the particular part of a chromosome that is associated with a nucleolus after nuclear division
noradrenaline
Noun
a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
norepinephrine
Noun
a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
nonallele
Noun
genes that are not competitors at the same locus
neoplastic cell
Noun
a cell that is part of tumor
neuromuscular junction
Noun
the junction between a nerve fiber and the muscle it supplies
nervous system
Noun
the sensory and control apparatus consisting of a network of nerve cells
nervus
Noun
any bundle of nerve fibers running to various organs and tissues of the body
neural structure
Noun
a structure that is part of the nervous system
nerve center
Noun
a cluster of nerve cells governing a specific bodily process
nerve center
Noun
a center that provides information and control
neutrophil
Noun
the chief phagocytic leukocyte
neutrophile
Noun
the chief phagocytic leukocyte
nerve centre
Noun
a cluster of nerve cells governing a specific bodily process
nerve centre
Noun
a center that provides information and control
nerve fiber
Noun
a threadlike extension of a nerve cell
nerve fibre
Noun
a threadlike extension of a nerve cell
nodes of Ranvier
Noun
small gaps in the myelin sheath of medullated axons
nerve pathway
Noun
a bundle of myelinated nerve fibers following a path through the brain
neurolemma
Noun
thin membranous sheath around a nerve fiber
neurilemma
Noun
thin membranous sheath around a nerve fiber
nerve tract
Noun
a bundle of myelinated nerve fibers following a path through the brain
nerve cell
Noun
a cell that is specialized to conduct nerve impulses
neuron
Noun
a cell that is specialized to conduct nerve impulses
neuroblast
Noun
a cell from which a nerve cell develops
neuroglia
Noun
sustentacular tissue that surrounds and supports neurons in the central nervous system
nervii olfactorii
Noun
a collective term for numerous olfactory filaments in the nasal mucosa
neurogliacyte
Noun
a cell of the neuroglia
neuroglial cell
Noun
a cell of the neuroglia
nervus opticus
Noun
the cranial nerve that serves the retina
nervus oculomotorius
Noun
supplies extrinsic muscles of the eye
nerve ending
Noun
the terminal structure of an axon that does not end at a synapse
nerve end
Noun
the terminal structure of an axon that does not end at a synapse
nervus glossopharyngeus
Noun
sensory nerve to the pharynx and back of the tongue
ninth cranial nerve
Noun
sensory nerve to the pharynx and back of the tongue
nervus vagus
Noun
a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera
nucleus niger
Noun
a layer of deeply pigmented grey matter in the midbrain
nervus hypoglosus
Noun
supplies intrinsic muscles of the tongue and other tongue muscles
neencephalon
Noun
the part of the brain having the most recent phylogenetic origin
neural network
Noun
any network of neurons or nuclei that function together to perform some function in the body
neural network
Noun
computer architecture in which processors are connected in a manner suggestive of connections between neurons
neoencephalon
Noun
the part of the brain having the most recent phylogenetic origin
neural net
Noun
any network of neurons or nuclei that function together to perform some function in the body
neural net
Noun
computer architecture in which processors are connected in a manner suggestive of connections between neurons
neopallium
Noun
the cortical part of the neencephalon
neocortex
Noun
the cortical part of the neencephalon
neuropil
Noun
the complex network of unmyelinated axones, dendrites, and glial branches that form the bulk of the central nervous system's grey matter and in which nerve cell bodies are embedded
neuropile
Noun
the complex network of unmyelinated axones, dendrites, and glial branches that form the bulk of the central nervous system's grey matter and in which nerve cell bodies are embedded