Appendicular skeleton-lower extremities

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Pelvic girdle  Consists of paired hipbones, connected in front at the pubic symphysis and behind by the sacrum  
Os coxae  Hip bone, which comprises the ilium, ischium, and pubis  
Ilium  Upper and widest of the three bones making up the hipbone  
Iliac crest  Thick curved upper border of the ilium  
Iliac fossa  Inner concavity of the ilium  
Greater sciatic notch  Formed by curvature of the inferior part of the ileum  
Anterior superior iliac spine (ASIS)  Bony eminence on the anterosuperior border of the iliac bone, which forms the anterior end of the iliac crest  
Anterior inferior iliac spine (AIIS)  Bony eminence on the lower part of the anterior margin of the iliac bone, projecting forwards just above the acetabulum  
Posterior superior iliac spine (PSIS)  Projection at the posterior end of the iliac crest  
Posterior inferior iliac spine (PIIS)  Projection on the posterior margin of the ilium that is situated below the posterior superior iliac spine and is separated from it by a notch  
Ischium  Long, downwards and backwards pointing part of the bony pelvis  
Ishial tuberosity  Mass on the lower part of the posterior margin of the inferior ramus of ischium  
Ramus of the ischium  Thin, flattened part of the ischium which ascends from the lower part of the body and joins the inferior ramus of the pubis  
Ischial spine  Process of bone projecting backwards and medially from the posterior border of ischium  
Pubis  One of the three sections of the hipbone; together the two pubic bones form the front of the pelvis  
Pubic crest  Rough, front border of the body of the pubis  
Superior pubic ramus  Superior part of the pubis forming the superior edge of the obturator foramen  
Inferior pubic ramus  Inferior part of the pubis, forming the inferior edge of the obturator foramen  
Pubic symphysis  Joint located between the pubes in the lower abdominal region and composed of a fibrous cartilaginous material  
Obturator foramen  Largest foramen in the human body, is situated between the ischium and pubis of the hipbone, and is closed by the obturator membrane except for the obturator canal  
Acetabulum  Cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint  
Lesser sciatic notch  Notch in the posterior border of the ischium below the ischial spine  
Body of pubis  Flattened medial portion of the pubic bone entering into the pubic symphysis  
Pelvic girdle is made up of  Pelvis, sacrum, and coccyx  
Femur  Thigh bone  
Head of the femur  Hemispheric articular surface at the upper extremity of the thigh bone  
Neck of the femur  Short, constricted, strong bar projecting at an obtuse angle (about 125°) from the upper end of the shaft of the thigh bone and supporting its head  
Greater trochanter  Broad prominence at the upper end of the lateral aspect of the femur at the junction of the femoral neck and shaft  
Lesser trochanter  Pyramidal prominence projecting from the proximal and medial part of the shaft of the femur  
Intertrochanteric crest  Prominent ridge running obliquely downward and medialward from the summit of the greater trochanter on the posterior surface of the neck  
Gluteal tuberosity  Rough surface that gluteus maximus attaches to  
Linea aspera  Roughened longitudinal line on the posterior surface of the shaft of femur  
Medial condyle of the femur  Shorter condyle closest to the midline  
Lateral condyle of the femur  Condyle on the outer side of the lower extremity of the femur  
Medial epicondyle of the femur  Epicondylus located proximal to the medial condyle  
Lateral epicondyle of the femur  Epicondyle near the lateral condyle of the femur  
Intercondylar notch  Between the condyles, articulates with the tibia  
Patellar surface  Area on the femur that articulates with the patella  
Patella  Knee cap  
Tibia  Shin bone or larger bone of the lower leg  
Medial condyle of the tibia  Bony prominence on the medial side of the head of the tibia  
Lateral condyle of the tibia  Bony prominence on the lateral side of the head of the tibia  
Tibial tuberosity  Tubercle on the anterior aspect of the proximal tibia, into which the patellar tendon inserts  
Anterior crest of the tibia  A prominent border on the leg that commences at the tibial tuberosity and ends at the anterior margin of the medial malleolus  
Medial malleolus of the tibia  Where the tibia is prolonged downward on its medial side as a strong process  
Fibula  Outer and narrower of two bones of the human lower leg  
Intercondylar eminence  Area on the femur that articulates with the patella  
Head of the fibula  Superior extremity of the fibula, which articulates by a facet with the undersurface of the lateral condyle of the tibia  
Lateral malleolus of the fibula  Pyramidal form, and somewhat flattened from side to side  
Styloid process of the fibula  Projects upward from the posterior part of the head  
Neck of the fibula  Slightly constricted region between the head and body of the fibula  
Apex of the fibula  Styloid process of the fibula  
Tarsus  Bones of the part of the foot between the metatarsus and the leg  
Calcaneal bone  Largest of the tarsal bones and is situated at the lower and back part of the foot forming the heel  
Talus bone  Bone in the ankle that articulates with the leg bones to form the ankle joint  
Navicular bone  One of the middle bones of the tarsus, corresponding to the centrale  
Cuboid bone  Cube shaped bone on the outer side of the tarsus  
First cuneiform bone  Largest of the three cuneiform bones, the medial bone of the distal row of the tarsus, articulating with the intermediate cuneiform, navicular, and first and second metatarsal bones  
Second cuneiform bone  Smallest of the three cuneiform bones, of very regular wedge-like form, the thin end being directed downward  
Third cuneiform bone  Wedge-shaped, the base being uppermost, occupies the center of the front row of the tarsal bones, between the second cuneiform medially, the cuboid laterally, the navicular behind, and the third metatarsal in front  
Metatarsus  Skeleton of the human foot between the toes and the tarsus  
Phalanges of the foot  Bones that form toes and are named after the digit and their distance from the body  
Proximal phalanges of the foot  Closest to the foot and articulate with the metacarpals  
Middle phalanges of the foot  Between the distal and proximal phalanges. The big toe does not have one  
Distal phalanges of the foot  Form the tips of the toes  
How many phalanges are there per foot?  14  


   

 
 

 
 

 

 
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