interstitial nucleus

in·ter·sti·tial nu·cle·us

a group of widely spaced, medium-size neurons in the dorsomedial region of the upper mesencephalic tegmentum, immediately lateral to the nucleus of Darkschewitsch; together with the latter, the interstitial nucleus is closely associated with the medial longitudinal fasciculus, through which it receives fibers from the vestibular nuclei and projects crossed fibers through the posterior commissure to the oculomotor nucleus; also projects fibers to all spinal levels. It is believed to be involved in the integration of head and eye movements, particularly eye movements of a vertical or oblique nature.
Farlex Partner Medical Dictionary © Farlex 2012

Ca·jal nu·cle·us

(kah-hahl' nū'klē-ŭs)
Collection of nerve cells lying at the rostral end of the medial longitudinal fasciculus; has reciprocal projections to the vestibular nuclei and also connects to the spinal cord.
Synonym(s): interstitial nucleus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


Santiago, Spanish histologist and Nobel laureate, 1852-1934.
Cajal astrocyte stain - a method for demonstrating astrocytes by impregnation in a solution containing gold chloride and mercuric chloride.
Cajal cell - Synonym(s): horizontal cell of Cajal
Cajal formol ammonium bromide solution
Cajal gold-sublimate method
Cajal uranium silver method
horizontal cell of Cajal - a small fusiform cell found in the superficial layer of the cerebral cortex with its long axis placed horizontally. Synonym(s): astrocyte; Cajal cell
interstitial nucleus of Cajal - a group of neurons believed to be involved in the integration of head and eye movements. Synonym(s): interstitial nucleus
Medical Eponyms © Farlex 2012
References in periodicals archive ?
riMLF: rostral interstitial nucleus of medial longitudinal fasciculus, iNC: interstitial nucleus of Cajal, CCN: caudal central subnucleus, MLF: medial longitudinal fasciculus, III N: oculomotor nucleus, VI N: abducens nucleus, IO: intraocular muscles, SR: superior rectus muscle, MR: medial rectus muscle, Lid: Levator palpebrae superioris muscle, IR: inferior rectus muscle, and pupil: sphincter pupillae muscles.
The neurons for vertical saccades arise from nuclei in the prerubral fields (top of the brainstem) in front of the red nucleus, in the rostral interstitial nucleus of the medial longitudinal fasciculus (riMLF) (Fig 2).
Signals required to hold the eyes steady in the desired position arise from the interstitial nucleus of Cajal (INC) (Fig 2), which projects to the oculomotor and trochlear nuclei via the posterior commissure.

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