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Lesions of the medial dorsal and anterior nuclei of the thalami and lesions of the mammillary bodies are commonly involved in amnesic syndromes in humans. [8] Mammillary body atrophy is present in several other conditions, such as colloid cysts in the third ventricle, Alzheimer's disease, schizophrenia, heart failure, and sleep apnea. In spite ...
The mammillary bodies directly or indirectly connect to the amygdala, hippocampus, and thalami as major structures in the limbic system. [6] The mammillothalamic tract carries signals from the mammillary bodies via the anterior thalamus to support spatial memory .
The mammillary bodies are an important part of the Papez circuit. If there is damage, such as loss of neurons and/or myelination, to the mammillary bodies, the Papez circuit can be severely affected. There will be a disruption in the connecting parts of the system.
The tuber cinereum is a convex mass of grey matter, [3]: 495 a ventral/inferior distention of the hypothalamus forming the floor of the third ventricle. [citation needed] The portion of the tuber cinerum at the base of the infundibulum (pituitary stalk) is the median eminence; [2] the infundibulum extends ventrally/inferiorly from the median eminence to become continuous with the infundibulum.
Lactiferous ducts are ducts that converge and form a branched system connecting the nipple to the lobules of the mammary gland.When lactogenesis occurs, under the influence of hormones, the milk is moved to the nipple by the action of smooth muscle contractions along the ductal system to the tip of the nipple.
The mammillotegmental fasciculus (mammillotegmental tract, or mammillotegmental bundle of Gudden) is a small bundle of efferent fibers from the hypothalamus running from the mammillary body to the tegmentum. [1]
Mammillary body, a part of the brain; Mammillary process, a tubercle on the lumbar vertebrae; Mammillaria (disambiguation) This page was last edited on 31 ...
The hypothalamus is divided into four regions (preoptic, supraoptic, tuberal, mammillary) in a parasagittal plane, indicating location anterior-posterior; and three zones (periventricular, intermediate, lateral) in the coronal plane, indicating location medial-lateral. [7] Hypothalamic nuclei are located within these specific regions and zones. [8]