Veterinary Anatomy Commons^™

Variation In Air Sac Morphology And Postcranial Skeletal Pneumatization Patterns In The African Grey Parrot, Adam B. Lawson, Aracely Martinez, Brandon P. Hedrick, M. Scott Echols, Emma R. Schachner

School of Graduate Studies Faculty Publications

The anatomy of the avian lower respiratory system includes a complex interaction between air-filled pulmonary tissues, pulmonary air sacs, and much of the postcranial skeleton. Hypotheses related to the function and phylogenetic provenance of these respiratory structures have been posed based on extensive interspecific descriptions for an array of taxa. By contrast, intraspecific descriptions of anatomical variation for these features are much more limited, particularly for skeletal pneumatization, and are essential to establish a baseline for evaluating interspecific variation. To address this issue, we collected micro-computed tomography (μCT) scans of live and deceased African grey parrots (Psittacus erithacus) to assess …

Comparison Between Surgical And Non-Surgical Treatments Of Concomitant Cranial Cruciate Ligament Rupture And Medial Patellar Luxation In Small-Breed Dogs, Ekkapol Akaraphutiporn, Chalika Wangdee, Irin Kwananocha

The Thai Journal of Veterinary Medicine

Cranial cruciate ligament rupture (CrCLR) and medial patellar luxation (MPL) are common problems that cause hindlimb dysfunction, lameness and pain in dogs. Although surgical intervention is recommended for these conditions, it may not be suitable for an individual with some underlying diseases. The objective of the present study was to compare the outcomes between surgical and non-surgical treatments for concomitant CrCLR and MPL in small-breed dogs. Seven stifles from five small-breed dogs with concomitant CrCLR and MPL were enrolled and divided into two groups. Four limbs (three dogs) in Group 1 were treated conservatively, and three limbs (two dogs) in …

Morphological And Morphometric Variations Of The Tympanic Bulla Between Domestic Shorthair And Brachycephalic Cats Utilizing Computed Tomography, Naparee Srisowanna, Damri Darawiroj, Nan Choisunirachon, Chutimon Thanaboonnipat, Sirinun Pisamai Tabtieang

The Thai Journal of Veterinary Medicine

Tympanic morphology of the dogs was reported to be varied due to the characteristics of the skull types. The small tympanic bulla is normally seen in brachycephalic dogs. However, this variation in narrowed-skull shaped cats has not been unveiled yet. The objective of this study was to describe the tympanic morphology of cats between brachycephalic and domestic shorthair (DSH) cats. Computer tomography (CT)-skull images of 15 domestic shorthair cats and 11 brachycephalic cats were evaluated for tympanic dimension on transverse and dorsal planes and the tympanic bone thickness. All parameters were compared between both groups. The results revealed that all …

A Preliminary Study Of Tracheal Morphology In Mixed-Breed Dog Cadavers: Anatomical Variation Of Tracheal Cartilaginous Rings, Naparee Srisowanna, Sirin Theerawatanasirikul, Sukumal Prukudom, Niyada Lansubsakul, Montri Pattarapanawan, Maneenooch Khiao-In

The Thai Journal of Veterinary Medicine

Anatomical abnormalities of the trachea leading to respiratory distress. Few reports describe the morphological characterization of the dog’s trachea, particularly in the tracheal cartilaginous rings. In this study, twelve tracheas from mixed-breed dog cadavers were obtained to investigate their features across three anatomical tracheal regions: cervical, thoracic inlet, and intrathoracic trachea. The average length of the trachea was 18.92 ± 0.67 cm. Each trachea contained a different number of tracheal rings, ranging from 32 to 41 rings (37.42 ± 0.81 rings). A significant reduction in both outer transverse diameter (OTD) and outer vertical diameter (OVD) was observed from the cervical …

Quantitative Evaluation Of Different Fixatives For Masson Trichrome Staining In Canine Intestinal Tissue: An Image Analysis-Based Comparative Study, Siriluck Juntausa, Kongkiat Srisuwatanasagul, Kittipot Kongsonthana, Punnarat Vibulchan, Sayamon Srisuwatanasagul

The Thai Journal of Veterinary Medicine

Neutral buffer formalin (NBF) has been widely used as a fixative for histological staining for ages. However, for some special staining, such as Masson trichrome staining, it has been proposed that the suitable fixative was Bouin’s solution. The purpose of the present study was to compare the different fixatives and post-fixative protocols on the quality of Masson trichrome staining. The canine intestines (n = 10), which were the duodenum and colon, were used as the candidate organs since they comprised of various tissue components. The fixatives and staining protocols were divided into four groups, which were Groups 1 and 2; …

Normal Thymus Evaluation Using Radiographs And Computed Tomographic Images In Young And Adult Dogs, Yoenhee Park, Sang-Kwon Lee, Sooyoung Choi, Hojung Choi, Youngwon Lee, Kija Lee

The Thai Journal of Veterinary Medicine

The thymus generally presents as a sail-shaped soft-tissue opacity on thoracic radiographs in young, pre-pubescent dogs. After puberty, lymphatic tissue is replaced by adipose tissue and can usually no longer be identified on radiographs; however, thymic remnants have often been observed in adult dogs. The objective of this retrospective descriptive study was to investigate the incidence of thymic remnants using thoracic radiographs and to analyze the incidence in dogs by age, sex and breed. We analyzed the data from 1,464 dogs that underwent both thoracic ventrodorsal and right lateral radiography, of which 40 underwent both radiography and computed tomography (CT). …

Comparison Of Different Pinning Techniques For 3d-Printed Radius With Salter-Harris Type I Fracture, Tea-Hyung Kim, Hwi-Yool Kim

The Thai Journal of Veterinary Medicine

The purpose of the present study was to compare different pinning techniques for distal radius with Salter-Harris type I fracture. Computed Tomography (CT) images of a distal antebrachium of the 6.5 kg, growing, 6-month-old intact male mongrel dog were 3D-printed with Polycarbonate (PC) material. Twenty-one synthetic bones were classified into three groups. Cross pinning, Parallel pinning, and HK2 pinning techniques were applied to each group. A compressive shear test was applied to each group, and the results at 1 mm, 2 mm, and 3 mm displacement and the load at failure were analyzed through statistical software. It was found that …

Sudden Acquired Retinal Degeneration Syndrome In Canine Patients, Morgan Powell

Honors College Theses

Sudden Acquired Retinal Degeneration Syndrome (SARDS) is a perplexing and debilitating ocular condition that affects canine patients primarily in the form of the sudden onset of total vision loss. Veterinary literature will be reviewed to discuss the basic anatomy of the canine eye and retina, as well as to investigate various diagnostic techniques to evaluate ophthalmic function and hypotheses of the pathogenesis of SARDS. The complexity of this disease and the absence of research leads to veterinarians and clients grappling with unanswered questions. This research surveys veterinarians to gain a perspective of the rareness of the disease, the most frequent …

Anatomical And Histological Features Of The Brain Of Adult Common Carp (Cyprinus Carpio), Sayed Shaban, Galal Youssef, Safwat Ebada, Mahmoud B. Shoeib

Mansoura Veterinary Medical Journal

Background: investigated the anatomical features and histological structures of the brain of adult common carp. In addition, these features were compared with those of other types of fish.

Methods: Adult fish (8- 18 M) were collected, their gross anatomical features were inspected; and small specimens from different brain parts were fixed, sectioned, stained, and histologically examined.

Results: In the common carp, the olfactory bulb was round, somewhat tiny, and connected to the telencephalon by a very long, thin olfactory tract. The hemispheres of the telencephalon were located rostrally. Only one median ventral telencephalic ventricle was visible. The torus longitudinalis and …