Category: D
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Ductus
The blood vessel that connects the pulmonary artery and the aorta is known as the ductus arteriosus. In cases where the ductus fails to close after birth, it leads to a congenital heart condition known as patent ductus arteriosus.
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Ductal carcinoma
Breast cancer that originates within the epithelial lining of the lactiferous duct; ductal carcinoma in situ (DCIS) denotes ductal cancer that has not undergone the process of invasiveness.
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Ductal adenocarcinoma
Within the realm of oncology, there exists a type of cancerous growth known as a malignant tumor that originates from the duct cells located within a gland. This particular form of tumor develops when the duct cells undergo abnormal and uncontrolled growth, resulting in the formation of a cancerous mass. The malignant nature of this…
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Dubowitz exam
In the field of developmental assessment, there exists a standardized test designed to evaluate an infant’s neural development and estimate their gestational age. This test involves administering 33 specific neurological stimuli to the infant and scoring their responses. By carefully analyzing the infant’s reactions to these stimuli, healthcare professionals can gain valuable insights into their…
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Dual eligibles
Within the realm of healthcare, there exists a specific group of individuals who are eligible for both Medicaid and Medicare due to their low-income status, advanced age, and physical or mental disabilities. This group primarily includes elderly individuals with limited financial resources, as well as those who face physical or mental challenges that impact their…
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Dorsal root entry zone
Within the domain of medical interventions, there exists a specific form of nerve surgery employed in cases of postherpetic neuralgia, particularly when alternative methods of pain relief have proven ineffective. This surgical procedure involves the deliberate destruction of the region where damaged nerves connect with the central nervous system. By disrupting the transmission of inappropriate…
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Dorsal rhizotomy
In the realm of surgical interventions, there exists a procedure aimed at mitigating spasticity in affected muscles. This surgical approach involves the precise cutting of nerve roots to alleviate the excessive muscle contractions and stiffness associated with spasticity. By selectively severing these nerve roots, healthcare professionals strive to provide relief and enhance mobility for individuals…
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Dopamine receptor antagonists
In the realm of pharmaceuticals, there exists a preceding category of antipsychotic medications, commonly referred to as neuroleptics. These particular drugs exert their primary effect by obstructing the receptor sites on nerve cells that are typically responsible for receiving the neurotransmitter dopamine within the brain.
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Donovan bodies
Deep within the tissue samples of individuals afflicted with granuloma inguinale, peculiar oval-shaped microorganisms known as Donovan bodies take residence. These rod-like entities, when subjected to the application of Wright’s stain, manifest a striking deep purple hue. Within the tissue samples obtained from individuals diagnosed with granuloma inguinale, there exist rod-shaped oval organisms known as…
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Donepezil hydrochloride
A medication that enhances the levels of acetylcholine within the brain.