Arsenic
Arsenic. — Arsenic (as), A Native Metal, Appears As A Lustrous, Crystalline, Brittle Mass, Of A Steel-gray Color, With Out Odor Or Taste. It Volatilizes Above 100° C. Commercial White Arsenic Is Prepared From The Native Ore By A Proc Ess Of Roasting And Sublimation. White Arsenic (arsenic, Acidum Ar ...
Arterial Pulsation
Arterial Pulsation. — Localized, Thoracic Aneurism. Examination With Fluoro Scope: The Curved Line In The Upper Part Of Patient's Left Chest And The Curved Line On His Right Chest Indicate The Outline Of The Aneurism As Seen In The Fluoroscope. The Lower Curved Line On The Left Chest Marks The ...
Ascites
Ascites. — With Uncomplicated Ova Rian Cysts Diagnosis From Ascites Is Not Difficult. They Have In Common En Largement Of The Abdomen, Fluctuation, And Symptoms Arising From Pressure Against The Diaphragm. Both May Be Characterized By Progressive Loss Of Strength And Flesh, More Or Less Oedema Of Other Parts Of ...
Asthma
Asthma (from The Greek, Acrotta; From, Aw, I Blow). Definition. — A Neurosis Characterized By More Or Less Severe Paroxysmal Dysp Ncea, Due To Spasmodic Narrowing Of The Bronchial Lumen, Alternating With Spasm Of The Muscles Of The Thorax. Symptoms.—in The Typical Form Pre Monitory Symptoms—such As Uneasiness About The ...
Atropine
Atropine. — Atropine (atropina Of The U. S. Ph. And Br. Ph.; Atropinum Of German Ph.) Is An Alkaloid Obtained From The Leaves And Roots (bark Of The Root) Of The Deadly-nightshade (atropa Belladonna, L.). It Occurs In White, Acicular Crystals, Or In White, Amorphous Powder (turns Yellow Upon Exposure ...
Auscultation
Auscultation In The Early Stage Re Veals Diminished Breath-sounds, And Very Shortly The Crepitant Rale Is To Be De Tected, Especially At The Termination Of A Full Inspiration. In Addition To This Sig Nificant Rale Various Riles, Some Coarse, Some Fine, Moist As Well As Dry, Are To Be Heard ...
B Chronic
(b) Chronic Goitre.—i. Congenital. —this May Be Of Very Varying Forms, As Above Indicated In Wolfler's Classifica Tion. It Is Relatively Rare. Ii. Vascular Goitre.—this Is Most. Frequently Due To A Distension Of The Abundant Venous Plexus Of The Gland; The Organ Is Generally Enlarged And Is Liable To Press ...
B Dermatitis From Animal
(b) Dermatitis From Animal Irri Tants.—among Cases Of Dermatitis Ven Enata Of Animal Origin May Be Included The Cutaneous Inflammations Caused By The Stings And Bites Of Insects, Such As Bees, Wasps, Fleas, Bed-bugs, Lice, And Mosquitoes. The Inflammatory Effects Vary In Different Persons. While In Most Cases The Bite ...
B Immediate
(b) Immediate Causes.—according To Recent Statistics, In About One-half Of The Cases Of Acquired Deaf-mutism The Deafness Is Acquired During The First Three Years Of Infancy, The Greater Number Of Cases Falling In The Third (statistics From The -united States) Or The Second (euro Pean Statistics) Year Of Life; Then ...
B Siiober
B. Siiober, Philadelphia. Pernio (chilblain).—pernio Is An Erythematous Local Inflammation And Swelling Of The Skin Due To Cold. (see Also Erythema.) Symptoms.—in The Majority Of Cases There Is Slight Redness, Swelling, Itching, And Burning Of The Part. These Symp Toms All Become Intensified In Severe Cases, And The Inflammation May ...
Balanitis And
Ba.lanitis And Posthitis.—balarti Tis Is An Inflammation Of The Mucous Sur Face Of The Glans Penis, And Posthitis An Inflammation Of The Mucous Layer Of The Prepuce. As The Two Surfaces Are Usually Attacked Simultaneously Tire Term Baia Noposthitis Is Used. The Predisposing Cause Is A Redundant Or Phimotic Foreskin. ...
Barium
Barium. — Barium Is Not Employed Medicinally, And Is Of No Interest To Physicians Except As They May Require Its Aid For Purposes Of Chemical Research. So, Too, Of The Fifty Salts Of The Metal, But Two—the Chloride And Sulphocarbo Late Have Ever Been Employed Therapeu Tically, And Even Then ...
Barlows Disease
Barlow's Disease, See Scor Butus, Infantile. Belladonna.—belladonna (deadly Nightshade) Is A Solanaceous Plant, Bo Tanically Known As Airopa Belladonna, Linne. It Is Indigenous To Southern Europe And Central Asia. Two Parts Of The Plant Are Used In Medicine: The Leaves And Root. The Preparations Are Extract (solid) And Tincture Of ...
Beaumetz
Beaumetz And Dubief, Assoc. Eds., Annual, '94.] In A Series Of Experiments Upon The Action Of Orehitic Extracts Registered By Means Of A Specially Devised Neuro Muscular Apparatus, Conclusion Reached That Capacity For Work Is Increased By The Action Of Such Extracts, And In The Fatigue As Well A Diminution ...
Benign Growths
Benign Growths Are Generally Pe Dunculated; Cancers Rarely So; Benign Growths, Unless Ulcerated, Are Bathed In Healthy, Transparent Mucus; Cancers Dis Charge Offensive, Chocolate-colored Mat Ter, The Odor Of The Same Being Almost Pathognomonic Of Malignant Disease. Benign Tumors Are Not Friable, Like Ma Lignant Growths, Nor Do They Bleed ...
Benzoic Acid
Benzoic Acid. — Benzoic Acid Is A Peculiar Principle And Is Had From Many Different Sources. It Is Made By Oxida Tion Of Toluene With Nitric Acid, Which Is The Most Common Form. It Is Derived, Also, From The Different Benzoins, Asiatic And American; From Urine, Etc. The Best, However, ...
Benzonaphthol
Benzonaphthol. See Naph Thalin. Beriberi.—jap.„ Kakke. It Has Been Suggested That The Term Is From Bher Bheri, A Ilindoo Word Meaning A Sore Or Swelling; Or From B7iere, A Sheep. From The Fancied Resemblance Between The Gait Of Sufferers From This Disease And The Jerky Movements Of Sheep; Or From ...
Bichloride Of Mercury
Bichloride Of Mercury. See Merociiv. Bismuth.—bismuthum Is A Whitish Gray, Hard, Though Brittle, Metal, With Melting-point At 2s6.3° C. It Is Soluble In Nitrohydrochloric, Nitric. And Hot Sul Phur Acids. It Is Very Commonly Contaminated With Lead, Iron, And Copper, Together With Traces Of Arsenic, Antimony, And Tellurium. In The ...
Blepharitis And Blepharad Enitis
Blepharitis And Blepharad Enitis. Definition. — Blepharitis Can Best Be Defined As An Inflammation Of The Mei Bomian, Or Sebaceous, Glands Of The Hair Follicles, And, Secondarily, Of The Follicles Themselves. It May Occur As A Symptom Of Some Form Of Reflex Irritation From Refraction Errors, Or May Accompany Conjunctival ...
Blepharospasm
Blepharospasm Is An Involuntary Con Traction Of The Orbicularis Palpebrarum, And May Be Either The Result Of Irritation Of The Ophthalmic Division Of The Fifth Nerve By Reflex Action, As In Disease Of The Cornea, Etc., Or It May Be An Essential Spasm, Occurring In Eyes That Are Per Fectly ...
Blood Disorders
Blood Disorders. — The Physiolog Ical Functions Of The Spleen Promptly Suggested The Use Of Spleen Extract In Diseases Of The Blood, And Encouraging Results Were Obtained By Danilewski And Cohnstein. The Former Had Found That The Use Of A Watery Extract Of The Ox's Spleen, Whether Given By The ...
Boracic Acid
Boracic Acid. — Boracic, Or Boric, Acid Appears In The Form Of White, Trans Lucent Or Lustrous Scales Or Needles, And Is Usually Prepared By Adding Hydro Chloric Acid To A Hot Solution Of Borax (sodium Borate); When Comparatively Fresh It Exhales A Faint Odor Of Henzoin. It Has A ...
Bottinis
Bottini's Operation.—this Method Of Treatment Has Recently Been Revived, And With The Improved Instrument Is Doubtless Destined To Meet The Require Ments In Certain Cases Better Than Any Other. It Would Seem Particularly Suited To The Cases In Which There Is A Distinct Bar At The Neck Of The Bladder. ...
Brights Disease
Bright's Disease. Acute Nephritis. Definition. — An Acute Inflammation Of The Kidneys, And Either Of A Mild, Severe, Or Grave Character. It May Be More Or Less Diffuse In Nature. Three Varieties Of Acute Renal Disease Are De Scribed By Delafield Under The Term Acute Bright's Disease: (1) Acute Degen-• ...
Bromates Bromine And Its
Bromine And Its Derivatives (bromides, Bromates, Etc.). Bromine Is A Dark-reddish-brown, Vola Tile Fluid, Emitting Pungent And Acrid Fumes, Caustic In Action And Taste. It Is Sparingly Soluble In Water (1 To 33), Very Soluble In Chloroform, And Likewise In Ether And Alcohol, Both Of Which, However, It Gradually Decomposes. ...
Bromide Of
Bromide Of Ethyl.—bromide Of Ethyl, Or Hydrobromic Ether, Is An Anms Thetic Prepared By Combining Bromine With Alcohol In The Presence Of Phos Phorus. It Was Discovered By Serullas, A French Chemist, Early In This Century. It Is An Extremely Volatile And Colorless Liquid, Sweetish To The Taste, And Pos ...
Bronchial
Bronchial Affections.—caffeine Is Valuable In Bronchial Asthma And In Bron Chitis Associated With Spasm Of The Chial Tubes. When A Paroxysm Of Asthma Is Present, Skerritt Gives 5 Grains Of The Citrate Of Caffeine Every Four Hours Until Relief Follows. When The Attacks Come On Regularly In The Early Morning, ...
Bronchiectasis
Bronchiectasis. Definition.—a. More Or Less Uniform Dilatation Of The Bronchial Tubes, Of One Or Both Lungs, Which May Be Localized Or Extend To The Finer Ramifications. Varieties. — The Dilatation May Be Cylindrical, Involving The Medium-sized Tubes And, Less Frequently, The Smaller Bronchi And Bronchioles, Or Saccular, The Caliber Of ...
Bronchitis
Bronchitis. Definition. — Au Inflammation Of The Mucous Membrane Of The Bronchi, Usu Ally Including The Trachea. It Occurs As A Primary Affection Or As A Feature Of Many General Diseases, Especially The Exanthemata. Varieties.—bronchitis May Be Sub Divided Into Four Distinct Forms: The Acute, In Which The Inflammatory Process ...