Oğlaklarda Metakarpus ve Falanksların Epifiz Plaklarının Kapanma Sürelerinin Radyografi ile Belirlenmesi
Bu
çalışmada; tiftik keçisi oğlaklarında metakarpus ile 1 ve 2. falanksların
epifiz plaklarının kapanma sürelerinin radyografiyle tespiti, aylara göre
ilgili kemiklerdeki uzamalar ve cinsiyetin kapanma üzerine etkisinin
belirlenmesi amaçlandı. Çalışma 15 erkek 15 dişi olmak üzere toplam 30 oğlakta
gerçekleştirildi. Oğlakların ilgili kemiklerindeki epifiz plaklarının kapanması
tamamlanıncaya kadar (24 ay), her ay D/P pozisyonda radyografileri çekildi.
Radyografileri alınan kemiklerin uzunlukları negatoskop üzerinde ölçülerek
kaydedildi. Radyogramlar üzerinden yapılan kemik uzunluğu ölçümlerinde; 12.
ayda 1. falanks dişilerde ortalama 36.05 ± 1.57 mm, erkeklerde ortalama 36.40
±1.67 mm, 2. falanks dişilerde ortalama 24.01 ± 1.83 mm erkeklerde ortalama
24.16 ± 1.32 mm olarak belirlendi. Metakarpus uzunluğu, dişilerde 23. ayda
ortalama 104.00 ± 3.56 mm, erkeklerde 24. ayda ortalama 104.85 ± 2.75 mm olarak
saptandı. Dişi ve erkek oğlaklarda ilk 5 ay boyunca metakarpusun distal epifiz
plakları açıkken 6 - 8. aylar arasında kapanmaya başladılar. Dişilerde distal
epifiz plaklarının tamamen kapanması 20 - 23. aylar arasında tamamlanırken,
erkeklerde ise 21 - 24. aylar arasında gerçekleşti. Her iki cinsiyette de 1 ve
2. falanksın proksimal epifiz plakları 5 - 6. aylar arasında kapanmaya
başlarken, tamamen kapanmaları ise 10 -
12. aylar arasında gerçekleşti. Sonuç
olarak, tiftik keçilerinde metakarpusun distalden, 1 ve 2. falanksların ise
proksimalden uzunlamasına büyüdüğü, cinsiyetler arasında her üç kemik uzunluğu
için de önemli bir fark olmadığı, metakarpusun distal epifiz plağı dişilerde 20
- 23., erkeklerde ise 21 - 24. aylar, 1 ve 2. falanksın proksimal epifiz
plaklarının ise her iki cinsiyette de 10
- 12. aylar arasında kapandığı saptandı.
Radiographic Assessment of Epiphyseal Plate Closure Time of Metacarpus and Phalanges in Goat Kids
In this study, we aimed to assess epiphyseal plate closure time of
metacarpus, first and second phalanges, growing amount in the related bones and
effect of gender on epiphyseal plate closure time. The study was carried out on
30 yeanlings, 15 males and 15 females. Each month DP radiographs were taken
until the epiphyseal plate closures in related bones were completed (24
months). Bone radiographs were measured on negatoscope and values were
recorded. At 12th month, average lengths of first phalanges were measured
as 36.05 ± 1.57 mm in females and 36.40 ± 1.67 mm in males; the average length
of second phalanges was measured as 24.01 ± 1.83 mm and 24.16 ± 1.32 mm. The
average metacarpus lengths were measured as 104.00 ± 3.56 mm in females at the
23rd month and 104.85 ± 2.75 mm in males at the 24th
month. Epiphyseal plates were open during first 5 months in both males and
females; between 5th and 6th months they began to close.
Complete closure of the distal epiphyseal plates in females was completed
between 20th and 23rd months, and between 21st
and 24th months in males. In both genders, the proximal epiphyseal
plates of the 1st and 2nd phalanges began to close
between 5th and 6th months, and the complete closure
occurred between 10th and 12th months. As a result, some
determinations were obtained: metacarpal growth occurred distally;
nevertheless, growth of 1st and 2nd phalanges occurred
from proximally; gender has no effect on the bones; the distal epiphyseal
plates of metacarpus were closed between 20th and 23rd
months in the females and 21-24th months in males; the proximal
epiphyseal plates of the first and second phalanges were closed between the 10th
and 12th months in both genders.
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