- cranial segments
- three segments into which the bones of the cranium may be divided; see frontal s., occipital s., and parietal s.
Medical dictionary. 2011.
Medical dictionary. 2011.
Cranial nerves — are nerves that emerge directly from the brain stem in contrast to spinal nerves which emerge from segments of the spinal cord. Although thirteen cranial nerves in humans fit this description, twelve are conventionally recognized. The nerves from … Wikipedia
Cranial nerve — Nerve: Cranial nerves Inferior view of the brain and brain stem showing cranial nerves. An unlabelled version is here Latin nervus cranialis (plural: nervi cranial … Wikipedia
Cranial root of accessory nerves — Nerve: Cranial root of accessory nerves Brain stem sagittal section (11 visible near bottom center. Note how in this diagram, root derives entirely from spinal portion, and ascends to cranium.) … Wikipedia
cranial segment — noun : any of three annular segments into which the bones of the cranium proper may be grouped: a. : an occipital segment consisting of the basioccipital, exoccipital, and supraoccipital bones b. : a parietal segment consisting of the… … Useful english dictionary
frontal segment — the anterior of the three cranial segments … Medical dictionary
occipital segment — the posterior of the three cranial segments … Medical dictionary
parietal segment — the central of the three cranial segments … Medical dictionary
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See … Medical dictionary