How are vertebrae classified?
The mammalian vertebral column consists of five morphologically differentiated groups of vertebrae: cervical, thoracic, lumbar, sacral and coccygeal (caudal) (Fig 3.1). In humans, the vertebral column usually consists of 33 vertebrae, placed in series and connected by ligaments and intervertebral discs.
What is Paradiscal tuberculosis?
The early involvement of paradiscal regions of the vertebrae by the tuberculous process jeopardizes the nutrition of the disc. Such a necrosed or pathologically changed disc may also be invaded by the adjacent infectious process.
Which of the following is the correct classification for a vertebra based on shape?
Sesamoid Bones
| Bone Classifications | ||
|---|---|---|
| Bone classification | Features | Examples |
| Flat | Thin and curved | Sternum, ribs, scapulae, cranial bones |
| Irregular | Complex shape | Vertebrae, facial bones |
| Sesamoid | Small and round; embedded in tendons | Patellae |
What is a Gibbus in spine TB?
Gibbus deformity is a form of structural kyphosis typically found in the upper lumbar and lower thoracic vertebrae, where one or more adjacent vertebrae become wedged. Gibbus deformity most often develops in young children as a result of spinal tuberculosis and is the result of collapse of vertebral bodies.
What is tuberculous Spondylodiscitis?
Tuberculous spondylitis, also known as Pott disease, refers to vertebral body osteomyelitis and intervertebral discitis from tuberculosis (TB). The spine is the most frequent location of musculoskeletal tuberculosis, and commonly related symptoms are back pain and lower limb weakness/paraplegia.
What bone shape are vertebrae classified as quizlet?
Irregular Bones have complex shapes with short, flat, notched or ridged surfaces. The vertebrae that form the spinal column, the bones of the pelvis, and several bones in the skull are examples of irregular bones.
How are bacteria classified according to their shape?
Classification of bacteria based on Shape Type of Classification Examples Bacillus (Rod-shaped) Escherichia coli (E. coli) Spirilla or spirochete (Spiral) Spirillum volutans Coccus (Sphere) Streptococcus pneumoniae Vibrio (Comma-shaped) Vibrio cholerae
How is the classification of bacteria used in medicine?
The bacterial classification is one of the key factors to tackle them in disease. The classification is done based on factors like their shape, nutrition requirement, cell wall staining, the cell appendages etc. Of these bacteria, those harmful and useful to humans are widely studied in medicine and pharmacy.
How are bacteria classified on the basis of Gram stain?
Classification of Bacteria. Classification on the basis of gram stain, bacterial cell wall, shape, mode of nutrition, temperature requirement, oxygen requirement, pH of growth, osmotic pressure requirement, number of flagella and spore formation.
What are the different types of spherical bacteria?
ii) Diplococci is two spherical shaped bacteria existing as pairs. iii) Streptococci is a chain of many round-shaped bacteria. iv) Staphylococci is a group of spherical bacteria arranged like a bunch of grapes. v) Sarcina is a type where 8 round shaped bacteria are arranged in cubical shape.