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Isthmus

Connection of two regions or structures.

Isthmus, thyroid

Tissue connection between right and left thyroid lobes.

Isthmusectomy

surgical removal of the isthmus

Contralateral

affecting the opposite side

Thyroidectomy

surgical removal of the thyroid

Thyroglossal duct

develops in the embryo stage after the formation of the thyroid gland

Thymectomy

surgical removal of the thymus

Adrenal

glands located on the top of the kidneys that produce steroid hormones

Thyroid

part of the endocrine system, a gland that produces hormones that regulate metabolism

Thymus

produces hormones important to the immune response

Parathyroid

produces a hormone to mobilize calcium from the bones to the blood.

Cranium

that part of the skeleton that encloses the brain

skull

entire skeletal framework of the head

stereotaxis

a method of identifying a specific area or point in the brain

laminectomy

surgical excision of the lamina

somatic nerve

sensory or motor nerve

sympathetic nerve

part of the peripheral nervous system that controls automatic body function; activated under stress

peripheral nerve

twelve parts of cranial nerves, 31 pairs of spinal nerves, and autonomic nervous system; connects peripheral receptors to the brain and spinal cord

shunt

divert of make an artificial passage

central nervous system

brain and spinal cord

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