42 Questions
What artery gives rise to the superior hypophyseal artery?
Internal carotid artery
What is the function of the hypophyseal portal system?
To deliver hormones into the anterior pituitary gland
What is the process by which hormones are released into the hypophyseal portal system?
Exocytosis
What is the location of the capillaries that drain into the long and short descending vessels?
Median eminence
What is the purpose of the vascular sinusoids in the anterior lobe of the hypophysis?
To pass between the secretory cells
What is the source of the hormones that are released into the hypophyseal portal system?
Hypothalamus
What is the location of the tufts of capillaries that drain into the long and short descending vessels?
Median eminence
What is the function of the hypothalamohypophyseal tract?
To release vasopressin and oxytocin into the posterior pituitary gland
What is the site where peripheral olfactory receptors are located?
Olfactory epithelium
What is the structure that olfactory nerve fibers pass through?
Fenestrae of the cribriform plate
What is the function of the mitral cells in the olfactory bulb?
To receive input from the olfactory nerve fibers
What is the destination of the axons from the tufted cells in the olfactory bulb?
Medial olfactory striae
What is the structure that connects the medial olfactory striae to the contralateral olfactory bulb?
Anterior commissure
What is the region of the brain that receives input from the lateral olfactory striae?
Both A and B
What is the term for the site where olfactory nerve fibers synapse with neurons in the olfactory bulb?
Synaptic glomeruli
What is the part of the brain that the olfactory bulb is an extension of?
Telencephalon
What is the name of the structure that the fornix becomes continuous with?
Fimbria
What is the anatomical structure that connects the hypothalamus with the hippocampus?
Fornix
What is the function of the hippocampus in terms of memory?
Converting recent memory to long-term memory
What is the name of the gray matter area that extends from the rostral end of the inferior horn of the lateral ventricle to the back of the corpus callosum?
Hippocampal formation
What is the term for the thin layer of white matter in the convex ventricular surface of the hippocampus?
Alveus
What is the structure formed by the convergence of the two crura of the fornix?
Body of the fornix
What is the term for the 'feet-like' expansion at the anterior end of the hippocampus?
Pes hippocampus
What is the name of the tract that provides important connections between the mammillary body and the anterior nuclear group of the thalamus?
Mammillothalamic tract
What is the effect of a lesion of the hippocampus on an individual's memory?
Inability to store long-term memories
What is the layer of tissue that covers the convex ventricular surface of the hippocampus?
Ependyma
What is the structure that emerges from the posterior aspect of the amygdaloid nucleus?
Stria terminalis
What is the term for the transverse fibers that connect the two crura of the fornix?
Commissure of the fornix
What is the function of the hippocampus in terms of emotional responses?
Development of sensations of emotion with visceral responses
What is the term for the part of the parahippocampal gyrus that is part of the hippocampal formation?
Subiculum
What is the structure that curves anteriorly and inferiorly over the interventricular foramen (foramen of Monro)?
Column of the fornix
What is the term for the bundle of nerve fibers that originates in the hippocampal cortex?
Alveus
What is the origin of the afferent fibers that connect to the dentate gyrus?
Entorhinal cortex
Which pathway connects the dentate gyrus to the hippocampus?
Mossy fibers
What is the target of the efferent fibers from the hippocampus that travel through the fornix?
All of the above
Which structure is connected to the hypothalamus through the direct amygdalofugal pathway?
Amygdala
What is the pathway responsible for the connection between the hippocampus and the subcallosal area?
Longitudinal striae
Which structure receives efferent fibers from the hippocampus and projects to the hypothalamus?
Mammillary bodies
What is the target of the afferent fibers from the septum to the dentate gyrus?
Dentate gyrus
Through which pathway do the efferent fibers from the hippocampus project to the habenula?
Medial forebrain bundle
Which structure is connected to the taste and olfaction system?
Limbic system
What is the pathway responsible for the connection between the hippocampus and the septal area?
Stria terminalis
Test your knowledge of the olfactory pathway, from the nasal mucosa to the olfactory bulb, and learn about the different types of neurons involved in this process. Explore the structure and function of the olfactory system and its role in our sense of smell. Improve your understanding of neuroscience and anatomy with this quiz.
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