forebrain

American  

[fawr-breyn, fohr-] / ˈfɔrˌbreɪn, ˈfoʊr- /

noun

Anatomy.

1. Also called prosencephalon.  the anterior of the three primary divisions of the brain in the embryo of a vertebrate, or the part of the adult brain derived from this tissue including the diencephalon and telencephalon.

2. the telencephalon.

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forebrain British  

/ ˈfɔːˌbreɪn /

noun

1. the nontechnical name for prosencephalon

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forebrain Scientific  

/ fôr′brān′ /

1. The forwardmost part of the vertebrate brain. In humans, it consists of the thalamus, the hypothalamus, and the cerebrum.

2. Compare hindbrain midbrain

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Etymology

Origin of forebrain

First recorded in 1875–80; fore- + brain

Example Sentences

Previous studies in which birds were injected with dye showed their brains have one region in the forebrain to process touch to the face and head, and one for touch anywhere else on the body.

From Science Daily • May 29, 2024

A group of researchers at University of California San Diego School of Medicine led an investigation that offers new insight into the development of the human forebrain.

From Science Daily • Apr. 16, 2024

The neuron density of its forebrain — the region engaged with planning, sensory processing, and emotional responses, and on which REM sleep is largely dependent — is comparable to that of primates.

From New York Times • Mar. 26, 2024

In this week’s issue of Cell, a research team in Europe reports using fetal brain tissue to grow 3D structures that resemble those that naturally occur in the cortex, forebrain, or spinal cord.

From Science Magazine • Jan. 10, 2024

Figure 5C passes through the posterior region of the pharynx, ph, the tip of the forebrain, fb, the anterior edge of the heart, ht, and the curve of the tail, t.

From Development of the Digestive Canal of the American Alligator by Reese, C. M.