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Research · Volume 4. Odour molecules and human olfactory anatomy · 7/7

Appendices B and C. Glossary, sources and access limits

A Vietnamese–English glossary and a note on how sources were collected, levels of access and the limits of this monograph.

Bilingual glossary

VietnameseEnglishShort definition
Sự kiện quanh thụ thểPerireceptor eventsAll processes acting on an odorant molecule before it binds a receptor: airflow, sorption, mucus, enzymes.
Khe khứu giácOlfactory cleftNarrow region in the roof of the nasal cavity that contains the olfactory epithelium.
Động lực học chất lưu tính toánComputational fluid dynamics (CFD)Simulation of nasal airflow built from CT images.
Chu kỳ mũiNasal cycleAlternation of the dominant patent nostril, with an average cycle of about 2 hours while awake.
Hệ số phân bốPartition coefficientRatio of a compound’s concentration between two phases, here mucus and air.
Quan hệ năng lượng tự do tuyến tínhLinear free-energy relationship (LFER)Model that predicts odour thresholds from physicochemical descriptors.
Protein gắn mùiOdorant-binding protein (OBP)Mucus protein that binds odorants; in humans, OBP2A and OBP2B.
Chuyển hóa sinh học chất mùiOdorant biotransformationEnzymatic conversion of odorants in the mucus or epithelium before they reach the receptor.
Đường trước mũi / sau mũiOrthonasal / retronasalOdour entering through the nostrils / odour travelling back up from the mouth during eating and drinking.
Thụ thể đồng thuậnConsensus receptorArtificial sequence built from the average of a receptor family, used to obtain a stable structure.
Lý thuyết hình dạng / dao độngShape / vibration theoryTwo hypotheses about how receptors recognise molecules: through geometry and physicochemistry, or through bond vibration frequencies.
Đồng phân gươngEnantiomerTwo forms of a molecule that are non-superimposable mirror images of each other.
Cầu khứuGlomerulusUnit of convergence of sensory neuron axons in the olfactory bulb; humans have about 5,000–8,000 per bulb.
Tế bào mitralMitral cellPrincipal projection neuron of the olfactory bulb.
Tạo neuron mới ở người trưởng thànhAdult neurogenesisVirtually absent in the adult human olfactory bulb; present in the olfactory epithelium.
Định tuổi bằng carbon-14Carbon-14 birth datingDating of cells based on the isotope released by 20th-century nuclear tests.
Cổ vỏPaleocortexThree-layered type of cortex, including the piriform cortex.
Vỏ chuyển tiếpPeriallocortexTransitional cortex between paleocortex and neocortex.
Nhân endopiriformEndopiriform nucleusNucleus lying deep to the piriform cortex, often included when piriform volume is measured.
Đồi thị lưng-giữaMediodorsal thalamusRelay on the indirect pathway to the orbitofrontal cortex; in humans it supports olfactory attention.
TractographyTractographyReconstruction of axonal pathways from diffusion MRI; unreliable for small olfactory structures.
Mép trướcAnterior commissureFibre bundle connecting the two hemispheres, including an olfactory component.
Tính bênLateralityFunctional difference between the two hemispheres.
Ngửi mùBlind smellPreserved non-conscious responses to odours despite loss of conscious odour perception.

On sources and access limitations

The four collection strands used web searches and direct access to publisher pages, university repositories and author manuscripts. Many pages required browser verification; no verification mechanism was bypassed, and those sources are recorded as abstract-only. One important source that could not be read is the meta-analysis defining the olfactory region of the orbitofrontal cortex (Gottfried & Zald 2005). Every value taken from a secondary source or from an abstract alone is flagged in the “Access” column of Appendix A.

A monograph compiled from 259 sourced facts collected under a common protocol. Practical-implication sections are the compilers’ inferences. Diagrams are newly drawn from published data. Scientific reference material, not medical advice.