Bone Landmarks
Bone Landmarks - Related Videos
04:47
Systematic Bronchoscopy: the Four Landmarks Approach
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Cited by 4 •
2023
Here, we present a protocol to navigate the bronchial maze in a structured manner, splitting the bronchoscopy into a stepwise approach-the four landmarks approach.
08:49
Models of Bone Metastasis
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Cited by 115 •
2012
Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.
05:22
Systematic Endobronchial Ultrasound - The Six Landmarks Approach
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Cited by 1 •
2023
Endobronchial ultrasound-guided sampling using transbronchial needle aspiration plays a key role in staging and diagnosing lung cancer. We propose a systematic stepwise approach dividing the procedure into six landmarks that should be taught to new operators.
07:17
Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
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Cited by 293 •
2016
Here we present a protocol for the dissection of hind limb long bones (femurs and tibiae) from the laboratory mouse. We further describe a rapid technique for bone marrow isolation from these bones that utilizes centrifugation for removal of bone marrow from the bone marrow space.
03:56
Bone Marrow Aspiration: A Method to Obtain Bone Marrow to Examine Cell Morphology
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2023
This video describes the technique of aspirating bone marrow from iliac spine and smear preparation for biopsy. In the example, we perform bone marrow aspiration from an acute myeloid leukemia (AML) patient and examine the cells to check for measurable residual disease (MRD), an important prognostic biomarker.
FAQs
Foramina serve as identifiable openings associated with pathways for cranial nerves, spinal nerves, or blood vessels. Their location helps establish spatial relationships between the skeleton and nervous system structures when examining skulls, vertebral columns, or neuroanatomical specimens. Recognizing these openings can therefore guide interpretation of how neural and vascular routes pass through the surrounding bone.
Processes and grooves provide different forms of anatomical information. Processes can indicate attachment sites for tissues, while grooves may mark routes followed by nerves or blood vessels. Distinguishing these features helps students and researchers connect the external shape of a bone with nearby neural organization, rather than treating the skeletal surface as an isolated set of shapes.
Sutures provide visible reference lines that help orient the skull and distinguish neighboring bones. In neuroscience-focused anatomy, this orientation supports the examination of cranial structures and their relationships to pathways for cranial nerves and vessels. Recognizing sutures alongside openings, ridges, and projections creates a more reliable framework for locating features on neuroanatomical specimens.
Begin by orienting the specimen using broad skeletal relationships, then identify prominent projections, depressions, ridges, openings, and sutures. Next, relate each feature to the possible passage of cranial nerves, spinal nerves, blood vessels, or the spinal cord. This structured sequence reduces confusion between nearby structures and creates a consistent basis for documenting anatomical observations.
Distinctive projections, openings, grooves, and sutures act as anatomical reference points in medical images. Comparing their positions helps viewers orient the skull or vertebral column and relate visible bone structures to neural pathways. This approach supports interpretation of neuroanatomical organization and can help connect an observed skeletal location with the region of the nervous system under study.
Accurate landmark recognition provides a skeletal framework for clinical examination, neurosurgical planning, and localization of neural injuries or lesions. Because skull and vertebral features relate to routes for nerves, vessels, and the spinal cord, their positions can help clinicians organize spatial information before evaluating or addressing a nervous system abnormality. The value depends on precise anatomical identification.