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Kit Ng, Ph.D.

Anatomy & Physiology Professor

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Tag: Neurology

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Purkinje neurons in cerebellum

September 3, 2018September 3, 2018 Kit Ng

A collection of Purkinje neurons in the cerebellum, stained for neurofilament, taken at increasing magnification. Continue reading Purkinje neurons in cerebellum

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Sheep Brain

March 15, 2017March 15, 2017 Kit Ng

(Last updated: 3-15-2017) This page will be updated with more pictures.  Most pictures in this page contain a link in the caption to the annotated version of the same picture. Continue reading Sheep Brain

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Sagittal Head model

December 11, 2016 Kit Ng

Model showing the sagittal section of the head, showing the relationship between bone, brain, and upper respiratory tract. Continue reading Sagittal Head model

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Neuron in the Dorsal Root Ganglion

September 8, 2016September 8, 2016 Kit Ng

In the peripheral nervous system, cell bodies of neurons are organized as ganglion.  An example would be the Dorsal Root Ganglion that is found in the posterior nerve roots of the spinal cord.  The neurons found in it are classified … Continue reading Neuron in the Dorsal Root Ganglion

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Neuron

September 4, 2016September 16, 2016 Kit Ng

Neurons as a cell type have very diverse structures.  They could be classified by their modalities and morphologies.  Their functions are to conduct messages to and from the Central Nervous System and Peripheral Nervous System, or within each system.\   Continue reading Neuron

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Pacinian Corpuscle

August 14, 2016September 16, 2016 Kit Ng

Pacinian corpusles are structures that can be found in the dermis.  They are the encapsulated end of a sensory neuron that detects vibration and pressure.  The corpuscle resembles a flattened plate. Continue reading Pacinian Corpuscle

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Motor Endplate

August 12, 2016September 4, 2016 Kit Ng

Motor endplate is also known as terminal button.  This is the specialized synapse that an alpha-motorneuron makes to all the muscle fibers (i.e. a motorunit) it innervates.  Acetylcholine is secreted at the synapse that in turn depolarize the muscle fibers … Continue reading Motor Endplate

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Muscle Spindle

August 11, 2016 Kit Ng

Muscle spindle is a stretch receptor that is found within the belly of a muscle.  It monitors how stretched that particular muscle is and initiate the stretch reflex to prevent injury caused by over-stretching and to maintain posture. Below is … Continue reading Muscle Spindle

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Pia Mater

August 3, 2016August 3, 2016 Kit Ng

Pia mater is the innermost layer of the meninges, clinging tightly to the brain with all the sulcus and fissure.  It is composed of a thin layer of simple squamous epithelial cell and areolar tissue.  It is further invested with … Continue reading Pia Mater

Recent Posts

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