introduction cell structure epithelial tissues connective tissues blood and haemopoiesis EMBRYOLOGY introduction sixual reproduction growth and differentiation the female gamete the male gamete fertilization heredity and human genetics early development fo the human embryoLOGYdifferentiation of the embryonic area formation of the embryoLOGYnutrition of the embryoLOGYimplantation and placentation skeletal development branchial apparatus development of locomotor structures nerovous system and special sense organs vascular system digestive and respriatory system urogenital system prenatal growth OSTEOLOGY human skeletal morphology skeletal connective tissues structure of cartilage bone as a tissue histogenesis of bone verebral characteristics sternum and ribs the skull exterior of the skull interior ofr th cranium individual cranial bones cranial growth and variation appendicular skeleton skeleton of upper limb skeleton of lower limb ARTHROLOGY fibrous and cartlaginous joints structure of synovial joints movements and mechanisms of joints temporomandibular joint vertebral andthoracic articulations joints of the upper limb joints of the lower limb MYOLOGY introduction skeletal muscle cardiac muscle non-striated muscle form and actions fo skeletal muscle fasciae and muscles of the hea anterolateral nuchal muscles and fasciae fasciae and muscles of the trunk fasciae and muslces of th upper limb fasciae and muscles of the lower limb ANGIOLOGy introduction and vascular structuresvascular patterns' thoracic cavity and pericardium the heart aortic arch carotid arterial system subclavian arterial system thoracic aorta abdomanal aorta ilia arterial system cranial venous system veins of the upper limb thoracic veins veins of the lower limb abdominal veins reticulo-endothelial and lymphatic system the spleen the thymus regional lymph nodes and vessels NEUROLOGY general principles neuroanatomical techniques neurocytology nervous system – divisions spinal medulla or cord myelencephalon – medulla oblongata metencephalon-pons cerebellum mesencephalon-midbrain reticular formation diencaphalon dorsal thalamus epithalamus ventral thalamus hypothalamus metathalamus crebral surfaces limbic lobe crebral cortex-structure cerebral cortex-areas basal nuclei meninges-cranial and spinal peripheral nervous system individual cranial nerves mophology of cranial nerves spinal nerves dorsal spinal rami cervical ventral spinal rami thoracic ventral spinal rami lumbar ventral spinal rami sacral and coccygeal ventral spinal rami autonomic nervous system parasympathetic nervous system sympathetic nervous system major autonomic plexuses gustatory apparatus olfactory apparatus visual apparatus auditory and vestiular apparatus integument-skin SPLANCHNOLOGY respiratory system larynx trachea and bronchi pleurae the mediastinum lungs alimentary system the teeth tongue, pharynx and oesophagus the abdomen peritoneum gastro-intestinal tract pancreas liver urogenital system the urinary tract reproductive organs – male reproductive organs – female endocrine glands

I. INTRODUCTION AND SYSTEMIC OVERVIEW Anatomical Nomenclature • Basic Structure and Function of Cells • Integrating Cells into Tissues Systemic Overview: Nervous System • Blood, Lymphoid Tissues and Haemopoiesis • Functional Anatomy of the Musculoskeletal System • Smooth Muscle and the Cardiovascular and Lymphatic systems • Skin and its Appendages • Endocrine System: Principles of Hormone Production and Secretion • Embryogenesis • Prenatal and Neonatal Growth II. NEUROANATOMY Overview of the Organization of the Nervous System • Autonomic Nervous System • Development of the Nervous System • Cranial Meninges • Ventricular System and Cerebrospinal Fluid • Vascular Supply of the Brain • Spinal Cord • Brain Stem • Cerebellum • Diencephalon • Cerebral Hemisphere • Basal Ganglia • Special Senses III. HEAD AND NECK Surface Anatomy of the Head and Neck • Overview of the Development of the Head and Neck Head: Skull and Mandible • Development of the Skull • Face and Scalp • Infratemporal Region and Temporomandibular Joint Neck and Upper Aerodigestive Tract: Neck • Nose, Nasal Cavity, Paranasal Sinuses and Pterygopalatine Fossa • Oral Cavity • Development of the Face and Neck • Pharynx • Larynx • Development of the Pharynx, Larynx and Oesophagus Ear and Auditory and Vestibular Apparatus: External and Middle Ear • Inner Ear • Development of the Ear The Bony Orbit and Peripheral and Accessory Visual Apparatus: The Orbit and its Contents • The Eye • Development of the Eye IV. BACK AND MACROSCOPIC ANATOMY OF THE SPINAL CORD Surface Anatomy of the Back • The Back • Macroscopic Anatomy of the Spinal Cord and Spinal Nerves • Development of the Vertebral Column V. PECTORAL GIRDLE AND UPPER LIMB General Organization and Surface Anatomy of the Upper Limb • Pectoral Girdle, Shoulder Region and Axilla • Upper Arm • Elbow • Forearm • Wrist and Hand • Overview of Development of the Limbs • Development of the Pectoral Girdle and Upper Limb VI. THORAX Surface Anatomy of the Thorax • Chest Wall • Breast Heart and Mediastinum: Mediastinum • Heart and Great Vessels • Development of the Cardiovascular and Lymphatic Systems Lungs and Diaphragm: Microstructure of the Trachea, Bronchi and Lungs • Pleura, Lungs, Trachea and Bronchi • Diaphragm and Phrenic Nerve • Development of the Trachea, Lungs and Diaphragm VII. ABDOMEN AND PELVIS Introduction: Surface Anatomy of the Abdomen and Pelvis • Anterior Abdominal Wall • Posterior Abdominal Wall and Retroperitoneum • Peritoneum and Peritoneal Cavity Gastrointestinal Tract: General Microstructure of the Gut Wall • Stomach and Abdominal Oesophagus Small Intestine: Microstructure of the Small Intestine • Duodenum • Jejunum and Ileum Large Intestine: Microstructure of the Large Intestine • Overview of the Large Intestine • Caecum • Vermiform Appendix • Ascending Colon • Transverse Colon • Descending Colon • Sigmoid Colon • Rectum • Anal Canal Hepatobiliary System Liver • Gall Bladder and Biliary Tree Pancreas, Spleen and Suprarenal Gland: Pancreas • Spleen • Suprarenal (Adrenal) Gland Development of the Peritoneal Cavity, Gastrointestinal Tract and its Adnexae: Development of the Peritoneal Cavity, Gastrointestinal Tract and its Adnexae Kidney and Ureter: Kidney • Ureter Bladder, Prostate and Ureter: Bladder • Male Urethra • Female Urethra • Prostate Male Reproductive System: Testes and Epididymes • Vas Deferens and Ejaculatory Ducts • Spermatic Cords and Scrotum • Penis • Accessory Glandular Structures Female Reproductive System: Ovaries • Uterine Tubes • Uterus • Implantation, Placentation, Pregnancy and Parturition • Vagina • Female External Genital Organs True Pelvis, Pelvic Floor and Perineum: True Pelvis, Pelvic Floor and Perineum Development of the Urogenital System: Development of the Urogenital System VIII. PELVIC GIRDLE AND LOWER LIMB General Organization and Surface Anatomy of the Lower Limb • Pelvic Girdle, Gluteal Region and Hip Joint • Thigh • Knee • Leg • Foot and Ankle • Development of the Pelvic Girdle and Lower Limb Eponyms Index

I. INTRODUCTION AND SYSTEMIC OVERVIEW Anatomical Nomenclature • Basic Structure and Function of Cells • Integrating Cells into Tissues Systemic Overview: Nervous System • Blood, Lymphoid Tissues and Haemopoiesis • Functional Anatomy of the Musculoskeletal System • Smooth Muscle and the Cardiovascular and Lymphatic systems • Skin and its Appendages • Endocrine System: Principles of Hormone Production and Secretion • Embryogenesis • Prenatal and Neonatal Growth II. NEUROANATOMY Overview of the Organization of the Nervous System • Autonomic Nervous System • Development of the Nervous System • Cranial Meninges • Ventricular System and Cerebrospinal Fluid • Vascular Supply of the Brain • Spinal Cord • Brain Stem • Cerebellum • Diencephalon • Cerebral Hemisphere • Basal Ganglia • Special Senses III. HEAD AND NECK Surface Anatomy of the Head and Neck • Overview of the Development of the Head and Neck Head: Skull and Mandible • Development of the Skull • Face and Scalp • Infratemporal Region and Temporomandibular Joint Neck and Upper Aerodigestive Tract: Neck • Nose, Nasal Cavity, Paranasal Sinuses and Pterygopalatine Fossa • Oral Cavity • Development of the Face and Neck • Pharynx • Larynx • Development of the Pharynx, Larynx and Oesophagus Ear and Auditory and Vestibular Apparatus: External and Middle Ear • Inner Ear • Development of the Ear The Bony Orbit and Peripheral and Accessory Visual Apparatus: The Orbit and its Contents • The Eye • Development of the Eye IV. BACK AND MACROSCOPIC ANATOMY OF THE SPINAL CORD Surface Anatomy of the Back • The Back • Macroscopic Anatomy of the Spinal Cord and Spinal Nerves • Development of the Vertebral Column V. PECTORAL GIRDLE AND UPPER LIMB General Organization and Surface Anatomy of the Upper Limb • Pectoral Girdle, Shoulder Region and Axilla • Upper Arm • Elbow • Forearm • Wrist and Hand • Overview of Development of the Limbs • Development of the Pectoral Girdle and Upper Limb VI. THORAX Surface Anatomy of the Thorax • Chest Wall • Breast Heart and Mediastinum: Mediastinum • Heart and Great Vessels • Development of the Cardiovascular and Lymphatic Systems Lungs and Diaphragm: Microstructure of the Trachea, Bronchi and Lungs • Pleura, Lungs, Trachea and Bronchi • Diaphragm and Phrenic Nerve • Development of the Trachea, Lungs and Diaphragm VII. ABDOMEN AND PELVIS Introduction: Surface Anatomy of the Abdomen and Pelvis • Anterior Abdominal Wall • Posterior Abdominal Wall and Retroperitoneum • Peritoneum and Peritoneal Cavity Gastrointestinal Tract: General Microstructure of the Gut Wall • Stomach and Abdominal Oesophagus Small Intestine: Microstructure of the Small Intestine • Duodenum • Jejunum and Ileum Large Intestine: Microstructure of the Large Intestine • Overview of the Large Intestine • Caecum • Vermiform Appendix • Ascending Colon • Transverse Colon • Descending Colon • Sigmoid Colon • Rectum • Anal Canal Hepatobiliary System Liver • Gall Bladder and Biliary Tree Pancreas, Spleen and Suprarenal Gland: Pancreas • Spleen • Suprarenal (Adrenal) Gland Development of the Peritoneal Cavity, Gastrointestinal Tract and its Adnexae: Development of the Peritoneal Cavity, Gastrointestinal Tract and its Adnexae Kidney and Ureter: Kidney • Ureter Bladder, Prostate and Ureter: Bladder • Male Urethra • Female Urethra • Prostate Male Reproductive System: Testes and Epididymes • Vas Deferens and Ejaculatory Ducts • Spermatic Cords and Scrotum • Penis • Accessory Glandular Structures Female Reproductive System: Ovaries • Uterine Tubes • Uterus • Implantation, Placentation, Pregnancy and Parturition • Vagina • Female External Genital Organs True Pelvis, Pelvic Floor and Perineum: True Pelvis, Pelvic Floor and Perineum Development of the Urogenital System: Development of the Urogenital System VIII. PELVIC GIRDLE AND LOWER LIMB General Organization and Surface Anatomy of the Lower Limb • Pelvic Girdle, Gluteal Region and Hip Joint • Thigh • Knee • Leg • Foot and Ankle • Development of the Pelvic Girdle and Lower Limb Eponyms Index