Skeletal Anomalies

Identification and interpretation of rare skeletal variants, non-metric traits, and unusual morphological features

Level
advanced
Languages
en → en
Cards
49
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Skeletal Anomalies (.md)

Flashcards (49)

#Front (Term / Question)Back (Definition / Answer)ExampleMultiple-Choice Options
1What is a common skeletal anomaly in the hand?Syndactyly is a common anomaly where two or more fingers are fused together.
2What is the role of genetic factors in skeletal anomalies?Genetic factors can predispose individuals to various skeletal anomalies through inherited traits.
3What is the significance of the femoral neck angle?The femoral neck angle is important in assessing hip joint function and can indicate developmental dysplasia.
4What is the clinical significance of the metopic suture?The metopic suture can remain open in some individuals, leading to a condition known as metopic synostosis.
5What is the term for the abnormal development of the jaw?Mandibular dysplasia refers to abnormal growth or development of the mandible, affecting bite and function.
6What is the term for the presence of an extra rib?Cervical rib is an extra rib that can develop above the first thoracic rib, potentially causing thoracic outlet syndrome.
7What is the significance of the foramen magnum position?The position of the foramen magnum can indicate bipedalism and is used in paleoanthropology to assess hominin evolution.
8What is the term for the abnormal fusion of cranial sutures?Craniosynostosis is the premature fusion of one or more cranial sutures, affecting skull shape.
9What is the term for the abnormal curvature of the spine?Kyphosis refers to an excessive outward curvature of the spine, often resulting in a hunchback appearance.
10What is the term for the abnormal development of the ribs?Costal dysplasia refers to abnormal formation or structure of the ribs, which can affect thoracic function.
11What is the difference between a true and a false joint?A true joint has a synovial cavity and allows movement, while a false joint lacks this cavity and is typically immobile.
12What is the significance of the palatine bone in cleft palate?The palatine bone is crucial in forming the hard palate, and its failure to fuse can lead to cleft palate.
13What is the significance of the nasal aperture in anthropology?The nasal aperture size and shape can provide insights into climate adaptation and ancestry.
14What is the significance of the pelvic inlet in childbirth?The pelvic inlet's shape and size are crucial for determining the ease of childbirth.
15What is the difference between congenital and acquired skeletal anomalies?Congenital anomalies are present at birth, while acquired anomalies develop later due to factors like injury or disease.
16What is the term for the abnormal development of the skull?Craniosynostosis is a condition where one or more cranial sutures fuse prematurely, affecting skull shape.
17What is the role of environmental factors in skeletal anomalies?Environmental factors, such as nutrition and exposure to toxins, can influence the development of skeletal anomalies.
18What is the significance of the tibial tuberosity?The tibial tuberosity is an important landmark for muscle attachment and can indicate growth patterns.
19Give an example of a common skeletal anomaly.Spina bifida is a common congenital skeletal anomaly where the spine does not close completely.
20What is the term for the abnormal development of the spine?Spondylolisthesis is a condition where a vertebra slips out of place, affecting spinal alignment.
21What is the role of the patella in the knee joint?The patella protects the knee joint and improves the leverage of the quadriceps muscle.
22What is the term for the abnormal growth of bone?Osteopetrosis is a condition characterized by excessive growth and density of bone, leading to fragility.
23What is the significance of the vertebral foramen?The vertebral foramen houses the spinal cord and is crucial for protecting neural structures.
24What is osteogenesis imperfecta?Osteogenesis imperfecta is a genetic disorder characterized by fragile bones that break easily.
25What is a non-metric trait in skeletal anatomy?Non-metric traits are qualitative variations in skeletal features that do not follow a standard measurement.
26What is the term for the abnormal development of the pelvis?Pelvic dysplasia refers to abnormal development or formation of the pelvic bones.
27What are accessory bones?Accessory bones are extra bones that can form in various locations, such as the foot or wrist.
28What is the significance of the os acromiale?Os acromiale is an accessory bone at the acromion of the scapula, which can affect shoulder function.
29What is the term for the abnormal development of the wrist?Wrist dysplasia refers to congenital anomalies affecting the structure and function of the wrist bones.
30What is the role of the appendicular skeleton?The appendicular skeleton facilitates movement and includes the limbs and girdles.
31What is polydactyly?Polydactyly is a condition where an individual has extra fingers or toes.
32What is a common feature of achondroplasia?Achondroplasia is characterized by short stature and disproportionately short limbs due to abnormal cartilage formation.
33What are the common types of skeletal dysplasias?Common types include achondroplasia, thanatophoric dysplasia, and osteogenesis imperfecta.
34What is the term for the fusion of cervical vertebrae?Cervical vertebrae fusion is known as cervical vertebral fusion or block vertebrae.
35What is the role of imaging in diagnosing skeletal anomalies?Imaging techniques like X-rays, CT scans, and MRIs help visualize and diagnose skeletal anomalies.
36What is the term for the abnormal growth of cartilage?Chondrodysplasia refers to a group of disorders characterized by abnormal cartilage growth.
37What is the significance of the zygomatic arch in skeletal analysis?The zygomatic arch is used in anthropology to assess facial structure and can indicate dietary adaptations.
38What is the role of the sacrum in the skeletal system?The sacrum connects the spine to the pelvis and supports the weight of the upper body.
39What is the clinical significance of the iliac crest?The iliac crest is often used as a site for bone grafting and is important in assessing pelvic morphology.
40What is a cleft palate?A cleft palate is a congenital anomaly where there is an opening in the roof of the mouth due to incomplete fusion.
41What is the role of the axial skeleton?The axial skeleton supports the head, neck, and trunk, and protects the brain and spinal cord.
42What is the significance of the greater sciatic notch?The greater sciatic notch is important for the passage of nerves and blood vessels from the pelvis to the lower limb.
43What is the term for the abnormal curvature of the spine in the lateral plane?Scoliosis refers to an abnormal lateral curvature of the spine.
44What is the significance of the calcaneus in the foot?The calcaneus is the largest bone in the foot and plays a key role in weight-bearing and movement.
45What are skeletal anomalies?Skeletal anomalies are variations in the normal structure of bones that can be congenital or acquired.
46What is scoliosis?Scoliosis is a lateral curvature of the spine that can be idiopathic or due to other conditions.
47What is the term for the abnormal development of the foot?Clubfoot, or talipes, is a congenital deformity where the foot is twisted out of shape or position.
48What is a common non-metric trait found in human skulls?The presence of a sagittal crest is a non-metric trait that indicates muscle attachment for strong jaw muscles.
49What is the significance of the humeral head in shoulder anatomy?The humeral head articulates with the glenoid cavity of the scapula, forming the shoulder joint.