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1.
Rev. bras. ciênc. vet ; 26(4): 118-127, out./dez. 2019. il.
Article in Portuguese | LILACS, VETINDEX | ID: biblio-1379581

ABSTRACT

O lobo-guará Chrysocyon brachyurus Illiger, 1815, é o maior canídeo da América do Sul, pesa cerca de 25 kg quando adulto e está ameaçado de extinção. Descrições anatômicas contribuem para a complementação das informações sobre espécies silvestres e para implicações conservacionistas, clínicas e cirúrgicas. Objetivou-se descrever os ossos e os músculos do antebraço e mão do lobo-guará. A preparação das peças foi feita a partir dos métodos usuais de dissecação, em animais preservados em solução de formol a 10%. Os espécimes pertencem ao acervo didático do Laboratório de Ensino e Pesquisa em Animais Silvestres da UFU e são provenientes de indivíduos atropelados. Os ossos descritos foram: rádio, ulna, ossos cárpico acessório, cárpico ulnar e cárpico intermédio; ossos cárpicos I, II, III e IV; ossos metacárpicos I, II, III, IV, V; falanges proximais, falanges médias e falanges distais do primeiro ao quinto dedo. Os músculos observados foram: extensor radial do carpo; pronador redondo; braquiorradial; extensor comum dos dedos; extensor ulnar do carpo; extensor lateral dos dedos;supinador; abdutor longo do dedo I; flexor radial do carpo; flexor profundo dos dedos; flexor superficial dos dedos; flexor ulnar do carpo; pronador quadrado; interflexor; lumbricais; abdutor curto dos dedos I e II e flexor curto do dedo I.


The maned wolf Chrysocyon brachyurus (Illiger, 1815) is the largest canid in South America, weighs about 25 kg as an adult and is threatened of extinction. Anatomical descriptions contribute to the complementation of information on wild species and for conservation, clinical and surgical implications. The purpose of this study was to describe the bones and muscles of the forearm and hand of the maned wolf. The methodology was through the usual dissecting methods in animals preserved in 10% formalin solution. The animals belong to the didactic collection of the Laboratory of Teaching and Research in Wild Animals of the UFU and come from run over. The bones evaluated were: radius, ulna, carpal accessory, carpi ulnar and carpi intermedium; carpal bones I, II, III and IV; metacarpal bones I, II, III, IV, V; proximal phalanges, middle phalanges and distal phalanges from first to fifth finger. The muscles observed were: radial extensor carpal; pronator round; brachioradial; common extensor of fingers; ulnar carpal extensor; lateral extensor of the fingers; supinator; abductor long finger I; flexor carpi radialis; flexor deep fingers; superficial flexor of the fingers; ulnar flexor of the carpus; square pronator; interflexor; lumbrils; short abductor of fingers I and II and short flexor of finger I.


Subject(s)
Animals , Carpal Bones/anatomy & histology , Wolves/anatomy & histology , Dissection/veterinary , Arm Bones/anatomy & histology , Hand Bones/anatomy & histology , Forearm/anatomy & histology , Anatomy, Veterinary , Animals, Wild/anatomy & histology , Muscles/anatomy & histology , Canidae
2.
Int. j. morphol ; 28(4): 1081-1086, dic. 2010. ilus
Article in English | LILACS | ID: lil-582892

ABSTRACT

Prediction of stature from incomplete and decomposing skeletal remains is vital in establishing the identity of an unknown individual. It has been stated that a variety of factors such as race, gender and nutrition play an important role in determining the height of an individual. Estimation of stature from measurements of various long bones has been achieved with varying degree of accuracy. Those studies resulted in establishing different formulae for the estimation of stature for the respective populations. However, evidence shows that there is a great void in such norms for Sri Lankans. Hence, this study was designed to investigate the relationship and to propose a gender and age specific linear regression models between the ulna length and height of an individual. A total of 258 subjects with an age span of 20-23 years were included in the study. The ulna length was measured using a digital sliding caliper capable of measuring to the nearest 0.01 mm. The height of the individual was measured standing erect, in anatomical position using a standing height measuring instrument. The findings of the study indicated significant differences of the ulna length between the genders. A positive correlation between height and ulna length was observed in both sexes and it was statistically significant. Regression equations for stature estimation were formulated using the ulna lengths for both males and females. The ulna length provides an accurate and reliable means in estimating the height of an individual. The regression formulae proposed in this study will be useful for clinicians, anatomists, archeologists, anthropologists and forensic scientists when such evidence provides the investigator the only opportunity to gauge that aspect of an individual's physical description.


La predicción de la estatura a través de restos de esqueletos incompletos o en descomposición es de vital importancia para determinar la identidad de un individuo desconocido. Se ha dicho que la variedad de factores como raza, sexo y la nutrición juegan un papel importante en la determinación de la altura de un individuo. La estimación de la estatura a partir de mediciones de varios huesos largos se ha logrado con diversos grados de precisión. Los estudios han resultado en el establecimiento de fórmulas diferentes para la estimación de la estatura de las poblaciones específicas. Sin embargo, la evidencia muestra que existe un gran vacío en las normas para ciudadanos de Sri Lanka. Por lo tanto, este estudio fue diseñado para investigar la relación y proponer modelos de regresión lineal específicos en relación al sexo y la edad, entre la longitud de la ulna y la altura de un individuo. Un total de 258 sujetos con un rango de edad de 20-23 años se incluyeron en el estudio. La longitud ulnar se midió con un caliper digital deslizante, precisión de 0,01 mm. La altura del individuo se midió de pie, en posición anatómica con un instrumento de medición. Los resultados del estudio indicaron diferencias significativas de la longitud de la ulna entre los géneros. Se observó una correlación positiva entre la altura y la longitud ulnar en ambos sexos, siendo estadísticamente significativa. Las ecuaciones de regresión para la estimación de la estatura se calcularon usando las longitudes de la ulna tanto en hombres como en mujeres. La longitud de la ulna es un medio preciso y fiable en la estimación de la altura de un individuo. Las fórmulas de regresión propuestas en este estudio serán útil para los médicos, anatomistas, arqueólogos, antropólogos y científicos forenses cuando la evidencia de ese tipo permita al investigador evaluar este aspecto de la descripción física de un individuo.


Subject(s)
Humans , Male , Adult , Female , Body Height , Ulna/anatomy & histology , Forearm , Arm Bones/anatomy & histology , Linear Models , Sri Lanka
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