(n.) The anterior or superior part of an animal, containing the brain, or chief ganglia of the nervous system, the mouth, and in the higher animals, the chief sensory organs; poll; cephalon.
(n.) The uppermost, foremost, or most important part of an inanimate object; such a part as may be considered to resemble the head of an animal; often, also, the larger, thicker, or heavier part or extremity, in distinction from the smaller or thinner part, or from the point or edge; as, the head of a cane, a nail, a spear, an ax, a mast, a sail, a ship; that which covers and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler.
(n.) The place where the head should go; as, the head of a bed, of a grave, etc.; the head of a carriage, that is, the hood which covers the head.
(n.) The most prominent or important member of any organized body; the chief; the leader; as, the head of a college, a school, a church, a state, and the like.
(n.) The place or honor, or of command; the most important or foremost position; the front; as, the head of the table; the head of a column of soldiers.
(n.) Each one among many; an individual; -- often used in a plural sense; as, a thousand head of cattle.
(n.) The seat of the intellect; the brain; the understanding; the mental faculties; as, a good head, that is, a good mind; it never entered his head, it did not occur to him; of his own head, of his own thought or will.
(n.) The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea.
(n.) A headland; a promontory; as, Gay Head.
(n.) A separate part, or topic, of a discourse; a theme to be expanded; a subdivision; as, the heads of a sermon.
(n.) Culminating point or crisis; hence, strength; force; height.
(n.) Power; armed force.
(n.) A headdress; a covering of the head; as, a laced head; a head of hair.
(n.) An ear of wheat, barley, or of one of the other small cereals.
(n.) A dense cluster of flowers, as in clover, daisies, thistles; a capitulum.
(n.) A dense, compact mass of leaves, as in a cabbage or a lettuce plant.
(n.) The antlers of a deer.
(n.) A rounded mass of foam which rises on a pot of beer or other effervescing liquor.
(n.) Tiles laid at the eaves of a house.
(a.) Principal; chief; leading; first; as, the head master of a school; the head man of a tribe; a head chorister; a head cook.
(v. t.) To be at the head of; to put one's self at the head of; to lead; to direct; to act as leader to; as, to head an army, an expedition, or a riot.
(v. t.) To form a head to; to fit or furnish with a head; as, to head a nail.
(v. t.) To behead; to decapitate.
(v. t.) To cut off the top of; to lop off; as, to head trees.
(v. t.) To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain; as, to head a drove of cattle; to head a person; the wind heads a ship.
(v. t.) To set on the head; as, to head a cask.
(v. i.) To originate; to spring; to have its source, as a river.
(v. i.) To go or point in a certain direction; to tend; as, how does the ship head?
(v. i.) To form a head; as, this kind of cabbage heads early.
Example Sentences:
(1) This study was undertaken to determine whether the survival of Hispanic patients with squamous cell carcinoma of the head and neck was different from that of Anglo-American patients.
(2) An association of cyclophosphamide, fluorouracil and methotrexate already employed with success against solid tumours in other sites was used in the treatment of 62 patients with advanced tumours of the head and neck.
(3) Head-injured patients had a low thyroxine (T4), low triiodothyronine (T3), and high reverse T3.
(4) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
(5) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
(6) Businesses fleeing Brexit will head to New York not EU, warns LSE chief Read more Amid attempts by Frankfurt, Paris and Dublin to catch possible fallout from London, Sir Jon Cunliffe said it was highly unlikely that any EU centre could replicate the services offered by the UK’s financial services industry.
(7) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(8) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
(9) Lin Homer's CV Lin Homer left local for national government in 2005, giving up a £170,000 post as chief executive of Birmingham city council after just three years in post, to head the Immigration Service.
(10) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
(11) Both Ken Whisenhunt and Lovie Smith were fired as head coaches after the 2012 season.
(12) Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification.
(13) Eight cases of calcification following anterior dislocation of the head of the radius are described.
(14) Younge, a former head of US cable network the Travel Channel, succeeded Peter Salmon in the role last year.
(15) Martin Wheatley will remain head of the Conduct Business Unit and become the future chief executive of the FCA.
(16) It happens to anyone and everyone and this has been an 11-year battle.” Emergency services were called to the oval about 6.30pm to treat Luke for head injuries, but were unable to revive him.
(17) This study reviewed 148 patients who had received radiation for head and neck cancer.
(18) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
(19) The authors describe a new technique for evaluating traumatic conditions to the elbow: the radial head-capitellum view.
(20) Nick Robins, head of the Climate Change Centre at HSBC, said: "If you think about low-carbon energy only in terms of carbon, then things look tough [in terms of not using coal].
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.