Health Guide – Page 2

Cataracts Figure 3

197 Karen

June 10, 2004 at 17:10 (last edited July 6, 2020 at 14:16)

Figure 3: Cataract in 20-month-old rat Case history and […]

Cataracts Figure 4

306 Karen

March 25, 2012 at 11:57 (last edited July 20, 2020 at 16:49)

Figure 4: Cataracts in aging male rat (Jerry). Case […]

Chronic Progressive Nephropathy

273 Karen

October 29, 2009 at 12:22 (last edited August 12, 2024 at 11:06)

Related Diagnoses Chronic Progressive Nephropathy (CPN) Progressive Glomerulonephrosis (PGN) […]

Chronic Progressive Nephropathy Figure 1

282 Karen

April 7, 2010 at 14:49 (last edited July 27, 2020 at 14:29)

Figure 1: Glomerulonephritis in 20-month-old male rat (Martin). Case […]

Clinical Signs / Symptoms Guide

61 Karen

June 26, 2003 at 12:29 (last edited October 9, 2020 at 15:24)

Anemia Kidney/Renal disease Chronic disease (e.g., lengthy course of […]

Coloboma

288 Karen

October 30, 2010 at 14:29 (last edited October 24, 2023 at 12:42)

Definition A Greek word meaning “curtailed.” It is used […]

Coloboma Figure 1

289 Karen

January 10, 2011 at 15:26 (last edited July 20, 2020 at 16:56)

Figure 1: Coloboma of the right iris (unilateral) in […]

Coloboma Figure 2

298 Karen

February 14, 2011 at 14:04 (last edited July 20, 2020 at 16:57)

Figure 2: Suspected coloboma of the iris (bilateral) in […]

Colorectal Polyps

212 Karen

June 17, 2005 at 15:08 (last edited January 24, 2024 at 09:55)

Definition A tissue mass or growth that projects (may […]

Colorectal Polyps Figure 1

213 Karen

June 17, 2005 at 15:14 (last edited July 20, 2020 at 11:18)

Figure 1: Rectal polyp and suspect bacterial orchitis in […]

Congenital / Hereditary Alopecia

91 Karen

June 28, 2003 at 10:21 (last edited April 9, 2024 at 10:59)

Definition Congenital Alopecia/Hypotrichosis meaning the absence of hair or […]

Congenital / Hereditary Alopecia Figure 1

107 Karen

June 29, 2003 at 12:54 (last edited July 21, 2020 at 15:23)

Figure 1: Hairless rat & mock hairless photos Note: […]

Congenital / Hereditary Alopecia Figure 2

108 Karen

June 29, 2003 at 13:11 (last edited May 31, 2020 at 06:56)

Figure 2: Basic types of genetic alopecia Interesting fact: […]

Congenital / Hereditary Alopecia Figure 3

109 Karen

June 29, 2003 at 13:12 (last edited July 1, 2015 at 00:00)

Fig. 3: Hairless rat care Genetic alopecia can come […]

Congestive Heart Failure

87 Karen

June 28, 2003 at 10:01 (last edited October 24, 2023 at 13:11)

Definition A condition where the heart fails to adequately […]

Conjunctivitis

86 Karen

June 28, 2003 at 10:00 (last edited October 24, 2023 at 12:46)

Definition Inflammation or infection surrounding the eyes. Clinical Signs […]

Consultants

175 Kristin

December 12, 2003 at 14:29 (last edited November 21, 2020 at 15:03)

We wish to thank the following consultants for taking […]

Contributors

46 Karen

June 20, 2003 at 15:49 (last edited November 19, 2022 at 04:19)

I want to take a moment here and express […]

Contusions, Strains, and Sprains

105 Karen

June 29, 2003 at 10:28 (last edited August 12, 2024 at 10:35)

Definition Contusion: An blunt force injury occurring to soft tissue. […]

Contusions, Strains, and Sprains Figure 1

106 Karen

June 29, 2003 at 12:17 (last edited July 25, 2020 at 14:37)

Figure 1: Injury and hematoma in a 6-week-old male […]

Corneal Abrasion

243 Karen

July 15, 2007 at 09:35 (last edited October 24, 2023 at 12:31)

Definition The scraping away or denuding of the corneal […]

Corneal Abrasion Figure 1

244 Karen

July 23, 2007 at 11:42 (last edited July 21, 2020 at 09:43)

Figure 1: Corneal abrasion / perforation in male rat […]

Corneal Ulcer

291 Karen

January 24, 2011 at 14:17 (last edited August 2, 2025 at 12:20)

Definition A local necrosis of the corneal tissue, the […]

Corneal Ulcer Figure 1

292 Karen

January 24, 2011 at 17:38 (last edited July 12, 2020 at 10:18)

Figure 1: Corneal ulcer as a result of injury […]

Cryptorchidism

222 Karen

August 27, 2005 at 16:38 (last edited August 12, 2024 at 10:44)

Definition Derived from the Greek words crypto- (meaning “hidden”) […]

Cryptorchidism Figure 1

223 Karen

August 27, 2005 at 16:41 (last edited July 25, 2020 at 15:55)

Figure 1: Cryptorchidism in a 6-week-old male rat. Case […]

Cysts

90 Karen

June 28, 2003 at 10:07 (last edited August 12, 2024 at 10:45)

Definition A sac having a definite wall, distinct from […]

Cysts Figure 1

118 Karen

June 29, 2003 at 13:29 (last edited July 13, 2020 at 13:35)

Figure 1: Uterine cysts Case history and photos History […]

Cysts Figure 2

178 Karen

December 28, 2003 at 17:27 (last edited July 21, 2020 at 10:45)

Figure 2: Sebaceous cyst in male rat (Schnapps). Case […]

Cysts Figure 3

885 Karen

August 29, 2018 at 15:32 (last edited July 21, 2020 at 10:46)

Figure 3: Massive, follicular/retention ovarian cyst, and mammary tumors […]

Degenerative Osteoarthritis

152 Karen

August 5, 2003 at 17:11 (last edited August 12, 2024 at 10:38)

Definition A disorder involving the progressive deterioration of the […]

Degenerative Osteoarthritis Figure 1

153 Karen

August 5, 2003 at 17:49 (last edited July 20, 2020 at 09:31)

Figure 1: Degenerative osteoarthritis of the lumbar spine in […]

Degloving Injury

127 Karen

June 30, 2003 at 10:30 (last edited August 12, 2024 at 11:17)

Definition Minimal to extensive loss of skin involving variable […]

Degloving Injury Figure 1

148 Bella

July 14, 2003 at 15:16 (last edited July 27, 2020 at 15:26)

Figure 1: Tail degloving in female rat. Case history […]

Degloving Injury Figure 2

149 Karen

July 15, 2003 at 11:07 (last edited July 27, 2020 at 15:33)

Figure 2: Degloved tail in a female Northeastern Wood […]

Degloving Injury Figure 3

258 Karen

July 26, 2008 at 20:02 (last edited July 27, 2020 at 16:04)

Figure 3: Paw degloving and amputation in a 16-month-old […]

Degloving Injury Figure 4

327 Karen

July 6, 2013 at 13:17 (last edited July 27, 2020 at 15:52)

Figure 4: Tail degloving injury in 23-month-old female rat […]

Dermatitis / Eczema

101 Karen

June 29, 2003 at 10:08 (last edited April 9, 2024 at 11:01)

Definition Dermatitis, a term also used when referring to […]

Dermatitis Figure 1

316 Karen

September 27, 2012 at 18:22 (last edited July 21, 2020 at 15:29)

Figure 1: Dermatitis (origin unknown) with scabbing of tails […]

Dermatophytosis

103 Karen

June 29, 2003 at 10:19 (last edited April 9, 2024 at 11:05)

Definition An infection of keratinized tissue as in skin, […]

Dermatophytosis Figure 1

200 Karen

August 5, 2004 at 10:14 (last edited July 21, 2020 at 15:33)

Figure 1: Ringworm in male rat (Petey). Case history […]

Dislocation

5968 Karen

February 23, 2021 at 13:15 (last edited August 12, 2024 at 10:39)

Definition A dislocation is displacement of a bone from […]

Dislocation Figure 1

5983 Karen

February 27, 2021 at 10:17

Figure 1: Amputation in 1-year-old female rat (Peaches) Case […]

Ectoparasites

104 Karen

June 29, 2003 at 10:20 (last edited May 18, 2024 at 06:32)

Definition An organism that lives on the outer surface […]

Ectoparasites Figure 1

110 Karen

June 29, 2003 at 13:15 (last edited July 22, 2020 at 14:11)

Figure 1: Mite infestation Case history and photo History […]

Ectoparasites Figure 2

111 Karen

June 29, 2003 at 13:15 (last edited July 22, 2020 at 14:16)

Figure 2: Sarcoptes mitesCase history and photos of male […]

Ectoparasites Figure 3

112 Karen

June 29, 2003 at 13:16 (last edited July 22, 2020 at 14:18)

Fig. 3: Lice in 3 male rats (Charlemagne, Kylian […]

Ectoparasites Figure 4

113 Karen

June 29, 2003 at 13:17 (last edited July 16, 2020 at 15:46)

Figure 4: Ectoparasite slides and description courtesy of IDEXX-RADIL […]

Ectoparasites Figure 5

319 Karen

October 30, 2012 at 16:32 (last edited July 22, 2020 at 14:20)

Figure 5: Demodex Mites in 26-month-old female rat (Inca). […]

Endoparasites

43 Karen

June 17, 2003 at 13:20 (last edited January 24, 2024 at 09:35)

Definition Any parasite that lives in and derives nutrition […]

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