36:
209:
152:
28:
64:
are fused with the synsacrum to a greater or lesser extent, according to species, forming an avian pelvis. This forms a more extensive rigid structure than the pelvis of a mammal, fulfilling requirements for flight, locomotion and respiration. Posterior to the synsacrum there are a few free caudal
59:
is extended by incorporation of additional fused or partially fused caudal or lumbar vertebrae. This structure can only be seen in birds. Some posterior thoracic vertebrae, the lumbar, sacral and a few anterior caudal vertebrae are fused to form a complex bone called synsacrum. The
250:
193:
243:
284:
236:
186:
69:
to which the long, stiff tail feathers are attached. The central section of the synsacrum is swollen to accommodate the
279:
269:
179:
99:"The Balance Hypothesis for the Avian Lumbosacral Organ and an Exploration of Its Morphological Variation"
274:
35:
118:
126:
110:
61:
220:
163:
131:
98:
73:, an organ whose function is as yet unclear but which may be associated with balance.
263:
70:
48:
77:
208:
159:
216:
151:
122:
66:
114:
52:
17:
27:
56:
97:
Stanchak, K E; French, C; Perkel, D J; Brunton, B W (2020-01-01).
76:
In terms of external morphology, the synsacrum corresponds to the
34:
26:
224:
167:
31:
This stylised bird skeleton highlights the synsacrum
244:
187:
8:
251:
237:
194:
180:
130:
89:
7:
205:
203:
148:
146:
109:(1). Oxford University Press (OUP).
65:vertebrae, the last of which is the
25:
39:Synsacrum of an unidentified bird
207:
150:
103:Integrative Organismal Biology
1:
223:. You can help Knowledge by
166:. You can help Knowledge by
47:is a skeletal structure of
301:
202:
145:
285:Vertebrate anatomy stubs
219:–related article is a
40:
32:
38:
30:
158:This article about
115:10.1093/iob/obaa024
217:vertebrate anatomy
41:
33:
280:Ornithology stubs
232:
231:
175:
174:
16:(Redirected from
292:
270:Dinosaur anatomy
253:
246:
239:
211:
204:
196:
189:
182:
154:
147:
137:
136:
134:
94:
62:innominate bones
21:
300:
299:
295:
294:
293:
291:
290:
289:
260:
259:
258:
257:
201:
200:
143:
141:
140:
96:
95:
91:
86:
55:, in which the
23:
22:
15:
12:
11:
5:
298:
296:
288:
287:
282:
277:
272:
262:
261:
256:
255:
248:
241:
233:
230:
229:
212:
199:
198:
191:
184:
176:
173:
172:
155:
139:
138:
88:
87:
85:
82:
24:
14:
13:
10:
9:
6:
4:
3:
2:
297:
286:
283:
281:
278:
276:
273:
271:
268:
267:
265:
254:
249:
247:
242:
240:
235:
234:
228:
226:
222:
218:
213:
210:
206:
197:
192:
190:
185:
183:
178:
177:
171:
169:
165:
161:
156:
153:
149:
144:
133:
128:
124:
120:
116:
112:
108:
104:
100:
93:
90:
83:
81:
79:
74:
72:
71:glycogen body
68:
63:
58:
54:
50:
46:
37:
29:
19:
275:Bird anatomy
225:expanding it
214:
168:expanding it
157:
142:
106:
102:
92:
75:
44:
42:
160:ornithology
264:Categories
84:References
51:and other
123:2517-4843
67:pygostyle
53:dinosaurs
45:synsacrum
18:Synsacral
132:7751001
129:
121:
57:sacrum
215:This
162:is a
49:birds
221:stub
164:stub
119:ISSN
78:rump
43:The
127:PMC
111:doi
266::
125:.
117:.
105:.
101:.
80:.
252:e
245:t
238:v
227:.
195:e
188:t
181:v
170:.
135:.
113::
107:2
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
