Verb (used without object) : His skin ulcerated after exposure to radioactive material.    From Dictionary.com. 

Verb (used with object) : Continued worry ulcerated his stomach.    From Dictionary.com. 

If untreated, the lesion may blister, ulcerate and eventually result in dead tissue.    From Wordnik.com.  [Spider Bites] Reference

The nodules grow larger and larger; they ulcerate and from them comes a foul discharge.    From Wordnik.com.  [Notes on Mark: Leprosy] Reference

These are very prone to become inflamed and to ulcerate during the course of typhoid fever.    From Wordnik.com.  [A Practical Physiology] Reference

In the simple form of this disease, the throat, though often more or less sore, does not ulcerate.    From Wordnik.com.  [An Epitome of the Homeopathic Healing Art Containing the New Discoveries and Improvements to the Present Time] Reference

The gums become swollen, tender, spongy, and bleed easily, and later they may ulcerate and the teeth loosen and drop out.    From Wordnik.com.  [The Home Medical Library, Volume II (of VI)] Reference

Scars, extensive, deep, or adherent, that interfere with muscular movement or that show a tendency to break down and ulcerate.    From Wordnik.com.  [EXECUTIVE ORDER 10001] Reference

Their nipples became sore in the usual way, with bluish pustules; but as remedies were early applied, they did not ulcerate to any extent.    From Wordnik.com.  [The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)] Reference

When the chilblains vesicate, ulcerate or slough, it is better to omit the aconite and apply the other components of the liniment without it.    From Wordnik.com.  [Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889] Reference

Sometimes the impoverished blood induces a disease resembling scurvy, the ends of the fingers ulcerate, and the face is disfigured by blotches.    From Wordnik.com.  [Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics] Reference

They all have ridges when they come in, and unless they're addressed, they become very sharp and they actually chew and ulcerate the insides of their mouth.    From Wordnik.com.  [A Dentist Who Goes Straight To The Horse's Mouth] Reference

For the things, silly or not, that people remember are the things they will search for PilL I will, then, ulcerate their half-dead desires with vinegar-gnat memory.    From Wordnik.com.  [The Machineries of Joy]

The vesicles often develop into bullæ, and sometimes ulcerate.    From Wordnik.com.  [The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand] Reference

My bladder became very painful and commenced to ulcerate and fill up.    From Wordnik.com.  [The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand] Reference

The throat, mouth, and tongue now become tender, and occasionally ulcerate.    From Wordnik.com.  [The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand] Reference

'It's not going to heal the unhealable wound, it's only going to ulcerate it.    From Wordnik.com.  [Home | Mail Online] Reference

It forms an indolent swelling, which tends to break down slowly and to ulcerate.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

They may become itchy or painful, and the lesion may start to bleed or ulcerate.    From Wordnik.com.  [ReadABlog.com New Blogs and RSS Feeds] Reference

The affected glands ulcerate, look blue and indolent, and manifest no disposition to heal.    From Wordnik.com.  [The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand] Reference

The protruding tongue itself may ulcerate, possibly bleed, and there is constant dribbling of saliva.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

Not having any shoes, and being exposed to the weather, I took a heavy cold which caused my knee to ulcerate.    From Wordnik.com.  [Autobiography of James L. Smith, Including, Also, Reminiscences of Slave Life, Recollections of the War, Education of Freedmen, Causes of the Exodus, Etc.] Reference

Hæmorrhage is liable to occur when exposed portions of the tumour ulcerate -- for example in the nasal fossæ.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

The skin of the affected part may become brawny and slightly scaly, and not infrequently may break down and ulcerate.    From Wordnik.com.  [Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine] Reference

The appearance of any tendency to crusting, to break down or ulcerate is significant of epitheliomatous degeneration.    From Wordnik.com.  [Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine] Reference

The pupil is usually dilated, the cornea becomes opaque and may ulcerate, and there is photophobia and sometimes diplopia.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

No. Gummata grow more rapidly, are usually painful to the touch, are not freely movable, and tend to break down and ulcerate.    From Wordnik.com.  [Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine] Reference

The lip is protruded, the mucous membrane everted, and, when the lower lip is implicated, it becomes pendulous and is liable to ulcerate.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

Vesicles form on the mucous membrane, and after bursting, ulcerate, and a mixed infection with streptococci occurs, leading to diffuse œdema.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

The irritation of the discharge may ulcerate the lining mucous membrane of the nose, causing serpentine gutters with bottoms resembling those of the chancres themselves.    From Wordnik.com.  [Special Report on Diseases of the Horse] Reference

They show a tendency to ulcerate and fungate, giving rise to a fœtid discharge, and may be mistaken for epithelioma; they are also liable to become the seat of epithelioma.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

A dark violet colour, and if subjected to pressure or irritation may ulcerate and bleed.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

A rule the growths are smooth, firm and elastic, somewhat painful upon pressure, and exhibit a tendency to ulcerate.    From Wordnik.com.  [Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine] Reference

The hands and the feet also ulcerate.    From Wordnik.com.  [Notes on Mark: Leprosy] Reference

He'd be lucky if the burns didn't ulcerate.    From Wordnik.com.  [Ship Of Magic]

In his turn Pierre strove to show himself conciliatory in order that he might not further ulcerate that violent, grief-stricken soul: "Your.    From Wordnik.com.  [The Three Cities Trilogy: Rome, Volume 5] Reference

The bones may ulcerate and rot.    From Wordnik.com.  [The Eugenic Marriage, Vol 2 (of 4) A Personal Guide to the New Science of Better Living and Better Babies] Reference

They tend to break down and ulcerate.    From Wordnik.com.  [Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine] Reference

Which only ulcerate the heart the more.    From Wordnik.com.  [The Works of Lord Byron. Vol. 5 Poetry] Reference

To ulcerate my reputation.    From Wordnik.com.  [The Works of the English Poets.: With Prefaces, Biographical and Critical] Reference