Biology

Diencephalon Definition Diencephalon is the posterior part of the forebrain that connects the midbrain with the cerebral hemispheres, encloses the third ventricle, and contains the…

About Thalamus Defnition Thalamus is the part of the vertebrate brain that lies at the rear of the forebrain. It relays sensory information to the…

Hippocampus Definition Hippocampus is a convoluted, seahorse-shaped structure in the cerebral cortex of the temporal lobe of the brain, composed of two gyri with white…

Amygdala Definition Amygdala is an almond-shaped mass of gray matter in the front part of the temporal lobe of the cerebrum that is part of…

Cerebrum Definition Cerebrum is the largest part of the vertebrate brain, filling most of the skull and consisting of two cerebral hemispheres divided by a…

Limbic System Definition Limbic System is a group of interconnected structures of the brain including the hypothalamus, amydala, and hippocampus that are located beneath the…

Anterior Pituitary Definition Anterior pituitary is a gland at the base of the brain in vertebrate animals that is divided into two regions, anterior and…

Hyperprolactinemia Definition Hyperprolactinemia (or Hyperprolactinaemia) is elevated levels of prolactin in the blood; which is a normal physiologic reaction during lactation, but pathologic otherwise; often…

Sella Turcica Definition Sella Turcica is a bony cavity housing the pituitary gland, which is located in the brain and responsible for secreting a number…

Sphenoid Bone Definition Sphenoid bone is the large butterfly-shaped compound bone at the base of the skull, which containing a protective depression for the pituitary…

Pituitary Gland Definition Pituitary gland is a pea-sized gland located in the center of the skull, inferior to the hypothalamus of the brain and posterior…

Neuroanatomy Definition Neuroanatomy is the branch of anatomy that deals with the nervous system. It is the neural structure of an organ or a part.…