What's the difference between scalp and skull?

Scalp


Definition:

  • (n.) A bed of oysters or mussels.
  • (n.) That part of the integument of the head which is usually covered with hair.
  • (n.) A part of the skin of the head, with the hair attached, cut or torn off from an enemy by the Indian warriors of North America, as a token of victory.
  • (n.) Fig.: The top; the summit.
  • (v. t.) To deprive of the scalp; to cut or tear the scalp from the head of.
  • (v. t.) To remove the skin of.
  • (v. t.) To brush the hairs or fuzz from, as wheat grains, in the process of high milling.
  • (v. i.) To make a small, quick profit by slight fluctuations of the market; -- said of brokers who operate in this way on their own account.

Example Sentences:

  • (1) We have not had another incidence of fetal scalp infection associated with intrapartum monitoring.
  • (2) It is often difficult to study the neurological and autonomic changes in the scalp in these patients.
  • (3) Tests included recording the scalp EEG, visual and auditory cerebral evoked-potentials, the CNV, cerebral slow potentials related to certainty of response correctness in auditory discrimination tasks, heart rate, respiration and the galvanic skin response.
  • (4) The possible use of impedance measurement with scalp electrodes to detect intracranial events non-invasively was investigated by measuring the localised impedance changes during cortical spreading depression (CSD) in anaesthetised rats.
  • (5) To identify the origin of scalp-recorded far-field negativity of short-latency somatosensory evoked potentials to median nerve stimulation (designated N18), direct records were made from the thalamus and ventricular system during 4 stereotaxic and 3 posterior fossa operations.
  • (6) Complications from tissue expansion of the scalp are similar to those encountered with the placement of expanders elsewhere in the body.
  • (7) Scalp EEGs correctly localized the side and region of seizure onset in only 1 patient.
  • (8) Selective angiography revealed a scalp AVM fed by bilateral superficial temporal and right occipital arteries.
  • (9) After the unsuccessful treatment with classical methods by skin grafting, a mixed myocutaneous Latissimus Dorsi and cutaneous parascapular flap allow the coverage of 25 centimetres of the scalp in his larger axis.
  • (10) To evaluate whether local anesthetic scalp infiltration blunts hemodynamic responses to craniotomy in anesthetized children (age, 2-18 yr), two concentrations of bupivacaine (0.125% and 0.25%) with vasoconstrictor (epinephrine 1:400,000) were compared with control data when a solution of vasoconstrictor alone was injected.
  • (11) This operation provides an important alternative to either standard or major scalp reductions.
  • (12) Monitoring evoked potentials from the brain for prolonged periods during neurosurgical procedures ideally requires attached scalp electrodes that may be placed in a sterile field.
  • (13) The effect of scalp hypothermia in connection with chemotherapy was evaluated as hair protection in 61 women with disseminated breast carcinoma, where earlier treatment routines had caused wig-requiring alopecia in nearly all patients.
  • (14) Here we give an example of its application to a comparison of curves, in this particular case average auditory evoked potentials, picked up at symmetrical points on the scalp.
  • (15) In a continuing study of the EEG as a monitor of cortical activity during anesthesia using a time-domain wave analyzer, the contamination of the EEG by scalp muscle activity was observed.
  • (16) Angiosarcomas of the skin develop almost exclusively in the following clinical settings: (1) the lymphedematous extremity, secondary to prior mastectomy in most instances; (2) the face and scalp, usually in elderly individuals; and (3) skin that has been previously radiated.
  • (17) These findings may require a rethinking of specific information processing interpretations of other endogenous ERPs, although the results also indicate that the 'oddball' effect on the P300 and CNV was distinctive in terms of scalp distributions and sensitivity to the manipulation.
  • (18) A left scalp skin flap (2.5 by 7 cm) based on the superficial temporal artery and vein was transferred to the bald area, with microvascular anastomosis to the superficial temporal vessels on the right side.
  • (19) Pattern 2, distant metastasis without scalp or regional lymph node spread, was associated with early radiotherapy and chemotherapy.
  • (20) Cortical activation patterns as measured by negative shifts of the scalp-recorded cortical steady potential ("DC shifts") were assessed in 28 normal subjects during imagining colours, faces, and a spatial map.

Skull


Definition:

  • (n.) A school, company, or shoal.
  • (n.) The skeleton of the head of a vertebrate animal, including the brain case, or cranium, and the bones and cartilages of the face and mouth. See Illusts. of Carnivora, of Facial angles under Facial, and of Skeleton, in Appendix.
  • (n.) The head or brain; the seat of intelligence; mind.
  • (n.) A covering for the head; a skullcap.
  • (n.) A sort of oar. See Scull.

Example Sentences:

  • (1) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
  • (2) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
  • (3) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
  • (4) We report a rare case of odontogenic abscess, detected while the patient was in the intensive care unit (ICU), which resulted in sepsis and the patient's death due to mediastinitis, skull osteomyelitis, and deep neck cellulitis.
  • (5) This lack of symmetry in shape and magnitude may be due to non-sphericity of the skull over the temporal region or to variations in conductivities of intervening tissues.
  • (6) As I looked further, I saw that there was blood and hair and what looked like brain tissue intermingled with that to the right area of her skull."
  • (7) The inner table of the skull over the lesion was eroded.
  • (8) A three-dimensional anatomic model of a human skull was produced with birefringent materials for photoelastic analysis.
  • (9) The effects on skull growth of plating the coronal suture and frontal bone were studied in New Zealand White rabbits.
  • (10) Much more recently, use of modern CT ("computed tomography") scanning equipment on the London Archaeopteryx's skull has enabled scientists to reconstruct the whole of its bony brain case - and so model the structure of the brain itself.
  • (11) Tension pneumocephalus was diagnosed by computed tomography (CT) scan and plain skull X-ray.
  • (12) After removal from the skull, the brains were processed for histopathological evaluation of ischemic neuronal damage by light microscopy and morphometry.
  • (13) The author describes three systems for (1) the treatment of mandibular fractures; (2) the treatment of midface fractures, for reconstructive surgery of the facial skeleton and the skull, and for orthognathic surgery; and (3) the reconstruction of mandibular defects including condyle replacement.
  • (14) To avoid the complications attributable to the cervical spine, we recommend roentgenographic examination in all neurofibromatosis patients who are about to have general anesthesia or skull traction for treatment of scoliosis.
  • (15) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
  • (16) Lateral skull X-ray images are routinely used in cephalometric analysis to provide quantitative measurements useful to clinical orthodontists.
  • (17) The absence of a visible fracture on plain skull radiographs does not exclude a fracture, and those patients with clinical signs of a fracture should be treated appropriately and further investigations performed.
  • (18) In our study, 17 fractures were detected in 594 patients who had skull radiography because of trauma to the head.
  • (19) The algorithm is an improvement over the sphere model in that it considers two distinct surfaces: an ellipsoid, to model the region of the skull on which the sensors are placed, and a sphere as the medium in which the current dipole model is considered.
  • (20) A new combination of techniques for resection of hemangiopericytoma of the skull base is described.