A treatise on the nervous diseases of children : for physicians and students.

  • Sachs, Bernard, 1858-1944.
Date:
1895
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on the nervous diseases of children : for physicians and students. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    Muscles of the Eyes and Face.—Continued. Diseases in Name of Normal Symptoms of Defi- Innervated Represented which Muscle Muscle. Function. cient Action. by in is commonly Involved. Rectus ex- Moves eye out- Outward move- The sixth As before, and ternus. ward. ment impaired; nerve (ab- in disease of head turned in di- ducens). the pons. rection of para- lyzed muscle. Levator Raises upper Ptosis ; eye closed; The third Peduncle As s o c i a t e d palpebrae eyelid. may be opened a nerve. and cor- wi th other superioris little by frontalis pora quad- third nerve muscle. rigemina. diseases; often congenital. Orbicular- Closes eyelids. Eyes cannot be The seventh Pons Peripheral fa- is palpe- closed (lagoph- nerve. cial neuritis ; brarum. thalmos). • affections at base of brain (meningi t is , tumor, and the like) ; in some dystro- phies. Fronta lis Raises eye- Imperfect raising As above. As above. As above. and cor- brows ; fold- of eyebrows ; no reg a t o r ing of skin of frowning ; lines of supercilii forehead, as in frowning. forehead disap- pear. Orbicula- Move lips and Face distorted and The seventh Cerebral apo- ris oris, cheeks, as in pulled toward nerve. pl e xi es (es- b u c c i n- speaking,kiss- healthy side ; ina- cape of upper ator, and ing, showing bility to pout lips branches of other of teeth, and or to whistle; drib- fa c i a 1) ; pe- muscl e s the like. bling of saliva ripheral facial of face. from paralyzed side ; flapping of cheek with each expiration, owing to paralysis of buccinator; d i s- app earanceof nasolabial fold. palsy (often due to expos- u re ); in all lesions of pons ; in dys- trophies. Masseter , Masseter, tem- Mastication imper- The fifth Pons Rarely affect- tempo r- poral, and in- fect ; if in spasm, nerve. ed in children al, and ternal ptery- jaws cannot be except in tet- ptery- goid elevate opened; jaw anus ; in facial goids. lower jaw ; moved toward hemiatrophy; external pter- paralyzed side by in lesions ygoid draws action of ptery- of pons. jaw forward ; goids. the two ptery- goid muscles of one side acting togeth- er move teeth toward oppo- site side. Mydriasis can be caused by paralysis of sphincter iridis (third nerve), or by spasm of the dilator muscles (mydriasis spastica). Atropin has a simi- lar effect by paralyzing the sphincter, and contracting the dilator.